diff options
Diffstat (limited to 'drivers/gpu/drm/shmobile/shmob_drm_backlight.c')
| -rw-r--r-- | drivers/gpu/drm/shmobile/shmob_drm_backlight.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_backlight.c b/drivers/gpu/drm/shmobile/shmob_drm_backlight.c deleted file mode 100644 index 463aee18f774..000000000000 --- a/drivers/gpu/drm/shmobile/shmob_drm_backlight.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * shmob_drm_backlight.c -- SH Mobile DRM Backlight - * - * Copyright (C) 2012 Renesas Corporation - * - * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/backlight.h> - -#include "shmob_drm_backlight.h" -#include "shmob_drm_crtc.h" -#include "shmob_drm_drv.h" - -static int shmob_drm_backlight_update(struct backlight_device *bdev) -{ - struct shmob_drm_connector *scon = bl_get_data(bdev); - struct shmob_drm_device *sdev = scon->connector.dev->dev_private; - const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight; - int brightness = bdev->props.brightness; - - if (bdev->props.power != FB_BLANK_UNBLANK || - bdev->props.state & BL_CORE_SUSPENDED) - brightness = 0; - - return bdata->set_brightness(brightness); -} - -static int shmob_drm_backlight_get_brightness(struct backlight_device *bdev) -{ - struct shmob_drm_connector *scon = bl_get_data(bdev); - struct shmob_drm_device *sdev = scon->connector.dev->dev_private; - const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight; - - return bdata->get_brightness(); -} - -static const struct backlight_ops shmob_drm_backlight_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = shmob_drm_backlight_update, - .get_brightness = shmob_drm_backlight_get_brightness, -}; - -void shmob_drm_backlight_dpms(struct shmob_drm_connector *scon, int mode) -{ - if (scon->backlight == NULL) - return; - - scon->backlight->props.power = mode == DRM_MODE_DPMS_ON - ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; - backlight_update_status(scon->backlight); -} - -int shmob_drm_backlight_init(struct shmob_drm_connector *scon) -{ - struct shmob_drm_device *sdev = scon->connector.dev->dev_private; - const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight; - struct drm_connector *connector = &scon->connector; - struct drm_device *dev = connector->dev; - struct backlight_device *backlight; - - if (!bdata->max_brightness) - return 0; - - backlight = backlight_device_register(bdata->name, dev->dev, scon, - &shmob_drm_backlight_ops, NULL); - if (IS_ERR(backlight)) { - dev_err(dev->dev, "unable to register backlight device: %ld\n", - PTR_ERR(backlight)); - return PTR_ERR(backlight); - } - - backlight->props.max_brightness = bdata->max_brightness; - backlight->props.brightness = bdata->max_brightness; - backlight->props.power = FB_BLANK_POWERDOWN; - backlight_update_status(backlight); - - scon->backlight = backlight; - return 0; -} - -void shmob_drm_backlight_exit(struct shmob_drm_connector *scon) -{ - backlight_device_unregister(scon->backlight); -} |
