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authorMatthew Garrett <mjg@redhat.com>2011-03-22 19:30:21 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-22 20:43:59 -0400
commitbb7ca747f8d6243b3943c5b133048652020f4a50 (patch)
treeb40e879a7b26e3763aea2af2d4dd9079483de11e /drivers/video/aty
parentccd7510fd8dea5b4b2af87fb2aef2ebd6b23b76b (diff)
backlight: add backlight type
There may be multiple ways of controlling the backlight on a given machine. Allow drivers to expose the type of interface they are providing, making it possible for userspace to make appropriate policy decisions. Signed-off-by: Matthew Garrett <mjg@redhat.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: David Airlie <airlied@linux.ie> Cc: Alex Deucher <alexdeucher@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Len Brown <lenb@kernel.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/aty')
-rw-r--r--drivers/video/aty/aty128fb.c1
-rw-r--r--drivers/video/aty/atyfb_base.c1
-rw-r--r--drivers/video/aty/radeon_backlight.c1
3 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 4cb6a576c567..b0b2ac335347 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1818,6 +1818,7 @@ static void aty128_bl_init(struct aty128fb_par *par)
1818 snprintf(name, sizeof(name), "aty128bl%d", info->node); 1818 snprintf(name, sizeof(name), "aty128bl%d", info->node);
1819 1819
1820 memset(&props, 0, sizeof(struct backlight_properties)); 1820 memset(&props, 0, sizeof(struct backlight_properties));
1821 props.type = BACKLIGHT_RAW;
1821 props.max_brightness = FB_BACKLIGHT_LEVELS - 1; 1822 props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
1822 bd = backlight_device_register(name, info->dev, par, &aty128_bl_data, 1823 bd = backlight_device_register(name, info->dev, par, &aty128_bl_data,
1823 &props); 1824 &props);
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 94e293fce1d2..d437b3daf1f5 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2241,6 +2241,7 @@ static void aty_bl_init(struct atyfb_par *par)
2241 snprintf(name, sizeof(name), "atybl%d", info->node); 2241 snprintf(name, sizeof(name), "atybl%d", info->node);
2242 2242
2243 memset(&props, 0, sizeof(struct backlight_properties)); 2243 memset(&props, 0, sizeof(struct backlight_properties));
2244 props.type = BACKLIGHT_RAW;
2244 props.max_brightness = FB_BACKLIGHT_LEVELS - 1; 2245 props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
2245 bd = backlight_device_register(name, info->dev, par, &aty_bl_data, 2246 bd = backlight_device_register(name, info->dev, par, &aty_bl_data,
2246 &props); 2247 &props);
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 9b811ddbce83..db572df7e1ef 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -158,6 +158,7 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
158 snprintf(name, sizeof(name), "radeonbl%d", rinfo->info->node); 158 snprintf(name, sizeof(name), "radeonbl%d", rinfo->info->node);
159 159
160 memset(&props, 0, sizeof(struct backlight_properties)); 160 memset(&props, 0, sizeof(struct backlight_properties));
161 props.type = BACKLIGHT_RAW;
161 props.max_brightness = FB_BACKLIGHT_LEVELS - 1; 162 props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
162 bd = backlight_device_register(name, rinfo->info->dev, pdata, 163 bd = backlight_device_register(name, rinfo->info->dev, pdata,
163 &radeon_bl_data, &props); 164 &radeon_bl_data, &props);