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drm/radeon: fix compilation with backlight disabled

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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-10-04 09:10:10 -04:00
parent a1871936c0
commit cd23492af3
2 changed files with 23 additions and 21 deletions
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2
drivers/gpu/drm/radeon/radeon_acpi.c
View File

@ -370,6 +370,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
radeon_set_backlight_level(rdev, enc, req.backlight_level);
#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
if (rdev->is_atom_bios) {
struct radeon_encoder_atom_dig *dig = enc->enc_priv;
backlight_force_update(dig->bl_dev,
@ -379,6 +380,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
backlight_force_update(dig->bl_dev,
BACKLIGHT_UPDATE_HOTKEY);
}
#endif
}
}
/* TODO: check other events */

42
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
View File

@ -269,27 +269,6 @@ static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
.disable = radeon_legacy_encoder_disable,
};
#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
{
struct radeon_backlight_privdata *pdata = bl_get_data(bd);
uint8_t level;
/* Convert brightness to hardware level */
if (bd->props.brightness < 0)
level = 0;
else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
level = RADEON_MAX_BL_LEVEL;
else
level = bd->props.brightness;
if (pdata->negative)
level = RADEON_MAX_BL_LEVEL - level;
return level;
}
u8
radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
{
@ -331,6 +310,27 @@ radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 leve
radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
}
#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
{
struct radeon_backlight_privdata *pdata = bl_get_data(bd);
uint8_t level;
/* Convert brightness to hardware level */
if (bd->props.brightness < 0)
level = 0;
else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
level = RADEON_MAX_BL_LEVEL;
else
level = bd->props.brightness;
if (pdata->negative)
level = RADEON_MAX_BL_LEVEL - level;
return level;
}
static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
{
struct radeon_backlight_privdata *pdata = bl_get_data(bd);