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authorRichard Purdie <rpurdie@rpsys.net>2007-02-10 18:07:48 -0500
committerRichard Purdie <rpurdie@rpsys.net>2007-02-20 04:26:53 -0500
commit599a52d12629394236d785615808845823875868 (patch)
tree4e2dfa3a25ce761be0ecc0490acabac553f77a67
parent321709c5994f952b78d567fd7083dbebbdc381b7 (diff)
backlight: Separate backlight properties from backlight ops pointers
Per device data such as brightness belongs to the indivdual device and should therefore be separate from the the backlight operation function pointers. This patch splits the two types of data and allows simplifcation of some code. Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
-rw-r--r--arch/powerpc/kernel/traps.c2
-rw-r--r--arch/powerpc/platforms/powermac/backlight.c8
-rw-r--r--drivers/acpi/asus_acpi.c6
-rw-r--r--drivers/acpi/ibm_acpi.c7
-rw-r--r--drivers/acpi/toshiba_acpi.c6
-rw-r--r--drivers/acpi/video.c35
-rw-r--r--drivers/macintosh/via-pmu-backlight.c23
-rw-r--r--drivers/misc/asus-laptop.c16
-rw-r--r--drivers/misc/msi-laptop.c9
-rw-r--r--drivers/usb/misc/appledisplay.c11
-rw-r--r--drivers/video/aty/aty128fb.c20
-rw-r--r--drivers/video/aty/atyfb_base.c18
-rw-r--r--drivers/video/aty/radeon_backlight.c18
-rw-r--r--drivers/video/backlight/backlight.c79
-rw-r--r--drivers/video/backlight/corgi_bl.c16
-rw-r--r--drivers/video/backlight/hp680_bl.c14
-rw-r--r--drivers/video/backlight/lcd.c67
-rw-r--r--drivers/video/backlight/locomolcd.c12
-rw-r--r--drivers/video/backlight/progear_bl.c16
-rw-r--r--drivers/video/chipsfb.c2
-rw-r--r--drivers/video/nvidia/nv_backlight.c18
-rw-r--r--drivers/video/riva/fbdev.c18
-rw-r--r--include/linux/backlight.h33
-rw-r--r--include/linux/lcd.h23
24 files changed, 223 insertions, 254 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 35ce07b6a5bc..17724fb2067f 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -107,7 +107,7 @@ int die(const char *str, struct pt_regs *regs, long err)
107 if (machine_is(powermac) && pmac_backlight) { 107 if (machine_is(powermac) && pmac_backlight) {
108 struct backlight_properties *props; 108 struct backlight_properties *props;
109 109
110 props = pmac_backlight->props; 110 props = &pmac_backlight->props;
111 props->brightness = props->max_brightness; 111 props->brightness = props->max_brightness;
112 props->power = FB_BLANK_UNBLANK; 112 props->power = FB_BLANK_UNBLANK;
113 backlight_update_status(pmac_backlight); 113 backlight_update_status(pmac_backlight);
diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c
index 1be358c1448a..de7440e62cc4 100644
--- a/arch/powerpc/platforms/powermac/backlight.c
+++ b/arch/powerpc/platforms/powermac/backlight.c
@@ -44,7 +44,7 @@ DEFINE_MUTEX(pmac_backlight_mutex);
44 44
45/* Main backlight storage 45/* Main backlight storage
46 * 46 *
47 * Backlight drivers in this variable are required to have the "props" 47 * Backlight drivers in this variable are required to have the "ops"
48 * attribute set and to have an update_status function. 48 * attribute set and to have an update_status function.
49 * 49 *
50 * We can only store one backlight here, but since Apple laptops have only one 50 * We can only store one backlight here, but since Apple laptops have only one
@@ -103,7 +103,7 @@ static void pmac_backlight_key_worker(struct work_struct *work)
103 struct backlight_properties *props; 103 struct backlight_properties *props;
104 int brightness; 104 int brightness;
105 105
106 props = pmac_backlight->props; 106 props = &pmac_backlight->props;
107 107
108 brightness = props->brightness + 108 brightness = props->brightness +
109 ((pmac_backlight_key_queued?-1:1) * 109 ((pmac_backlight_key_queued?-1:1) *
@@ -141,7 +141,7 @@ static int __pmac_backlight_set_legacy_brightness(int brightness)
141 if (pmac_backlight) { 141 if (pmac_backlight) {
142 struct backlight_properties *props; 142 struct backlight_properties *props;
143 143
144 props = pmac_backlight->props; 144 props = &pmac_backlight->props;
145 props->brightness = brightness * 145 props->brightness = brightness *
146 (props->max_brightness + 1) / 146 (props->max_brightness + 1) /
147 (OLD_BACKLIGHT_MAX + 1); 147 (OLD_BACKLIGHT_MAX + 1);
@@ -190,7 +190,7 @@ int pmac_backlight_get_legacy_brightness()
190 if (pmac_backlight) { 190 if (pmac_backlight) {
191 struct backlight_properties *props; 191 struct backlight_properties *props;
192 192
193 props = pmac_backlight->props; 193 props = &pmac_backlight->props;
194 194
195 result = props->brightness * 195 result = props->brightness *
196 (OLD_BACKLIGHT_MAX + 1) / 196 (OLD_BACKLIGHT_MAX + 1) /
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index 906c54f9ba50..b770deab968c 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -848,7 +848,7 @@ out:
848 848
849static int set_brightness_status(struct backlight_device *bd) 849static int set_brightness_status(struct backlight_device *bd)
850{ 850{
851 return set_brightness(bd->props->brightness); 851 return set_brightness(bd->props.brightness);
852} 852}
853 853
854static int 854static int
@@ -1352,10 +1352,9 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
1352 return 0; 1352 return 0;
1353} 1353}
1354 1354
1355static struct backlight_properties asus_backlight_data = { 1355static struct backlight_ops asus_backlight_data = {
1356 .get_brightness = read_brightness, 1356 .get_brightness = read_brightness,
1357 .update_status = set_brightness_status, 1357 .update_status = set_brightness_status,
1358 .max_brightness = 15,
1359}; 1358};
1360 1359
1361static void __exit asus_acpi_exit(void) 1360static void __exit asus_acpi_exit(void)
@@ -1409,6 +1408,7 @@ static int __init asus_acpi_init(void)
1409 asus_backlight_device = NULL; 1408 asus_backlight_device = NULL;
1410 asus_acpi_exit(); 1409 asus_acpi_exit();
1411 } 1410 }
1411 asus_backlight_device->props.max_brightness = 15;
1412 1412
1413 return 0; 1413 return 0;
1414} 1414}
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
index accf4f7da889..4cc534e36e81 100644
--- a/drivers/acpi/ibm_acpi.c
+++ b/drivers/acpi/ibm_acpi.c
@@ -1701,13 +1701,12 @@ static int brightness_write(char *buf)
1701 1701
1702static int brightness_update_status(struct backlight_device *bd) 1702static int brightness_update_status(struct backlight_device *bd)
1703{ 1703{
1704 return brightness_set(bd->props->brightness); 1704 return brightness_set(bd->props.brightness);
1705} 1705}
1706 1706
1707static struct backlight_properties ibm_backlight_data = { 1707static struct backlight_ops ibm_backlight_data = {
1708 .get_brightness = brightness_get, 1708 .get_brightness = brightness_get,
1709 .update_status = brightness_update_status, 1709 .update_status = brightness_update_status,
1710 .max_brightness = 7,
1711}; 1710};
1712 1711
1713static int brightness_init(void) 1712static int brightness_init(void)
@@ -1719,6 +1718,8 @@ static int brightness_init(void)
1719 return PTR_ERR(ibm_backlight_device); 1718 return PTR_ERR(ibm_backlight_device);
1720 } 1719 }
1721 1720
1721 ibm_backlight_device->props.max_brightness = 7;
1722
1722 return 0; 1723 return 0;
1723} 1724}
1724 1725
diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
index efc3669a84e8..3906d47b9783 100644
--- a/drivers/acpi/toshiba_acpi.c
+++ b/drivers/acpi/toshiba_acpi.c
@@ -315,7 +315,7 @@ static int set_lcd(int value)
315 315
316static int set_lcd_status(struct backlight_device *bd) 316static int set_lcd_status(struct backlight_device *bd)
317{ 317{
318 return set_lcd(bd->props->brightness); 318 return set_lcd(bd->props.brightness);
319} 319}
320 320
321static unsigned long write_lcd(const char *buffer, unsigned long count) 321static unsigned long write_lcd(const char *buffer, unsigned long count)
@@ -533,10 +533,9 @@ static acpi_status __exit remove_device(void)
533 return AE_OK; 533 return AE_OK;
534} 534}
535 535
536static struct backlight_properties toshiba_backlight_data = { 536static struct backlight_ops toshiba_backlight_data = {
537 .get_brightness = get_lcd, 537 .get_brightness = get_lcd,
538 .update_status = set_lcd_status, 538 .update_status = set_lcd_status,
539 .max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1,
540}; 539};
541 540
542static void __exit toshiba_acpi_exit(void) 541static void __exit toshiba_acpi_exit(void)
@@ -596,6 +595,7 @@ static int __init toshiba_acpi_init(void)
596 toshiba_backlight_device = NULL; 595 toshiba_backlight_device = NULL;
597 toshiba_acpi_exit(); 596 toshiba_acpi_exit();
598 } 597 }
598 toshiba_backlight_device->props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
599 599
600 return (ACPI_SUCCESS(status)) ? 0 : -ENODEV; 600 return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
601} 601}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 75e422bd926a..0771b434feb2 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -169,7 +169,6 @@ struct acpi_video_device {
169 struct acpi_device *dev; 169 struct acpi_device *dev;
170 struct acpi_video_device_brightness *brightness; 170 struct acpi_video_device_brightness *brightness;
171 struct backlight_device *backlight; 171 struct backlight_device *backlight;
172 struct backlight_properties *data;
173}; 172};
174 173
175/* bus */ 174/* bus */
@@ -286,13 +285,18 @@ static int acpi_video_get_brightness(struct backlight_device *bd)
286 285
