3  * shmob_drm_backlight.c  --  SH Mobile DRM Backlight
10 #include <linux/backlight.h>
20 	const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight;  in shmob_drm_backlight_update()
34 	const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight;  in shmob_drm_backlight_get_brightness()
47 	if (scon->backlight == NULL)  in shmob_drm_backlight_dpms()
50 	scon->backlight->props.power = mode == DRM_MODE_DPMS_ON  in shmob_drm_backlight_dpms()
52 	backlight_update_status(scon->backlight);  in shmob_drm_backlight_dpms()
58 	const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight;  in shmob_drm_backlight_init()
61 	struct backlight_device *backlight;  in shmob_drm_backlight_init()  local
66 	backlight = backlight_device_register(bdata->name, dev->dev, scon,  in shmob_drm_backlight_init()
68 	if (IS_ERR(backlight)) {  in shmob_drm_backlight_init()
69 		dev_err(dev->dev, "unable to register backlight device: %ld\n",  in shmob_drm_backlight_init()
70 			PTR_ERR(backlight));  in shmob_drm_backlight_init()
71 		return PTR_ERR(backlight);  in shmob_drm_backlight_init()
74 	backlight->props.max_brightness = bdata->max_brightness;  in shmob_drm_backlight_init()
75 	backlight->props.brightness = bdata->max_brightness;  in shmob_drm_backlight_init()
76 	backlight->props.power = FB_BLANK_POWERDOWN;  in shmob_drm_backlight_init()
77 	backlight_update_status(backlight);  in shmob_drm_backlight_init()
79 	scon->backlight = backlight;  in shmob_drm_backlight_init()
85 	backlight_device_unregister(scon->backlight);  in shmob_drm_backlight_exit()