drm/radeon: fix compilation with backlight disabled
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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a1871936c0
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cd23492af3
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@ -370,6 +370,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
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radeon_set_backlight_level(rdev, enc, req.backlight_level);
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#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
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if (rdev->is_atom_bios) {
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struct radeon_encoder_atom_dig *dig = enc->enc_priv;
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backlight_force_update(dig->bl_dev,
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@ -379,6 +380,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
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backlight_force_update(dig->bl_dev,
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BACKLIGHT_UPDATE_HOTKEY);
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}
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#endif
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}
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}
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/* TODO: check other events */
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@ -269,27 +269,6 @@ static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
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.disable = radeon_legacy_encoder_disable,
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};
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#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
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static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
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{
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struct radeon_backlight_privdata *pdata = bl_get_data(bd);
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uint8_t level;
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/* Convert brightness to hardware level */
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if (bd->props.brightness < 0)
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level = 0;
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else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
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level = RADEON_MAX_BL_LEVEL;
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else
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level = bd->props.brightness;
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if (pdata->negative)
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level = RADEON_MAX_BL_LEVEL - level;
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return level;
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}
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u8
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radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
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{
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@ -331,6 +310,27 @@ radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 leve
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radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
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}
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#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
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static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
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{
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struct radeon_backlight_privdata *pdata = bl_get_data(bd);
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uint8_t level;
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/* Convert brightness to hardware level */
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if (bd->props.brightness < 0)
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level = 0;
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else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
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level = RADEON_MAX_BL_LEVEL;
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else
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level = bd->props.brightness;
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if (pdata->negative)
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level = RADEON_MAX_BL_LEVEL - level;
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return level;
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}
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static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
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{
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struct radeon_backlight_privdata *pdata = bl_get_data(bd);
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