287static int acpi_video_set_brightness(struct backlight_device *bd) 286static int acpi_video_set_brightness(struct backlight_device *bd)
288{ 287{
289 int request_level = bd->props->brightness; 288 int request_level = bd->props.brightness;
290 struct acpi_video_device *vd = 289 struct acpi_video_device *vd =
291 (struct acpi_video_device *)class_get_devdata(&bd->class_dev); 290 (struct acpi_video_device *)class_get_devdata(&bd->class_dev);
292 acpi_video_device_lcd_set_level(vd, request_level); 291 acpi_video_device_lcd_set_level(vd, request_level);
293 return 0; 292 return 0;
294} 293}
295 294
295static struct backlight_ops acpi_backlight_ops = {
296 .get_brightness = acpi_video_get_brightness,
297 .update_status = acpi_video_set_brightness,
298};
299
296/* -------------------------------------------------------------------------- 300/* --------------------------------------------------------------------------
297 Video Management 301 Video Management
298 -------------------------------------------------------------------------- */ 302 -------------------------------------------------------------------------- */
@@ -608,30 +612,18 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
608 unsigned long tmp; 612 unsigned long tmp;
609 static int count = 0; 613 static int count = 0;
610 char *name; 614 char *name;
611 struct backlight_properties *acpi_video_data;
612
613 name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); 615 name = kzalloc(MAX_NAME_LEN, GFP_KERNEL);
614 if (!name) 616 if (!name)
615 return; 617 return;
616 618
617 acpi_video_data = kzalloc(
618 sizeof(struct backlight_properties),
619 GFP_KERNEL);
620 if (!acpi_video_data){
621 kfree(name);
622 return;
623 }
624 acpi_video_data->get_brightness =
625 acpi_video_get_brightness;
626 acpi_video_data->update_status =
627 acpi_video_set_brightness;
628 sprintf(name, "acpi_video%d", count++); 619 sprintf(name, "acpi_video%d", count++);
629 device->data = acpi_video_data;
630 acpi_video_data->max_brightness = max_level;
631 acpi_video_device_lcd_get_level_current(device, &tmp); 620 acpi_video_device_lcd_get_level_current(device, &tmp);
632 acpi_video_data->brightness = (int)tmp;
633 device->backlight = backlight_device_register(name, 621 device->backlight = backlight_device_register(name,
634 NULL, device, acpi_video_data); 622 NULL, device, &acpi_backlight_ops);
623 device->backlight->props.max_brightness = max_level;
624 device->backlight->props.brightness = (int)tmp;
625 backlight_update_status(device->backlight);
626
635 kfree(name); 627 kfree(name);
636 } 628 }
637 return; 629 return;
@@ -1676,10 +1668,7 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
1676 status = acpi_remove_notify_handler(device->dev->handle, 1668 status = acpi_remove_notify_handler(device->dev->handle,
1677 ACPI_DEVICE_NOTIFY, 1669 ACPI_DEVICE_NOTIFY,
1678 acpi_video_device_notify); 1670 acpi_video_device_notify);
1679 if (device->backlight){ 1671 backlight_device_unregister(device->backlight);
1680 backlight_device_unregister(device->backlight);
1681 kfree(device->data);
1682 }
1683 return 0; 1672 return 0;
1684} 1673}
1685 1674
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index 9f9d03127978..7e27071746e4 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -15,7 +15,7 @@
15 15
16#define MAX_PMU_LEVEL 0xFF 16#define MAX_PMU_LEVEL 0xFF
17 17
18static struct backlight_properties pmu_backlight_data; 18static struct backlight_ops pmu_backlight_data;
19static DEFINE_SPINLOCK(pmu_backlight_lock); 19static DEFINE_SPINLOCK(pmu_backlight_lock);
20static int sleeping; 20static int sleeping;
21static u8 bl_curve[FB_BACKLIGHT_LEVELS]; 21static u8 bl_curve[FB_BACKLIGHT_LEVELS];
@@ -72,7 +72,7 @@ static int pmu_backlight_update_status(struct backlight_device *bd)
72{ 72{
73 struct adb_request req; 73 struct adb_request req;
74 unsigned long flags; 74 unsigned long flags;
75 int level = bd->props->brightness; 75 int level = bd->props.brightness;
76 76
77 spin_lock_irqsave(&pmu_backlight_lock, flags); 77 spin_lock_irqsave(&pmu_backlight_lock, flags);
78 78
@@ -80,8 +80,8 @@ static int pmu_backlight_update_status(struct backlight_device *bd)
80 if (sleeping) 80 if (sleeping)
81 goto out; 81 goto out;
82 82
83 if (bd->props->power != FB_BLANK_UNBLANK || 83 if (bd->props.power != FB_BLANK_UNBLANK ||
84 bd->props->fb_blank != FB_BLANK_UNBLANK) 84 bd->props.fb_blank != FB_BLANK_UNBLANK)
85 level = 0; 85 level = 0;
86 86
87 if (level > 0) { 87 if (level > 0) {
@@ -107,13 +107,13 @@ out:
107 107
108static int pmu_backlight_get_brightness(struct backlight_device *bd) 108static int pmu_backlight_get_brightness(struct backlight_device *bd)
109{ 109{
110 return bd->props->brightness; 110 return bd->props.brightness;
111} 111}
112 112
113static struct backlight_properties pmu_backlight_data = { 113static struct backlight_ops pmu_backlight_data = {
114 .get_brightness = pmu_backlight_get_brightness, 114 .get_brightness = pmu_backlight_get_brightness,
115 .update_status = pmu_backlight_update_status, 115 .update_status = pmu_backlight_update_status,
116 .max_brightness = (FB_BACKLIGHT_LEVELS - 1), 116
117}; 117};
118 118
119#ifdef CONFIG_PM 119#ifdef CONFIG_PM
@@ -151,9 +151,10 @@ void __init pmu_backlight_init()
151 printk("pmubl: Backlight registration failed\n"); 151 printk("pmubl: Backlight registration failed\n");
152 goto error; 152 goto error;
153 } 153 }
154 bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
154 pmu_backlight_init_curve(0x7F, 0x46, 0x0E); 155 pmu_backlight_init_curve(0x7F, 0x46, 0x0E);
155 156
156 level = pmu_backlight_data.max_brightness; 157 level = bd->props.max_brightness;
157 158
158 if (autosave) { 159 if (autosave) {
159 /* read autosaved value if available */ 160 /* read autosaved value if available */
@@ -163,11 +164,11 @@ void __init pmu_backlight_init()
163 164
164 level = pmu_backlight_curve_lookup( 165 level = pmu_backlight_curve_lookup(
165 (req.reply[0] >> 4) * 166 (req.reply[0] >> 4) *
166 pmu_backlight_data.max_brightness / 15); 167 bd->props.max_brightness / 15);
167 } 168 }
168 169
169 bd->props->brightness = level; 170 bd->props.brightness = level;
170 bd->props->power = FB_BLANK_UNBLANK; 171 bd->props.power = FB_BLANK_UNBLANK;
171 backlight_update_status(bd); 172 backlight_update_status(bd);
172 173
173 printk("pmubl: Backlight initialized (%s)\n", name); 174 printk("pmubl: Backlight initialized (%s)\n", name);
diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index 7ace5b9a3d28..295e931c0dfb 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -195,10 +195,9 @@ static struct backlight_device *asus_backlight_device;
195 */ 195 */
196static int read_brightness(struct backlight_device *bd); 196static int read_brightness(struct backlight_device *bd);
197static int update_bl_status(struct backlight_device *bd); 197static int update_bl_status(struct backlight_device *bd);
198static struct backlight_properties asusbl_data = { 198static struct backlight_ops asusbl_ops = {
199 .get_brightness = read_brightness, 199 .get_brightness = read_brightness,
200 .update_status = update_bl_status, 200 .update_status = update_bl_status,
201 .max_brightness = 15,
202}; 201};
203 202
204/* These functions actually update the LED's, and are called from a 203/* These functions actually update the LED's, and are called from a
@@ -348,7 +347,7 @@ static void lcd_blank(int blank)
348 struct backlight_device *bd = asus_backlight_device; 347 struct backlight_device *bd = asus_backlight_device;
349 348
350 if (bd) { 349 if (bd) {
351 bd->props->power = blank; 350 bd->props.power = blank;
352 backlight_update_status(bd); 351 backlight_update_status(bd);
353 } 352 }
354} 353}
@@ -381,13 +380,13 @@ static int set_brightness(struct backlight_device *bd, int value)
381static int update_bl_status(struct backlight_device *bd) 380static int update_bl_status(struct backlight_device *bd)
382{ 381{
383 int rv; 382 int rv;
384 int value = bd->props->brightness; 383 int value = bd->props.brightness;
385 384
386 rv = set_brightness(bd, value); 385 rv = set_brightness(bd, value);
387 if (rv) 386 if (rv)
388 return rv; 387 return rv;
389 388
390 value = (bd->props->power == FB_BLANK_UNBLANK) ? 1 : 0; 389 value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0;
391 return set_lcd_state(value); 390 return set_lcd_state(value);
392} 391}
393 392
@@ -1013,7 +1012,7 @@ static int asus_backlight_init(struct device *dev)
1013 1012
1014 if (brightness_set_handle && lcd_switch_handle) { 1013 if (brightness_set_handle && lcd_switch_handle) {
1015 bd = backlight_device_register(ASUS_HOTK_FILE, dev, 1014 bd = backlight_device_register(ASUS_HOTK_FILE, dev,
1016 NULL, &asusbl_data); 1015 NULL, &asusbl_ops);
1017 if (IS_ERR(bd)) { 1016 if (IS_ERR(bd)) {
1018 printk(ASUS_ERR 1017 printk(ASUS_ERR
1019 "Could not register asus backlight device\n"); 1018 "Could not register asus backlight device\n");
@@ -1023,8 +1022,9 @@ static int asus_backlight_init(struct device *dev)
1023 1022
1024 asus_backlight_device = bd; 1023 asus_backlight_device = bd;
1025 1024
1026 bd->props->brightness = read_brightness(NULL); 1025 bd->props.max_brightness = 15;
1027 bd->props->power = FB_BLANK_UNBLANK; 1026 bd->props.brightness = read_brightness(NULL);
1027 bd->props.power = FB_BLANK_UNBLANK;
1028 backlight_update_status(bd); 1028 backlight_update_status(bd);
