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path: root/drivers/video/backlight/lcd.c
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Diffstat (limited to 'drivers/video/backlight/lcd.c')
-rw-r--r--drivers/video/backlight/lcd.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index f95f0e33101d..959024812abc 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -67,7 +67,7 @@ static ssize_t lcd_show_power(struct class_device *cdev, char *buf)
67 struct lcd_device *ld = to_lcd_device(cdev); 67 struct lcd_device *ld = to_lcd_device(cdev);
68 68
69 down(&ld->sem); 69 down(&ld->sem);
70 if (likely(ld->props && ld->props->get_power)) 70 if (ld->props && ld->props->get_power)
71 rc = sprintf(buf, "%d\n", ld->props->get_power(ld)); 71 rc = sprintf(buf, "%d\n", ld->props->get_power(ld));
72 else 72 else
73 rc = -ENXIO; 73 rc = -ENXIO;
@@ -90,7 +90,7 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_
90 return -EINVAL; 90 return -EINVAL;
91 91
92 down(&ld->sem); 92 down(&ld->sem);
93 if (likely(ld->props && ld->props->set_power)) { 93 if (ld->props && ld->props->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->props->set_power(ld, power);
96 rc = count; 96 rc = count;
@@ -106,7 +106,7 @@ static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf)
106 struct lcd_device *ld = to_lcd_device(cdev); 106 struct lcd_device *ld = to_lcd_device(cdev);
107 107
108 down(&ld->sem); 108 down(&ld->sem);
109 if (likely(ld->props && ld->props->get_contrast)) 109 if (ld->props && ld->props->get_contrast)
110 rc = sprintf(buf, "%d\n", ld->props->get_contrast(ld)); 110 rc = sprintf(buf, "%d\n", ld->props->get_contrast(ld));
111 up(&ld->sem); 111 up(&ld->sem);
112 112
@@ -127,7 +127,7 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si
127 return -EINVAL; 127 return -EINVAL;
128 128
129 down(&ld->sem); 129 down(&ld->sem);
130 if (likely(ld->props && ld->props->set_contrast)) { 130 if (ld->props && ld->props->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->props->set_contrast(ld, contrast);
133 rc = count; 133 rc = count;
@@ -143,7 +143,7 @@ static ssize_t lcd_show_max_contrast(struct class_device *cdev, char *buf)
143 struct lcd_device *ld = to_lcd_device(cdev); 143 struct lcd_device *ld = to_lcd_device(cdev);
144 144
145 down(&ld->sem); 145 down(&ld->sem);
146 if (likely(ld->props)) 146 if (ld->props)
147 rc = sprintf(buf, "%d\n", ld->props->max_contrast); 147 rc = sprintf(buf, "%d\n", ld->props->max_contrast);
148 up(&ld->sem); 148 up(&ld->sem);
149 149
@@ -194,7 +194,7 @@ struct lcd_device *lcd_device_register(const char *name, void *devdata,
194 pr_debug("lcd_device_register: name=%s\n", name); 194 pr_debug("lcd_device_register: name=%s\n", name);
195 195
196 new_ld = kmalloc(sizeof(struct lcd_device), GFP_KERNEL); 196 new_ld = kmalloc(sizeof(struct lcd_device), GFP_KERNEL);
197 if (unlikely(!new_ld)) 197 if (!new_ld)
198 return ERR_PTR(-ENOMEM); 198 return ERR_PTR(-ENOMEM);
199 199
200 init_MUTEX(&new_ld->sem); 200 init_MUTEX(&new_ld->sem);
@@ -205,7 +205,7 @@ struct lcd_device *lcd_device_register(const char *name, void *devdata,
205 class_set_devdata(&new_ld->class_dev, devdata); 205 class_set_devdata(&new_ld->class_dev, devdata);
206 206
207 rc = class_device_register(&new_ld->class_dev); 207 rc = class_device_register(&new_ld->class_dev);
208 if (unlikely(rc)) { 208 if (rc) {
209 kfree(new_ld); 209 kfree(new_ld);
210 return ERR_PTR(rc); 210 return ERR_PTR(rc);
211 } 211 }
@@ -219,7 +219,7 @@ struct lcd_device *lcd_device_register(const char *name, void *devdata,
219 for (i = 0; i < ARRAY_SIZE(lcd_class_device_attributes); i++) { 219 for (i = 0; i < ARRAY_SIZE(lcd_class_device_attributes); i++) {
220 rc = class_device_create_file(&new_ld->class_dev, 220 rc = class_device_create_file(&new_ld->class_dev,
221 &lcd_class_device_attributes[i]); 221 &lcd_class_device_attributes[i]);
222 if (unlikely(rc)) { 222 if (rc) {
223 while (--i >= 0) 223 while (--i >= 0)
224 class_device_remove_file(&new_ld->class_dev, 224 class_device_remove_file(&new_ld->class_dev,
225 &lcd_class_device_attributes[i]); 225 &lcd_class_device_attributes[i]);