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| author | Sam Ravnborg <sam@ravnborg.org> | 2019-12-07 15:03:50 +0100 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2019-12-09 22:57:27 +0100 |
| commit | e46eb37a2d829878db8eb59a11bc3de7fc94e642 (patch) | |
| tree | 86154ce4c743fa7053550d6ce202aa738de3e7fb | |
| parent | 8cc851772126379f8e34d7f8af5704c8d215fb03 (diff) | |
| download | linux-stable-e46eb37a2d829878db8eb59a11bc3de7fc94e642.tar.gz linux-stable-e46eb37a2d829878db8eb59a11bc3de7fc94e642.tar.bz2 linux-stable-e46eb37a2d829878db8eb59a11bc3de7fc94e642.zip | |
drm/panel: sitronix-st7701: 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: Jagan Teki <jagan@amarulasolutions.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191207140353.23967-23-sam@ravnborg.org
| -rw-r--r-- | drivers/gpu/drm/panel/panel-sitronix-st7701.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c index c08a865a2a93..4b4f2558e3b4 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c @@ -9,7 +9,6 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> -#include <linux/backlight.h> #include <linux/gpio/consumer.h> #include <linux/delay.h> #include <linux/module.h> @@ -103,7 +102,6 @@ struct st7701 { struct mipi_dsi_device *dsi; const struct st7701_panel_desc *desc; - struct backlight_device *backlight; struct regulator_bulk_data *supplies; struct gpio_desc *reset; unsigned int sleep_delay; @@ -223,7 +221,6 @@ static int st7701_enable(struct drm_panel *panel) struct st7701 *st7701 = panel_to_st7701(panel); ST7701_DSI(st7701, MIPI_DCS_SET_DISPLAY_ON, 0x00); - backlight_enable(st7701->backlight); return 0; } @@ -232,7 +229,6 @@ static int st7701_disable(struct drm_panel *panel) { struct st7701 *st7701 = panel_to_st7701(panel); - backlight_disable(st7701->backlight); ST7701_DSI(st7701, MIPI_DCS_SET_DISPLAY_OFF, 0x00); return 0; @@ -366,10 +362,6 @@ static int st7701_dsi_probe(struct mipi_dsi_device *dsi) return PTR_ERR(st7701->reset); } - st7701->backlight = devm_of_find_backlight(&dsi->dev); - if (IS_ERR(st7701->backlight)) - return PTR_ERR(st7701->backlight); - drm_panel_init(&st7701->panel, &dsi->dev, &st7701_funcs, DRM_MODE_CONNECTOR_DSI); @@ -384,6 +376,10 @@ static int st7701_dsi_probe(struct mipi_dsi_device *dsi) */ st7701->sleep_delay = 120 + desc->panel_sleep_delay; + ret = drm_panel_of_backlight(&st7701->panel); + if (ret) + return ret; + ret = drm_panel_add(&st7701->panel); if (ret < 0) return ret; |