1029 } 1029 }
1030 return 0; 1030 return 0;
diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c
index dd4d92e031b7..68c4b58525ba 100644
--- a/drivers/misc/msi-laptop.c
+++ b/drivers/misc/msi-laptop.c
@@ -157,13 +157,12 @@ static int bl_get_brightness(struct backlight_device *b)
157 157
158static int bl_update_status(struct backlight_device *b) 158static int bl_update_status(struct backlight_device *b)
159{ 159{
160 return set_lcd_level(b->props->brightness); 160 return set_lcd_level(b->props.brightness);
161} 161}
162 162
163static struct backlight_properties msibl_props = { 163static struct backlight_ops msibl_ops = {
164 .get_brightness = bl_get_brightness, 164 .get_brightness = bl_get_brightness,
165 .update_status = bl_update_status, 165 .update_status = bl_update_status,
166 .max_brightness = MSI_LCD_LEVEL_MAX-1,
167}; 166};
168 167
169static struct backlight_device *msibl_device; 168static struct backlight_device *msibl_device;
@@ -317,10 +316,12 @@ static int __init msi_init(void)
317 /* Register backlight stuff */ 316 /* Register backlight stuff */
318 317
319 msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL, 318 msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL,
320 &msibl_props); 319 &msibl_ops);
321 if (IS_ERR(msibl_device)) 320 if (IS_ERR(msibl_device))
322 return PTR_ERR(msibl_device); 321 return PTR_ERR(msibl_device);
323 322
323 msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1,
324
324 ret = platform_driver_register(&msipf_driver); 325 ret = platform_driver_register(&msipf_driver);
325 if (ret) 326 if (ret)
326 goto fail_backlight; 327 goto fail_backlight;
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index cd2c5574cf93..cf70c16f0e3f 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -141,7 +141,7 @@ static int appledisplay_bl_update_status(struct backlight_device *bd)
141 int retval; 141 int retval;
142 142
143 pdata->msgdata[0] = 0x10; 143 pdata->msgdata[0] = 0x10;
144 pdata->msgdata[1] = bd->props->brightness; 144 pdata->msgdata[1] = bd->props.brightness;
145 145
146 retval = usb_control_msg( 146 retval = usb_control_msg(
147 pdata->udev, 147 pdata->udev,
@@ -177,10 +177,9 @@ static int appledisplay_bl_get_brightness(struct backlight_device *bd)
177 return pdata->msgdata[1]; 177 return pdata->msgdata[1];
178} 178}
179 179
180static struct backlight_properties appledisplay_bl_data = { 180static struct backlight_ops appledisplay_bl_data = {
181 .get_brightness = appledisplay_bl_get_brightness, 181 .get_brightness = appledisplay_bl_get_brightness,
182 .update_status = appledisplay_bl_update_status, 182 .update_status = appledisplay_bl_update_status,
183 .max_brightness = 0xFF
184}; 183};
185 184
186static void appledisplay_work(struct work_struct *work) 185static void appledisplay_work(struct work_struct *work)
@@ -191,7 +190,7 @@ static void appledisplay_work(struct work_struct *work)
191 190
192 retval = appledisplay_bl_get_brightness(pdata->bd); 191 retval = appledisplay_bl_get_brightness(pdata->bd);
193 if (retval >= 0) 192 if (retval >= 0)
194 pdata->bd->props->brightness = retval; 193 pdata->bd->props.brightness = retval;
195 194
196 /* Poll again in about 125ms if there's still a button pressed */ 195 /* Poll again in about 125ms if there's still a button pressed */
197 if (pdata->button_pressed) 196 if (pdata->button_pressed)
@@ -285,6 +284,8 @@ static int appledisplay_probe(struct usb_interface *iface,
285 goto error; 284 goto error;
286 } 285 }
287 286
287 pdata->bd->props.max_brightness = 0xff;
288
288 /* Try to get brightness */ 289 /* Try to get brightness */
289 brightness = appledisplay_bl_get_brightness(pdata->bd); 290 brightness = appledisplay_bl_get_brightness(pdata->bd);
290 291
@@ -295,7 +296,7 @@ static int appledisplay_probe(struct usb_interface *iface,
295 } 296 }
296 297
297 /* Set brightness in backlight device */ 298 /* Set brightness in backlight device */
298 pdata->bd->props->brightness = brightness; 299 pdata->bd->props.brightness = brightness;
299 300
300 /* save our data pointer in the interface device */ 301 /* save our data pointer in the interface device */
301 usb_set_intfdata(iface, pdata); 302 usb_set_intfdata(iface, pdata);
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 4de8d6252c3c..8726c3669713 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1695,8 +1695,6 @@ static int __devinit aty128fb_setup(char *options)
1695#ifdef CONFIG_FB_ATY128_BACKLIGHT 1695#ifdef CONFIG_FB_ATY128_BACKLIGHT
1696#define MAX_LEVEL 0xFF 1696#define MAX_LEVEL 0xFF
1697 1697
1698static struct backlight_properties aty128_bl_data;
1699
1700static int aty128_bl_get_level_brightness(struct aty128fb_par *par, 1698static int aty128_bl_get_level_brightness(struct aty128fb_par *par,
1701 int level) 1699 int level)
1702{ 1700{
@@ -1730,12 +1728,12 @@ static int aty128_bl_update_status(struct backlight_device *bd)
1730 unsigned int reg = aty_ld_le32(LVDS_GEN_CNTL); 1728 unsigned int reg = aty_ld_le32(LVDS_GEN_CNTL);
1731 int level; 1729 int level;
1732 1730
1733 if (bd->props->power != FB_BLANK_UNBLANK || 1731 if (bd->props.power != FB_BLANK_UNBLANK ||
1734 bd->props->fb_blank != FB_BLANK_UNBLANK || 1732 bd->props.fb_blank != FB_BLANK_UNBLANK ||
1735 !par->lcd_on) 1733 !par->lcd_on)
1736 level = 0; 1734 level = 0;
1737 else 1735 else
1738 level = bd->props->brightness; 1736 level = bd->props.brightness;
1739 1737
1740 reg |= LVDS_BL_MOD_EN | LVDS_BLON; 1738 reg |= LVDS_BL_MOD_EN | LVDS_BLON;
1741 if (level > 0) { 1739 if (level > 0) {
@@ -1779,19 +1777,18 @@ static int aty128_bl_update_status(struct backlight_device *bd)
1779 1777
1780static int aty128_bl_get_brightness(struct backlight_device *bd) 1778static int aty128_bl_get_brightness(struct backlight_device *bd)
1781{ 1779{
1782 return bd->props->brightness; 1780 return bd->props.brightness;
1783} 1781}
1784 1782
1785static struct backlight_properties aty128_bl_data = { 1783static struct backlight_ops aty128_bl_data = {
1786 .get_brightness = aty128_bl_get_brightness, 1784 .get_brightness = aty128_bl_get_brightness,
1787 .update_status = aty128_bl_update_status, 1785 .update_status = aty128_bl_update_status,
1788 .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
1789}; 1786};
1790 1787
1791static void aty128_bl_set_power(struct fb_info *info, int power) 1788static void aty128_bl_set_power(struct fb_info *info, int power)
1792{ 1789{
1793 if (info->bl_dev) { 1790 if (info->bl_dev) {
1794 info->bl_dev->props->power = power; 1791 info->bl_dev->props.power = power;
1795 backlight_update_status(info->bl_dev); 1792 backlight_update_status(info->bl_dev);
1796 } 1793 }
1797} 1794}
@@ -1825,8 +1822,9 @@ static void aty128_bl_init(struct aty128fb_par *par)
1825 63 * FB_BACKLIGHT_MAX / MAX_LEVEL, 1822 63 * FB_BACKLIGHT_MAX / MAX_LEVEL,
1826 219 * FB_BACKLIGHT_MAX / MAX_LEVEL); 1823 219 * FB_BACKLIGHT_MAX / MAX_LEVEL);
1827 1824
1828 bd->props->brightness = aty128_bl_data.max_brightness; 1825 bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
1829 bd->props->power = FB_BLANK_UNBLANK; 1826 bd->props.brightness = bd->props.max_brightness;
1827 bd->props.power = FB_BLANK_UNBLANK;
1830 backlight_update_status(bd); 1828 backlight_update_status(bd);
1831 1829
1832 printk("aty128: Backlight initialized (%s)\n", name); 1830 printk("aty128: Backlight initialized (%s)\n", name);
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 35ba26567598..a7e0062233f2 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2114,8 +2114,6 @@ static int atyfb_pci_resume(struct pci_dev *pdev)
2114#ifdef CONFIG_FB_ATY_BACKLIGHT 2114#ifdef CONFIG_FB_ATY_BACKLIGHT
2115#define MAX_LEVEL 0xFF 2115#define MAX_LEVEL 0xFF
2116 2116
2117static struct backlight_properties aty_bl_data;
2118
2119static int aty_bl_get_level_brightness(struct atyfb_par *par, int level) 2117static int aty_bl_get_level_brightness(struct atyfb_par *par, int level)
2120{ 2118{
2121 struct fb_info *info = pci_get_drvdata(par->pdev); 2119 struct fb_info *info = pci_get_drvdata(par->pdev);
@@ -2139,11 +2137,11 @@ static int aty_bl_update_status(struct backlight_device *bd)
2139 unsigned int reg = aty_ld_lcd(LCD_MISC_CNTL, par); 2137 unsigned int reg = aty_ld_lcd(LCD_MISC_CNTL, par);
2140 int level; 2138 int level;
2141 2139
2142 if (bd->props->power != FB_BLANK_UNBLANK || 2140 if (bd->props.power != FB_BLANK_UNBLANK ||
2143 bd->props->fb_blank != FB_BLANK_UNBLANK) 2141 bd->props.fb_blank != FB_BLANK_UNBLANK)
2144 level = 0; 2142 level = 0;
2145 else 2143 else
2146 level = bd->props->brightness; 2144 level = bd->props.brightness;
2147 2145
2148 reg |= (BLMOD_EN | BIASMOD_EN); 2146 reg |= (BLMOD_EN | BIASMOD_EN);
2149 if (level > 0) { 2147 if (level > 0) {
@@ -2160,13 +2158,12 @@ static int aty_bl_update_status(struct backlight_device *bd)
2160 2158
2161static int aty_bl_get_brightness(struct backlight_device *bd) 2159static int aty_bl_get_brightness(struct backlight_device *bd)
2162{ 2160{
2163 return bd->props->brightness; 2161 return bd->props.brightness;
2164} 2162}
2165 2163
2166static struct backlight_properties aty_bl_data = { 2164static struct backlight_ops aty_bl_data = {
2167 .get_brightness = aty_bl_get_brightness, 2165 .get_brightness = aty_bl_get_brightness,
2168 .update_status = aty_bl_update_status, 2166 .update_status = aty_bl_update_status,
