119 static u8 amdgpu_atombios_encoder_backlight_level(struct backlight_device *bd)  in amdgpu_atombios_encoder_backlight_level()  argument
124 	if (bd->props.brightness < 0)  in amdgpu_atombios_encoder_backlight_level()
126 	else if (bd->props.brightness > AMDGPU_MAX_BL_LEVEL)  in amdgpu_atombios_encoder_backlight_level()
129 		level = bd->props.brightness;  in amdgpu_atombios_encoder_backlight_level()
134 static int amdgpu_atombios_encoder_update_backlight_status(struct backlight_device *bd)  in amdgpu_atombios_encoder_update_backlight_status()  argument
136 	struct amdgpu_backlight_privdata *pdata = bl_get_data(bd);  in amdgpu_atombios_encoder_update_backlight_status()
140 					     amdgpu_atombios_encoder_backlight_level(bd));  in amdgpu_atombios_encoder_update_backlight_status()
146 amdgpu_atombios_encoder_get_backlight_brightness(struct backlight_device *bd)  in amdgpu_atombios_encoder_get_backlight_brightness()  argument
148 	struct amdgpu_backlight_privdata *pdata = bl_get_data(bd);  in amdgpu_atombios_encoder_get_backlight_brightness()
166 	struct backlight_device *bd;  in amdgpu_atombios_encoder_init_backlight()  local
200 	bd = backlight_device_register(bl_name, drm_connector->kdev,  in amdgpu_atombios_encoder_init_backlight()
202 	if (IS_ERR(bd)) {  in amdgpu_atombios_encoder_init_backlight()
212 	dig->bl_dev = bd;  in amdgpu_atombios_encoder_init_backlight()
214 	bd->props.brightness = amdgpu_atombios_encoder_get_backlight_brightness(bd);  in amdgpu_atombios_encoder_init_backlight()
215 	bd->props.power = FB_BLANK_UNBLANK;  in amdgpu_atombios_encoder_init_backlight()
216 	backlight_update_status(bd);  in amdgpu_atombios_encoder_init_backlight()
232 	struct backlight_device *bd = NULL;  in amdgpu_atombios_encoder_fini_backlight()  local
245 	bd = dig->bl_dev;  in amdgpu_atombios_encoder_fini_backlight()
248 	if (bd) {  in amdgpu_atombios_encoder_fini_backlight()
251 		pdata = bl_get_data(bd);  in amdgpu_atombios_encoder_fini_backlight()
252 		backlight_device_unregister(bd);  in amdgpu_atombios_encoder_fini_backlight()