diff options
| author | Sam Ravnborg <sam@ravnborg.org> | 2019-12-07 15:03:38 +0100 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2019-12-09 22:57:26 +0100 |
| commit | 16793e00a3c17f639e0610549e62c1116a7da1f0 (patch) | |
| tree | 1bedc223f5603da73778a6a5e3ccf21b70d9c9cf | |
| parent | 2b33e19195cfa45887e3206d04b319f2a3724fc4 (diff) | |
drm/panel: innolux-p079zca: use drm_panel backlight support
Use the backlight support in drm_panel to simplify the driver
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191207140353.23967-11-sam@ravnborg.org
| -rw-r--r-- | drivers/gpu/drm/panel/panel-innolux-p079zca.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index b9de37a8a0c5..7419f1f0acee 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -3,7 +3,6 @@ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd */ -#include <linux/backlight.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/module.h> @@ -52,7 +51,6 @@ struct innolux_panel { struct mipi_dsi_device *link; const struct panel_desc *desc; - struct backlight_device *backlight; struct regulator_bulk_data *supplies; struct gpio_desc *enable_gpio; @@ -72,8 +70,6 @@ static int innolux_panel_disable(struct drm_panel *panel) if (!innolux->enabled) return 0; - backlight_disable(innolux->backlight); - innolux->enabled = false; return 0; @@ -204,18 +200,10 @@ poweroff: static int innolux_panel_enable(struct drm_panel *panel) { struct innolux_panel *innolux = to_innolux_panel(panel); - int ret; if (innolux->enabled) return 0; - ret = backlight_enable(innolux->backlight); - if (ret) { - DRM_DEV_ERROR(panel->dev, - "Failed to enable backlight %d\n", ret); - return ret; - } - innolux->enabled = true; return 0; @@ -482,13 +470,13 @@ static int innolux_panel_add(struct mipi_dsi_device *dsi, innolux->enable_gpio = NULL; } - innolux->backlight = devm_of_find_backlight(dev); - if (IS_ERR(innolux->backlight)) - return PTR_ERR(innolux->backlight); - drm_panel_init(&innolux->base, dev, &innolux_panel_funcs, DRM_MODE_CONNECTOR_DSI); + err = drm_panel_of_backlight(&innolux->base); + if (err) + return err; + err = drm_panel_add(&innolux->base); if (err < 0) return err; @@ -526,12 +514,12 @@ static int innolux_panel_remove(struct mipi_dsi_device *dsi) struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi); int err; - err = innolux_panel_unprepare(&innolux->base); + err = drm_panel_unprepare(&innolux->base); if (err < 0) DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n", err); - err = innolux_panel_disable(&innolux->base); + err = drm_panel_disable(&innolux->base); if (err < 0) DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n", err); @@ -549,8 +537,8 @@ static void innolux_panel_shutdown(struct mipi_dsi_device *dsi) { struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi); - innolux_panel_unprepare(&innolux->base); - innolux_panel_disable(&innolux->base); + drm_panel_unprepare(&innolux->base); + drm_panel_disable(&innolux->base); } static struct mipi_dsi_driver innolux_panel_driver = { |