2169 .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
2170}; 2167};
2171 2168
2172static void aty_bl_init(struct atyfb_par *par) 2169static void aty_bl_init(struct atyfb_par *par)
@@ -2194,8 +2191,9 @@ static void aty_bl_init(struct atyfb_par *par)
2194 0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL, 2191 0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL,
2195 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL); 2192 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL);
2196 2193
2197 bd->props->brightness = aty_bl_data.max_brightness; 2194 bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
2198 bd->props->power = FB_BLANK_UNBLANK; 2195 bd->props.brightness = bd->props.max_brightness;
2196 bd->props.power = FB_BLANK_UNBLANK;
2199 backlight_update_status(bd); 2197 backlight_update_status(bd);
2200 2198
2201 printk("aty: Backlight initialized (%s)\n", name); 2199 printk("aty: Backlight initialized (%s)\n", name);
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 8c775e6a7e03..0be25fa5540c 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -19,8 +19,6 @@
19 19
20#define MAX_RADEON_LEVEL 0xFF 20#define MAX_RADEON_LEVEL 0xFF
21 21
22static struct backlight_properties radeon_bl_data;
23
24struct radeon_bl_privdata { 22struct radeon_bl_privdata {
25 struct radeonfb_info *rinfo; 23 struct radeonfb_info *rinfo;
26 uint8_t negative; 24 uint8_t negative;
@@ -61,11 +59,11 @@ static int radeon_bl_update_status(struct backlight_device *bd)
61 * backlight. This provides some greater power saving and the display 59 * backlight. This provides some greater power saving and the display
62 * is useless without backlight anyway. 60 * is useless without backlight anyway.
63 */ 61 */
64 if (bd->props->power != FB_BLANK_UNBLANK || 62 if (bd->props.power != FB_BLANK_UNBLANK ||
65 bd->props->fb_blank != FB_BLANK_UNBLANK) 63 bd->props.fb_blank != FB_BLANK_UNBLANK)
66 level = 0; 64 level = 0;
67 else 65 else
68 level = bd->props->brightness; 66 level = bd->props.brightness;
69 67
70 del_timer_sync(&rinfo->lvds_timer); 68 del_timer_sync(&rinfo->lvds_timer);
71 radeon_engine_idle(); 69 radeon_engine_idle();
@@ -126,13 +124,12 @@ static int radeon_bl_update_status(struct backlight_device *bd)
126 124
127static int radeon_bl_get_brightness(struct backlight_device *bd) 125static int radeon_bl_get_brightness(struct backlight_device *bd)
128{ 126{
129 return bd->props->brightness; 127 return bd->props.brightness;
130} 128}
131 129
132static struct backlight_properties radeon_bl_data = { 130static struct backlight_ops radeon_bl_data = {
133 .get_brightness = radeon_bl_get_brightness, 131 .get_brightness = radeon_bl_get_brightness,
134 .update_status = radeon_bl_update_status, 132 .update_status = radeon_bl_update_status,
135 .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
136}; 133};
137 134
138void radeonfb_bl_init(struct radeonfb_info *rinfo) 135void radeonfb_bl_init(struct radeonfb_info *rinfo)
@@ -188,8 +185,9 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
188 63 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL, 185 63 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL,
189 217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL); 186 217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL);
190 187
191 bd->props->brightness = radeon_bl_data.max_brightness; 188 bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
192 bd->props->power = FB_BLANK_UNBLANK; 189 bd->props.brightness = bd->props.max_brightness;
190 bd->props.power = FB_BLANK_UNBLANK;
193 backlight_update_status(bd); 191 backlight_update_status(bd);
194 192
195 printk("radeonfb: Backlight initialized (%s)\n", name); 193 printk("radeonfb: Backlight initialized (%s)\n", name);
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 822a373d3346..c65e81ff3578 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -35,14 +35,14 @@ static int fb_notifier_callback(struct notifier_block *self,
35 return 0; 35 return 0;
36 36
37 bd = container_of(self, struct backlight_device, fb_notif); 37 bd = container_of(self, struct backlight_device, fb_notif);
38 mutex_lock(&bd->props_lock); 38 mutex_lock(&bd->ops_lock);
39 if (bd->props) 39 if (bd->ops)
40 if (!bd->props->check_fb || 40 if (!bd->ops->check_fb ||
41 bd->props->check_fb(evdata->info)) { 41 bd->ops->check_fb(evdata->info)) {
42 bd->props->fb_blank = *(int *)evdata->data; 42 bd->props.fb_blank = *(int *)evdata->data;
43 backlight_update_status(bd); 43 backlight_update_status(bd);
44 } 44 }
45 mutex_unlock(&bd->props_lock); 45 mutex_unlock(&bd->ops_lock);
46 return 0; 46 return 0;
47} 47}
48 48
@@ -71,15 +71,9 @@ static inline void backlight_unregister_fb(struct backlight_device *bd)
71 71
72static ssize_t backlight_show_power(struct class_device *cdev, char *buf) 72static ssize_t backlight_show_power(struct class_device *cdev, char *buf)
73{ 73{
74 int rc = -ENXIO;
75 struct backlight_device *bd = to_backlight_device(cdev); 74 struct backlight_device *bd = to_backlight_device(cdev);
76 75
77 mutex_lock(&bd->props_lock); 76 return sprintf(buf, "%d\n", bd->props.power);
78 if (bd->props)
79 rc = sprintf(buf, "%d\n", bd->props->power);
80 mutex_unlock(&bd->props_lock);
81
82 return rc;
83} 77}
84 78
85static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, size_t count) 79static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, size_t count)
@@ -95,29 +89,23 @@ static ssize_t backlight_store_power(struct class_device *cdev, const char *buf,
95 if (size != count) 89 if (size != count)
96 return -EINVAL; 90 return -EINVAL;
97 91
98 mutex_lock(&bd->props_lock); 92 mutex_lock(&bd->ops_lock);
99 if (bd->props) { 93 if (bd->ops) {
100 pr_debug("backlight: set power to %d\n", power); 94 pr_debug("backlight: set power to %d\n", power);
101 bd->props->power = power; 95 bd->props.power = power;
102 backlight_update_status(bd); 96 backlight_update_status(bd);
103 rc = count; 97 rc = count;
104 } 98 }
105 mutex_unlock(&bd->props_lock); 99 mutex_unlock(&bd->ops_lock);
106 100
107 return rc; 101 return rc;
108} 102}
109 103
110static ssize_t backlight_show_brightness(struct class_device *cdev, char *buf) 104static ssize_t backlight_show_brightness(struct class_device *cdev, char *buf)
111{ 105{
112 int rc = -ENXIO;
113 struct backlight_device *bd = to_backlight_device(cdev); 106 struct backlight_device *bd = to_backlight_device(cdev);
114 107
115 mutex_lock(&bd->props_lock); 108 return sprintf(buf, "%d\n", bd->props.brightness);
116 if (bd->props)
117 rc = sprintf(buf, "%d\n", bd->props->brightness);
118 mutex_unlock(&bd->props_lock);
119
120 return rc;
121} 109}
122 110
123static ssize_t backlight_store_brightness(struct class_device *cdev, const char *buf, size_t count) 111static ssize_t backlight_store_brightness(struct class_device *cdev, const char *buf, size_t count)
@@ -133,34 +121,28 @@ static ssize_t backlight_store_brightness(struct class_device *cdev, const char
133 if (size != count) 121 if (size != count)
134 return -EINVAL; 122 return -EINVAL;
135 123
136 mutex_lock(&bd->props_lock); 124 mutex_lock(&bd->ops_lock);
137 if (bd->props) { 125 if (bd->ops) {
138 if (brightness > bd->props->max_brightness) 126 if (brightness > bd->props.max_brightness)
139 rc = -EINVAL; 127 rc = -EINVAL;
140 else { 128 else {
141 pr_debug("backlight: set brightness to %d\n", 129 pr_debug("backlight: set brightness to %d\n",
142 brightness); 130 brightness);
143 bd->props->brightness = brightness; 131 bd->props.brightness = brightness;
144 backlight_update_status(bd); 132 backlight_update_status(bd);
145 rc = count; 133 rc = count;
146 } 134 }
147 } 135 }
148 mutex_unlock(&bd->props_lock); 136 mutex_unlock(&bd->ops_lock);
149 137
150 return rc; 138 return rc;
151} 139}
152 140
153static ssize_t backlight_show_max_brightness(struct class_device *cdev, char *buf) 141static ssize_t backlight_show_max_brightness(struct class_device *cdev, char *buf)
154{ 142{
155 int rc = -ENXIO;
156 struct backlight_device *bd = to_backlight_device(cdev); 143 struct backlight_device *bd = to_backlight_device(cdev);
157 144
158 mutex_lock(&bd->props_lock); 145 return sprintf(buf, "%d\n", bd->props.max_brightness);
159 if (bd->props)
160 rc = sprintf(buf, "%d\n", bd->props->max_brightness);
161 mutex_unlock(&bd->props_lock);
162
163 return rc;
164} 146}
165 147
166static ssize_t backlight_show_actual_brightness(struct class_device *cdev, 148static ssize_t backlight_show_actual_brightness(struct class_device *cdev,
@@ -169,10 +151,10 @@ static ssize_t backlight_show_actual_brightness(struct class_device *cdev,
169 int rc = -ENXIO; 151 int rc = -ENXIO;
170 struct backlight_device *bd = to_backlight_device(cdev); 152 struct backlight_device *bd = to_backlight_device(cdev);
171 153
172 mutex_lock(&bd->props_lock); 154 mutex_lock(&bd->ops_lock);
173 if (bd->props && bd->props->get_brightness) 155 if (bd->ops && bd->ops->get_brightness)
174 rc = sprintf(buf, "%d\n", bd->props->get_brightness(bd)); 156 rc = sprintf(buf, "%d\n", bd->ops->get_brightness(bd));
175 mutex_unlock(&bd->props_lock); 157 mutex_unlock(&bd->ops_lock);
176 158
177 return rc; 159 return rc;
178} 160}
@@ -211,7 +193,7 @@ static const struct class_device_attribute bl_class_device_attributes[] = {
211 * respective framebuffer device). 193 * respective framebuffer device).
