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drm/radeon: give each backlight a unique id 

In cases where we have multiple radeons with backlight controls.

Should fix:
https://bugzilla.kernel.org/show_bug.cgi?id=48941

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-10-17 17:20:24 -04:00
parent 1518d7fb5d
commit 614499b4d8
2 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/radeon/atombios_encoders.c
View File

@ -184,6 +184,7 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
struct radeon_backlight_privdata *pdata; struct radeon_backlight_privdata *pdata;
struct radeon_encoder_atom_dig *dig; struct radeon_encoder_atom_dig *dig;
u8 backlight_level; u8 backlight_level;
char bl_name[16];
if (!radeon_encoder->enc_priv) if (!radeon_encoder->enc_priv)
return; return;
@ -203,7 +204,9 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
memset(&props, 0, sizeof(props)); memset(&props, 0, sizeof(props));
props.max_brightness = RADEON_MAX_BL_LEVEL; props.max_brightness = RADEON_MAX_BL_LEVEL;
props.type = BACKLIGHT_RAW; props.type = BACKLIGHT_RAW;
bd = backlight_device_register("radeon_bl", &drm_connector->kdev, snprintf(bl_name, sizeof(bl_name),
"radeon_bl%d", dev->primary->index);
bd = backlight_device_register(bl_name, &drm_connector->kdev,
pdata, &radeon_atom_backlight_ops, &props); pdata, &radeon_atom_backlight_ops, &props);
if (IS_ERR(bd)) { if (IS_ERR(bd)) {
DRM_ERROR("Backlight registration failed\n"); DRM_ERROR("Backlight registration failed\n");

5
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
View File

@ -370,6 +370,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
struct backlight_properties props; struct backlight_properties props;
struct radeon_backlight_privdata *pdata; struct radeon_backlight_privdata *pdata;
uint8_t backlight_level; uint8_t backlight_level;
char bl_name[16];
if (!radeon_encoder->enc_priv) if (!radeon_encoder->enc_priv)
return; return;
@ -389,7 +390,9 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
memset(&props, 0, sizeof(props)); memset(&props, 0, sizeof(props));
props.max_brightness = RADEON_MAX_BL_LEVEL; props.max_brightness = RADEON_MAX_BL_LEVEL;
props.type = BACKLIGHT_RAW; props.type = BACKLIGHT_RAW;
bd = backlight_device_register("radeon_bl", &drm_connector->kdev, snprintf(bl_name, sizeof(bl_name),
"radeon_bl%d", dev->primary->index);
bd = backlight_device_register(bl_name, &drm_connector->kdev,
pdata, &radeon_backlight_ops, &props); pdata, &radeon_backlight_ops, &props);
if (IS_ERR(bd)) { if (IS_ERR(bd)) {
DRM_ERROR("Backlight registration failed\n"); DRM_ERROR("Backlight registration failed\n");