212 * @devdata: an optional pointer to be stored in the class_device. The 194 * @devdata: an optional pointer to be stored in the class_device. The
213 * methods may retrieve it by using class_get_devdata(&bd->class_dev). 195 * methods may retrieve it by using class_get_devdata(&bd->class_dev).
214 * @bp: the backlight properties structure. 196 * @ops: the backlight operations structure.
215 * 197 *
216 * Creates and registers new backlight class_device. Returns either an 198 * Creates and registers new backlight class_device. Returns either an
217 * ERR_PTR() or a pointer to the newly allocated device. 199 * ERR_PTR() or a pointer to the newly allocated device.
@@ -219,21 +201,20 @@ static const struct class_device_attribute bl_class_device_attributes[] = {
219struct backlight_device *backlight_device_register(const char *name, 201struct backlight_device *backlight_device_register(const char *name,
220 struct device *dev, 202 struct device *dev,
221 void *devdata, 203 void *devdata,
222 struct backlight_properties *bp) 204 struct backlight_ops *ops)
223{ 205{
224 int i, rc; 206 int i, rc;
225 struct backlight_device *new_bd; 207 struct backlight_device *new_bd;
226 208
227 pr_debug("backlight_device_alloc: name=%s\n", name); 209 pr_debug("backlight_device_alloc: name=%s\n", name);
228 210
229 new_bd = kmalloc(sizeof(struct backlight_device), GFP_KERNEL); 211 new_bd = kzalloc(sizeof(struct backlight_device), GFP_KERNEL);
230 if (!new_bd) 212 if (!new_bd)
231 return ERR_PTR(-ENOMEM); 213 return ERR_PTR(-ENOMEM);
232 214
233 mutex_init(&new_bd->update_lock); 215 mutex_init(&new_bd->update_lock);
234 mutex_init(&new_bd->props_lock); 216 mutex_init(&new_bd->ops_lock);
235 new_bd->props = bp; 217 new_bd->ops = ops;
236 memset(&new_bd->class_dev, 0, sizeof(new_bd->class_dev));
237 new_bd->class_dev.class = &backlight_class; 218 new_bd->class_dev.class = &backlight_class;
238 new_bd->class_dev.dev = dev; 219 new_bd->class_dev.dev = dev;
239 strlcpy(new_bd->class_dev.class_id, name, KOBJ_NAME_LEN); 220 strlcpy(new_bd->class_dev.class_id, name, KOBJ_NAME_LEN);
@@ -302,9 +283,9 @@ void backlight_device_unregister(struct backlight_device *bd)
302 class_device_remove_file(&bd->class_dev, 283 class_device_remove_file(&bd->class_dev,
303 &bl_class_device_attributes[i]); 284 &bl_class_device_attributes[i]);
304 285
305 mutex_lock(&bd->props_lock); 286 mutex_lock(&bd->ops_lock);
306 bd->props = NULL; 287 bd->ops = NULL;
307 mutex_unlock(&bd->props_lock); 288 mutex_unlock(&bd->ops_lock);
308 289
309 backlight_unregister_fb(bd); 290 backlight_unregister_fb(bd);
310 291
diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c
index c1eba0e8a1b0..05f36811ac95 100644
--- a/drivers/video/backlight/corgi_bl.c
+++ b/drivers/video/backlight/corgi_bl.c
@@ -34,11 +34,11 @@ static unsigned long corgibl_flags;
34static int corgibl_send_intensity(struct backlight_device *bd) 34static int corgibl_send_intensity(struct backlight_device *bd)
35{ 35{
36 void (*corgi_kick_batt)(void); 36 void (*corgi_kick_batt)(void);
37 int intensity = bd->props->brightness; 37 int intensity = bd->props.brightness;
38 38
39 if (bd->props->power != FB_BLANK_UNBLANK) 39 if (bd->props.power != FB_BLANK_UNBLANK)
40 intensity = 0; 40 intensity = 0;
41 if (bd->props->fb_blank != FB_BLANK_UNBLANK) 41 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
42 intensity = 0; 42 intensity = 0;
43 if (corgibl_flags & CORGIBL_SUSPENDED) 43 if (corgibl_flags & CORGIBL_SUSPENDED)
44 intensity = 0; 44 intensity = 0;
@@ -103,7 +103,7 @@ void corgibl_limit_intensity(int limit)
103EXPORT_SYMBOL(corgibl_limit_intensity); 103EXPORT_SYMBOL(corgibl_limit_intensity);
104 104
105 105
106static struct backlight_properties corgibl_data = { 106static struct backlight_ops corgibl_ops = {
107 .get_brightness = corgibl_get_intensity, 107 .get_brightness = corgibl_get_intensity,
108 .update_status = corgibl_send_intensity, 108 .update_status = corgibl_send_intensity,
109}; 109};
@@ -113,19 +113,19 @@ static int corgibl_probe(struct platform_device *pdev)
113 struct corgibl_machinfo *machinfo = pdev->dev.platform_data; 113 struct corgibl_machinfo *machinfo = pdev->dev.platform_data;
114 114
115 bl_machinfo = machinfo; 115 bl_machinfo = machinfo;
116 corgibl_data.max_brightness = machinfo->max_intensity;
117 if (!machinfo->limit_mask) 116 if (!machinfo->limit_mask)
118 machinfo->limit_mask = -1; 117 machinfo->limit_mask = -1;
119 118
120 corgi_backlight_device = backlight_device_register ("corgi-bl", 119 corgi_backlight_device = backlight_device_register ("corgi-bl",
121 &pdev->dev, NULL, &corgibl_data); 120 &pdev->dev, NULL, &corgibl_ops);
122 if (IS_ERR (corgi_backlight_device)) 121 if (IS_ERR (corgi_backlight_device))
123 return PTR_ERR (corgi_backlight_device); 122 return PTR_ERR (corgi_backlight_device);
124 123
125 platform_set_drvdata(pdev, corgi_backlight_device); 124 platform_set_drvdata(pdev, corgi_backlight_device);
126 125
127 corgibl_data.power = FB_BLANK_UNBLANK; 126 corgi_backlight_device->props.max_brightness = machinfo->max_intensity;
128 corgibl_data.brightness = machinfo->default_intensity; 127 corgi_backlight_device->props.power = FB_BLANK_UNBLANK;
128 corgi_backlight_device->props.brightness = machinfo->default_intensity;
129 corgibl_send_intensity(corgi_backlight_device); 129 corgibl_send_intensity(corgi_backlight_device);
130 130
131 printk("Corgi Backlight Driver Initialized.\n"); 131 printk("Corgi Backlight Driver Initialized.\n");
diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
index e7444c8f289d..0899fccbd570 100644
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -33,11 +33,11 @@ static void hp680bl_send_intensity(struct backlight_device *bd)
33{ 33{
34 unsigned long flags; 34 unsigned long flags;
35 u16 v; 35 u16 v;
36 int intensity = bd->props->brightness; 36 int intensity = bd->props.brightness;
37 37
38 if (bd->props->power != FB_BLANK_UNBLANK) 38 if (bd->props.power != FB_BLANK_UNBLANK)
39 intensity = 0; 39 intensity = 0;
40 if (bd->props->fb_blank != FB_BLANK_UNBLANK) 40 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
41 intensity = 0; 41 intensity = 0;
42 if (hp680bl_suspended) 42 if (hp680bl_suspended)
43 intensity = 0; 43 intensity = 0;
@@ -98,8 +98,7 @@ static int hp680bl_get_intensity(struct backlight_device *bd)
98 return current_intensity; 98 return current_intensity;
99} 99}
100 100
101static struct backlight_properties hp680bl_data = { 101static struct backlight_ops hp680bl_ops = {
102 .max_brightness = HP680_MAX_INTENSITY,
103 .get_brightness = hp680bl_get_intensity, 102 .get_brightness = hp680bl_get_intensity,
104 .update_status = hp680bl_set_intensity, 103 .update_status = hp680bl_set_intensity,
105}; 104};
@@ -109,13 +108,14 @@ static int __init hp680bl_probe(struct platform_device *pdev)
109 struct backlight_device *bd; 108 struct backlight_device *bd;
110 109
111 bd = backlight_device_register ("hp680-bl", &pdev->dev, NULL, 110 bd = backlight_device_register ("hp680-bl", &pdev->dev, NULL,
112 &hp680bl_data); 111 &hp680bl_ops);
113 if (IS_ERR(bd)) 112 if (IS_ERR(bd))
114 return PTR_ERR(bd); 113 return PTR_ERR(bd);
115 114
116 platform_set_drvdata(pdev, bd); 115 platform_set_drvdata(pdev, bd);
117 116
118 bd->props->brightness = HP680_DEFAULT_INTENSITY; 117 bd->props.max_brightness = HP680_MAX_INTENSITY;
118 bd->props.brightness = HP680_DEFAULT_INTENSITY;
119 hp680bl_send_intensity(bd); 119 hp680bl_send_intensity(bd);
120 120
121 return 0; 121 return 0;
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 430ba018a896..6ef8f0a7a137 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -31,11 +31,11 @@ static int fb_notifier_callback(struct notifier_block *self,
31 return 0; 31 return 0;
32 32
33 ld = container_of(self, struct lcd_device, fb_notif); 33 ld = container_of(self, struct lcd_device, fb_notif);
34 mutex_lock(&ld->props_lock); 34 mutex_lock(&ld->ops_lock);
35 if (ld->props) 35 if (ld->ops)
36 if (!ld->props->check_fb || ld->props->check_fb(evdata->info)) 36 if (!ld->ops->check_fb || ld->ops->check_fb(evdata->info))
37 ld->props->set_power(ld, *(int *)evdata->data); 37 ld->ops->set_power(ld, *(int *)evdata->data);
38 mutex_unlock(&ld->props_lock); 38 mutex_unlock(&ld->ops_lock);
39 return 0; 39 return 0;
40} 40}
41 41
@@ -66,12 +66,12 @@ static ssize_t lcd_show_power(struct class_device *cdev, char *buf)
66 int rc; 66 int rc;
67 struct lcd_device *ld = to_lcd_device(cdev); 67 struct lcd_device *ld = to_lcd_device(cdev);
68 68
69 mutex_lock(&ld->props_lock); 69 mutex_lock(&ld->ops_lock);
70 if (ld->props && ld->props->get_power) 70 if (ld->ops && ld->ops->get_power)
71 rc = sprintf(buf, "%d\n", ld->props->get_power(ld)); 71 rc = sprintf(buf, "%d\n", ld->ops->get_power(ld));
72 else 72 else
73 rc = -ENXIO; 73 rc = -ENXIO;
74 mutex_unlock(&ld->props_lock); 74 mutex_unlock(&ld->ops_lock);
75 75
76 return rc; 76 return rc;
77} 77}
@@ -89,13 +89,13 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_
89 if (size != count) 89 if (size != count)
90 return -EINVAL; 90 return -EINVAL;
91 91
92 mutex_lock(&ld->props_lock); 92 mutex_lock(&ld->ops_lock);
93 if (ld->props && ld->props->set_power) { 93 if (ld->ops && ld->ops->set_power) {
94 pr_debug("lcd: set power to %d\n", power); 94 pr_debug("lcd: set power to %d\n", power);
95 ld->props->set_power(ld, power); 95 ld->ops->set_power(ld, power);
96 rc = count; 96 rc = count;
97 } 97 }
98 mutex_unlock(&ld->props_lock); 98 mutex_unlock(&ld->ops_lock);
99 99
100 return rc; 100 return rc;
101} 101}
@@ -105,10 +105,10 @@ static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf)
105 int rc = -ENXIO; 105 int rc = -ENXIO;
106 struct lcd_device *ld = to_lcd_device(cdev); 106 struct lcd_device *ld = to_lcd_device(cdev);
107 107
108 mutex_lock(&ld->props_lock); 108 mutex_lock(&ld->ops_lock);
109 if (ld->props && ld->props->get_contrast) 109 if (ld->ops && ld->ops->get_contrast)
110 rc = sprintf(buf, "%d\n", ld->props->get_contrast(ld)); 110 rc = sprintf(buf, "%d\n", ld->ops->get_contrast(ld));
111 mutex_unlock(&ld->props_lock); 111 mutex_unlock(&ld->ops_lock);
112 112
113 return rc; 113 return rc;
114} 114}
@@ -126,28 +126,22 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si
126 if (size != count) 126 if (size != count)
127 return -EINVAL; 127 return -EINVAL;
128 128
129 mutex_lock(&ld->props_lock); 129 mutex_lock(&ld->ops_lock);
130 if (ld->props && ld->props->set_contrast) { 130 if (ld->ops && ld->ops->set_contrast) {
131 pr_debug("lcd: set contrast to %d\n", contrast); 131 pr_debug("lcd: set contrast to %d\n", contrast);
132 ld->props->set_contrast(ld, contrast); 132 ld->ops->set_contrast(ld, contrast);
133 rc = count; 133 rc = count;
134 } 134 }
135 mutex_unlock(&ld->props_lock); 135 mutex_unlock(&ld->ops_lock);
136 136
137 return rc; 137 return rc;
138} 138}
139 139
140static ssize_t lcd_show_max_contrast(struct class_device *cdev, char *buf) 140static ssize_t lcd_show_max_contrast(struct class_device *cdev, char *buf)
141{ 141{
142 int rc = -ENXIO;
143 struct lcd_device *ld = to_lcd_device(cdev); 142 struct lcd_device *ld = to_lcd_device(cdev);
144 143
145 mutex_lock(&ld->props_lock); 144 return sprintf(buf, "%d\n", ld->props.max_contrast);
146 if (ld->props)
147 rc = sprintf(buf, "%d\n", ld->props->max_contrast);
148 mutex_unlock(&ld->props_lock);
149
150 return rc;
151} 145}
152 146
153static void lcd_class_release(struct class_device *dev) 147static void lcd_class_release(struct class_device *dev)
@@ -180,27 +174,26 @@ static const struct class_device_attribute lcd_class_device_attributes[] = {
180 * respective framebuffer device). 174 * respective framebuffer device).
181 * @devdata: an optional pointer to be stored in the class_device. The 175 * @devdata: an optional pointer to be stored in the class_device. The
182 * methods may retrieve it by using class_get_devdata(ld->class_dev). 176 * methods may retrieve it by using class_get_devdata(ld->class_dev).
183 * @lp: the lcd properties structure. 177 * @ops: the lcd operations structure.
184 * 178 *
185 * Creates and registers a new lcd class_device. Returns either an ERR_PTR() 179 * Creates and registers a new lcd class_device. Returns either an ERR_PTR()
186 * or a pointer to the newly allocated device. 180 * or a pointer to the newly allocated device.
187 */ 181 */
188struct lcd_device *lcd_device_register(const char *name, void *devdata, 182struct lcd_device *lcd_device_register(const char *name, void *devdata,
189 struct lcd_properties *lp) 183 struct lcd_ops *ops)
190{ 184{
191 int i, rc; 185 int i, rc;
192 struct lcd_device *new_ld; 186 struct lcd_device *new_ld;
193 187
194 pr_debug("lcd_device_register: name=%s\n", name); 188 pr_debug("lcd_device_register: name=%s\n", name);
195 189
196 new_ld = kmalloc(sizeof(struct lcd_device), GFP_KERNEL); 190 new_ld = kzalloc(sizeof(struct lcd_device), GFP_KERNEL);
197 if (!new_ld) 191 if (!new_ld)
198 return ERR_PTR(-ENOMEM); 192 return ERR_PTR(-ENOMEM);
199 193
200 mutex_init(&new_ld->props_lock); 194 mutex_init(&new_ld->ops_lock);
201 mutex_init(&new_ld->update_lock); 195 mutex_init(&new_ld->update_lock);
202 new_ld->props = lp; 196 new_ld->ops = ops;
203 memset(&new_ld->class_dev, 0, sizeof(new_ld->class_dev));
204 new_ld->class_dev.class = &lcd_class; 197 new_ld->class_dev.class = &lcd_class;
205 strlcpy(new_ld->class_dev.class_id, name, KOBJ_NAME_LEN); 198 strlcpy(new_ld->class_dev.class_id, name, KOBJ_NAME_LEN);
206 class_set_devdata(&new_ld->class_dev, devdata); 199 class_set_devdata(&new_ld->class_dev, devdata);
@@ -253,9 +246,9 @@ void lcd_device_unregister(struct lcd_device *ld)
253 class_device_remove_file(&ld->class_dev, 246 class_device_remove_file(&ld->class_dev,
254 &lcd_class_device_attributes[i]); 247 &lcd_class_device_attributes[i]);
255 248
256 mutex_lock(&ld->props_lock); 249 mutex_lock(&ld->ops_lock);
257 ld->props = NULL; 250 ld->ops = NULL;
258 mutex_unlock(&ld->props_lock); 251 mutex_unlock(&ld->ops_lock);
259 lcd_unregister_fb(ld); 252 lcd_unregister_fb(ld);
260 class_device_unregister(&ld->class_dev); 253 class_device_unregister(&ld->class_dev);
261} 254}
diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index 3c5abbf0d042..d1312477813e 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -112,11 +112,11 @@ static int current_intensity;
112 112
113static int locomolcd_set_intensity(struct backlight_device *bd) 113static int locomolcd_set_intensity(struct backlight_device *bd)
114{ 114{
115 int intensity = bd->props->brightness; 115 int intensity = bd->props.brightness;
116 116
117 if (bd->props->power != FB_BLANK_UNBLANK) 117 if (bd->props.power != FB_BLANK_UNBLANK)
118 intensity = 0; 118 intensity = 0;
119 if (bd->props->fb_blank != FB_BLANK_UNBLANK) 119 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
120 intensity = 0; 120 intensity = 0;
121 if (locomolcd_flags & LOCOMOLCD_SUSPENDED) 121 if (locomolcd_flags & LOCOMOLCD_SUSPENDED)
122 intensity = 0; 122 intensity = 0;
@@ -141,10 +141,9 @@ static int locomolcd_get_intensity(struct backlight_device *bd)
141 return current_intensity; 141 return current_intensity;
142} 142}
143 143
144static struct backlight_properties locomobl_data = { 144static struct backlight_ops locomobl_data = {
145 .get_brightness = locomolcd_get_intensity, 145 .get_brightness = locomolcd_get_intensity,
146 .update_status = locomolcd_set_intensity, 146 .update_status = locomolcd_set_intensity,
147 .max_brightness = 4,
148}; 147};
149 148
150#ifdef CONFIG_PM 149#ifdef CONFIG_PM
@@ -189,7 +188,8 @@ static int locomolcd_probe(struct locomo_dev *ldev)
189 return PTR_ERR (locomolcd_bl_device); 188 return PTR_ERR (locomolcd_bl_device);
190 189
191 /* Set up frontlight so that screen is readable */ 190 /* Set up frontlight so that screen is readable */
192 locomobl_data.brightness = 2; 191 locomolcd_bl_device->props.max_brightness = 4,
192 locomolcd_bl_device->props.brightness = 2;
193 locomolcd_set_intensity(locomolcd_bl_device); 193 locomolcd_set_intensity(locomolcd_bl_device);
194 194
195 return 0; 195 return 0;
diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c
index 42d6acd96c1a..702269357861 100644
--- a/drivers/video/backlight/progear_bl.c
+++ b/drivers/video/backlight/progear_bl.c
@@ -35,11 +35,11 @@ static struct pci_dev *sb_dev = NULL;
35 35
36static int progearbl_set_intensity(struct backlight_device *bd) 36static int progearbl_set_intensity(struct backlight_device *bd)
37{ 37{
38 int intensity = bd->props->brightness; 38 int intensity = bd->props.brightness;
39 39
40 if (bd->props->power != FB_BLANK_UNBLANK) 40 if (bd->props.power != FB_BLANK_UNBLANK)
41 intensity = 0; 41 intensity = 0;
42 if (bd->props->fb_blank != FB_BLANK_UNBLANK) 42 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
43 intensity = 0; 43 intensity = 0;
44 44
45 pci_write_config_byte(pmu_dev, PMU_LPCR, intensity + HW_LEVEL_MIN); 45 pci_write_config_byte(pmu_dev, PMU_LPCR, intensity + HW_LEVEL_MIN);
@@ -55,7 +55,7 @@ static int progearbl_get_intensity(struct backlight_device *bd)
55 return intensity - HW_LEVEL_MIN; 55 return intensity - HW_LEVEL_MIN;
56} 56}
57 57
58static struct backlight_properties progearbl_data = { 58static struct backlight_ops progearbl_ops = {
59 .get_brightness = progearbl_get_intensity, 59 .get_brightness = progearbl_get_intensity,
60 .update_status = progearbl_set_intensity, 60 .update_status = progearbl_set_intensity,
61}; 61};
@@ -84,15 +84,15 @@ static int progearbl_probe(struct platform_device *pdev)
84 84
85 progear_backlight_device = backlight_device_register("progear-bl", 85 progear_backlight_device = backlight_device_register("progear-bl",
86 &pdev->dev, NULL, 86 &pdev->dev, NULL,
87 &progearbl_data); 87 &progearbl_ops);
88 if (IS_ERR(progear_backlight_device)) 88 if (IS_ERR(progear_backlight_device))
89 return PTR_ERR(progear_backlight_device); 89 return PTR_ERR(progear_backlight_device);
90 90
91 platform_set_drvdata(pdev, progear_backlight_device); 91 platform_set_drvdata(pdev, progear_backlight_device);
92 92
93 progearbl_data.power = FB_BLANK_UNBLANK; 93 progear_backlight_device->props.power = FB_BLANK_UNBLANK;
94 progearbl_data.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; 94 progear_backlight_device->props.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN;
95 progearbl_data.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; 95 progear_backlight_device->props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN;
96 progearbl_set_intensity(progear_backlight_device); 96 progearbl_set_intensity(progear_backlight_device);
97 97
98 return 0; 98 return 0;
diff --git a/drivers/video/chipsfb.c b/drivers/video/chipsfb.c
index 2a17dfc232f3..af313bf1a2da 100644
--- a/drivers/video/chipsfb.c
+++ b/drivers/video/chipsfb.c
@@ -395,7 +395,7 @@ chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
395 /* turn on the backlight */ 395 /* turn on the backlight */
396 mutex_lock(&pmac_backlight_mutex); 396 mutex_lock(&pmac_backlight_mutex);
397 if (pmac_backlight) { 397 if (pmac_backlight) {
398 pmac_backlight->props->power = FB_BLANK_UNBLANK; 398 pmac_backlight->props.power = FB_BLANK_UNBLANK;
399 backlight_update_status(pmac_backlight); 399 backlight_update_status(pmac_backlight);
400 } 400 }
401 mutex_unlock(&pmac_backlight_mutex); 401 mutex_unlock(&pmac_backlight_mutex);
diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c
index 0e2bc519dcab..b7016e9b9e13 100644
--- a/drivers/video/nvidia/nv_backlight.c
+++ b/drivers/video/nvidia/nv_backlight.c
@@ -54,11 +54,11 @@ static int nvidia_bl_update_status(struct backlight_device *bd)
54 if (!par->FlatPanel) 54 if (!par->FlatPanel)
55 return 0; 55 return 0;
56 56
57 if (bd->props->power != FB_BLANK_UNBLANK || 57 if (bd->props.power != FB_BLANK_UNBLANK ||
58 bd->props->fb_blank != FB_BLANK_UNBLANK) 58 bd->props.fb_blank != FB_BLANK_UNBLANK)
59 level = 0; 59 level = 0;
60 else 60 else
61 level = bd->props->brightness; 61 level = bd->props.brightness;
62 62
63 tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF; 63 tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF;
64 tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC; 64 tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC;
@@ -81,13 +81,12 @@ static int nvidia_bl_update_status(struct backlight_device *bd)
81 81
82static int nvidia_bl_get_brightness(struct backlight_device *bd) 82static int nvidia_bl_get_brightness(struct backlight_device *bd)
83{ 83{
84 return bd->props->brightness; 84 return bd->props.brightness;
85} 85}
86 86
87static struct backlight_properties nvidia_bl_data = { 87static struct backlight_ops nvidia_bl_ops = {
88 .get_brightness = nvidia_bl_get_brightness, 88 .get_brightness = nvidia_bl_get_brightness,
89 .update_status = nvidia_bl_update_status, 89 .update_status = nvidia_bl_update_status,
90 .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
91}; 90};
92 91
93void nvidia_bl_init(struct nvidia_par *par) 92void nvidia_bl_init(struct nvidia_par *par)
@@ -107,7 +106,7 @@ void nvidia_bl_init(struct nvidia_par *par)
107 106
108 snprintf(name, sizeof(name), "nvidiabl%d", info->node); 107 snprintf(name, sizeof(name), "nvidiabl%d", info->node);
109 108
110 bd = backlight_device_register(name, info->dev, par, &nvidia_bl_data); 109 bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops);
111 if (IS_ERR(bd)) { 110 if (IS_ERR(bd)) {
112 info->bl_dev = NULL; 111 info->bl_dev = NULL;
113 printk(KERN_WARNING "nvidia: Backlight registration failed\n"); 112 printk(KERN_WARNING "nvidia: Backlight registration failed\n");
@@ -119,8 +118,9 @@ void nvidia_bl_init(struct nvidia_par *par)
119 0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL, 118 0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL,
120 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL); 119 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
121 120
122 bd->props->brightness = nvidia_bl_data.max_brightness; 121 bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
123 bd->props->power = FB_BLANK_UNBLANK; 122 bd->props.brightness = nvidia_bl_data.max_brightness;
123 bd->props.power = FB_BLANK_UNBLANK;
124 backlight_update_status(bd); 124 backlight_update_status(bd);
125 125
126 printk("nvidia: Backlight initialized (%s)\n", name); 126 printk("nvidia: Backlight initialized (%s)\n", name);
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index 3a75def01b28..f8a3d608b208 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -308,11 +308,11 @@ static int riva_bl_update_status(struct backlight_device *bd)
308 U032 tmp_pcrt, tmp_pmc; 308 U032 tmp_pcrt, tmp_pmc;
309 int level; 309 int level;
310 310
311 if (bd->props->power != FB_BLANK_UNBLANK || 311 if (bd->props.power != FB_BLANK_UNBLANK ||
312 bd->props->fb_blank != FB_BLANK_UNBLANK) 312 bd->props.fb_blank != FB_BLANK_UNBLANK)
313 level = 0; 313 level = 0;
314 else 314 else
315 level = bd->props->brightness; 315 level = bd->props.brightness;
316 316
317 tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF; 317 tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF;
318 tmp_pcrt = par->riva.PCRTC0[0x081C/4] & 0xFFFFFFFC; 318 tmp_pcrt = par->riva.PCRTC0[0x081C/4] & 0xFFFFFFFC;
@@ -329,13 +329,12 @@ static int riva_bl_update_status(struct backlight_device *bd)
329 329
330static int riva_bl_get_brightness(struct backlight_device *bd) 330static int riva_bl_get_brightness(struct backlight_device *bd)
331{ 331{
332 return bd->props->brightness; 332 return bd->props.brightness;
333} 333}
334 334
335static struct backlight_properties riva_bl_data = { 335static struct backlight_ops riva_bl_ops = {
336 .get_brightness = riva_bl_get_brightness, 336 .get_brightness = riva_bl_get_brightness,
337 .update_status = riva_bl_update_status, 337 .update_status = riva_bl_update_status,
338 .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
339}; 338};
340 339
341static void riva_bl_init(struct riva_par *par) 340static void riva_bl_init(struct riva_par *par)
@@ -355,7 +354,7 @@ static void riva_bl_init(struct riva_par *par)
355 354
356 snprintf(name, sizeof(name), "rivabl%d", info->node); 355 snprintf(name, sizeof(name), "rivabl%d", info->node);
357 356
358 bd = backlight_device_register(name, info->dev, par, &riva_bl_data); 357 bd = backlight_device_register(name, info->dev, par, &riva_bl_ops);
359 if (IS_ERR(bd)) { 358 if (IS_ERR(bd)) {
360 info->bl_dev = NULL; 359 info->bl_dev = NULL;
361 printk(KERN_WARNING "riva: Backlight registration failed\n"); 360 printk(KERN_WARNING "riva: Backlight registration failed\n");
@@ -367,8 +366,9 @@ static void riva_bl_init(struct riva_par *par)
367 MIN_LEVEL * FB_BACKLIGHT_MAX / MAX_LEVEL, 366 MIN_LEVEL * FB_BACKLIGHT_MAX / MAX_LEVEL,
368 FB_BACKLIGHT_MAX); 367 FB_BACKLIGHT_MAX);
369 368
370 bd->props->brightness = riva_bl_data.max_brightness; 369 bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
371 bd->props->power = FB_BLANK_UNBLANK; 370 bd->props.brightness = riva_bl_data.max_brightness;
371 bd->props.power = FB_BLANK_UNBLANK;
372 backlight_update_status(bd); 372 backlight_update_status(bd);
373 373
374 printk("riva: Backlight initialized (%s)\n", name); 374 printk("riva: Backlight initialized (%s)\n", name);
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 43c6d55644b5..1023ba0d6e55 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -14,8 +14,8 @@
14 14
15/* Notes on locking: 15/* Notes on locking:
16 * 16 *
17 * backlight_device->props_lock is an internal backlight lock protecting the 17 * backlight_device->ops_lock is an internal backlight lock protecting the
18 * props field and no code outside the core should need to touch it. 18 * ops pointer and no code outside the core should need to touch it.
19 * 19 *
20 * Access to update_status() is serialised by the update_lock mutex since 20 * Access to update_status() is serialised by the update_lock mutex since
21 * most drivers seem to need this and historically get it wrong. 21 * most drivers seem to need this and historically get it wrong.
@@ -30,9 +30,7 @@
30struct backlight_device; 30struct backlight_device;
31struct fb_info; 31struct fb_info;
32 32
33/* This structure defines all the properties of a backlight 33struct backlight_ops {
34 (usually attached to a LCD). */
35struct backlight_properties {
36 /* Notify the backlight driver some property has changed */ 34 /* Notify the backlight driver some property has changed */
37 int (*update_status)(struct backlight_device *); 35 int (*update_status)(struct backlight_device *);
38 /* Return the current backlight brightness (accounting for power, 36 /* Return the current backlight brightness (accounting for power,
@@ -41,7 +39,10 @@ struct backlight_properties {
41 /* Check if given framebuffer device is the one bound to this backlight; 39 /* Check if given framebuffer device is the one bound to this backlight;
42 return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */ 40 return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */
43 int (*check_fb)(struct fb_info *); 41 int (*check_fb)(struct fb_info *);
42};
44 43
44/* This structure defines all the properties of a backlight */
45struct backlight_properties {
45 /* Current User requested brightness (0 - max_brightness) */ 46 /* Current User requested brightness (0 - max_brightness) */
46 int brightness; 47 int brightness;
47 /* Maximal value for brightness (read-only) */ 48 /* Maximal value for brightness (read-only) */
@@ -54,14 +55,18 @@ struct backlight_properties {
54}; 55};
55 56
56struct backlight_device { 57struct backlight_device {
57 /* This protects the 'props' field. If 'props' is NULL, the driver that 58 /* Backlight properties */
58 registered this device has been unloaded, and if class_get_devdata() 59 struct backlight_properties props;
59 points to something in the body of that driver, it is also invalid. */ 60
60 struct mutex props_lock;
61 /* If this is NULL, the backing module is unloaded */
62 struct backlight_properties *props;
63 /* Serialise access to update_status method */ 61 /* Serialise access to update_status method */
64 struct mutex update_lock; 62 struct mutex update_lock;
63
64 /* This protects the 'ops' field. If 'ops' is NULL, the driver that
65 registered this device has been unloaded, and if class_get_devdata()
66 points to something in the body of that driver, it is also invalid. */
67 struct mutex ops_lock;
68 struct backlight_ops *ops;
69
65 /* The framebuffer notifier block */ 70 /* The framebuffer notifier block */
66 struct notifier_block fb_notif; 71 struct notifier_block fb_notif;
67 /* The class device structure */ 72 /* The class device structure */
@@ -71,13 +76,13 @@ struct backlight_device {
71static inline void backlight_update_status(struct backlight_device *bd) 76static inline void backlight_update_status(struct backlight_device *bd)
72{ 77{
73 mutex_lock(&bd->update_lock); 78 mutex_lock(&bd->update_lock);
74 if (bd->props && bd->props->update_status) 79 if (bd->ops && bd->ops->update_status)
75 bd->props->update_status(bd); 80 bd->ops->update_status(bd);
76 mutex_unlock(&bd->update_lock); 81 mutex_unlock(&bd->update_lock);
77} 82}
78 83
79extern struct backlight_device *backlight_device_register(const char *name, 84extern struct backlight_device *backlight_device_register(const char *name,
80 struct device *dev,void *devdata,struct backlight_properties *bp); 85 struct device *dev, void *devdata, struct backlight_ops *ops);
81extern void backlight_device_unregister(struct backlight_device *bd); 86extern void backlight_device_unregister(struct backlight_device *bd);
82 87
83#define to_backlight_device(obj) container_of(obj, struct backlight_device, class_dev) 88#define to_backlight_device(obj) container_of(obj, struct backlight_device, class_dev)
diff --git a/include/linux/lcd.h b/include/linux/lcd.h
index 46970af2ca89..598793c0745b 100644
--- a/include/linux/lcd.h
+++ b/include/linux/lcd.h
@@ -14,7 +14,7 @@
14 14
15/* Notes on locking: 15/* Notes on locking:
16 * 16 *
17 * lcd_device->props_lock is an internal backlight lock protecting the props 17 * lcd_device->ops_lock is an internal backlight lock protecting the ops
18 * field and no code outside the core should need to touch it. 18 * field and no code outside the core should need to touch it.
19 * 19 *
20 * Access to set_power() is serialised by the update_lock mutex since 20 * Access to set_power() is serialised by the update_lock mutex since
@@ -30,15 +30,17 @@
30struct lcd_device; 30struct lcd_device;
31struct fb_info; 31struct fb_info;
32 32
33/* This structure defines all the properties of a LCD flat panel. */
34struct lcd_properties { 33struct lcd_properties {
34 /* The maximum value for contrast (read-only) */
35 int max_contrast;
36};
37
38struct lcd_ops {
35 /* Get the LCD panel power status (0: full on, 1..3: controller 39 /* Get the LCD panel power status (0: full on, 1..3: controller
36 power on, flat panel power off, 4: full off), see FB_BLANK_XXX */ 40 power on, flat panel power off, 4: full off), see FB_BLANK_XXX */
37 int (*get_power)(struct lcd_device *); 41 int (*get_power)(struct lcd_device *);
38 /* Enable or disable power to the LCD (0: on; 4: off, see FB_BLANK_XXX) */ 42 /* Enable or disable power to the LCD (0: on; 4: off, see FB_BLANK_XXX) */
39 int (*set_power)(struct lcd_device *, int power); 43 int (*set_power)(struct lcd_device *, int power);
40 /* The maximum value for contrast (read-only) */
41 int max_contrast;
42 /* Get the current contrast setting (0-max_contrast) */ 44 /* Get the current contrast setting (0-max_contrast) */
43 int (*get_contrast)(struct lcd_device *); 45 int (*get_contrast)(struct lcd_device *);
44 /* Set LCD panel contrast */ 46 /* Set LCD panel contrast */
@@ -49,12 +51,13 @@ struct lcd_properties {
49}; 51};
50 52
51struct lcd_device { 53struct lcd_device {
52 /* This protects the 'props' field. If 'props' is NULL, the driver that 54 struct lcd_properties props;
55 /* This protects the 'ops' field. If 'ops' is NULL, the driver that
53 registered this device has been unloaded, and if class_get_devdata() 56 registered this device has been unloaded, and if class_get_devdata()
54 points to something in the body of that driver, it is also invalid. */ 57 points to something in the body of that driver, it is also invalid. */
55 struct mutex props_lock; 58 struct mutex ops_lock;
56 /* If this is NULL, the backing module is unloaded */ 59 /* If this is NULL, the backing module is unloaded */
57 struct lcd_properties *props; 60 struct lcd_ops *ops;
58 /* Serialise access to set_power method */ 61 /* Serialise access to set_power method */
59 struct mutex update_lock; 62 struct mutex update_lock;
60 /* The framebuffer notifier block */ 63 /* The framebuffer notifier block */
@@ -66,13 +69,13 @@ struct lcd_device {
66static inline void lcd_set_power(struct lcd_device *ld, int power) 69static inline void lcd_set_power(struct lcd_device *ld, int power)
67{ 70{
68 mutex_lock(&ld->update_lock); 71 mutex_lock(&ld->update_lock);
69 if (ld->props && ld->props->set_power) 72 if (ld->ops && ld->ops->set_power)
70 ld->props->set_power(ld, power); 73 ld->ops->set_power(ld, power);
71 mutex_unlock(&ld->update_lock); 74 mutex_unlock(&ld->update_lock);
72} 75}
73 76
74extern struct lcd_device *lcd_device_register(const char *name, 77extern struct lcd_device *lcd_device_register(const char *name,
75 void *devdata, struct lcd_properties *lp); 78 void *devdata, struct lcd_ops *ops);
76extern void lcd_device_unregister(struct lcd_device *ld); 79extern void lcd_device_unregister(struct lcd_device *ld);
77 80
78#define to_lcd_device(obj) container_of(obj, struct lcd_device, class_dev) 81#define to_lcd_device(obj) container_of(obj, struct lcd_device, class_dev)