diff options
| author | Sam Ravnborg <sam@ravnborg.org> | 2019-12-07 15:03:49 +0100 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2019-12-09 22:57:27 +0100 |
| commit | 8cc851772126379f8e34d7f8af5704c8d215fb03 (patch) | |
| tree | e841bff11b644a2d24c7aa7a703a19843509afe0 | |
| parent | 8bc0b560982b6c1a660629c3f8d8ff0ea8044596 (diff) | |
| download | linux-8cc851772126379f8e34d7f8af5704c8d215fb03.tar.bz2 | |
drm/panel: sharp-ls043t1le01: 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/20191207140353.23967-22-sam@ravnborg.org
| -rw-r--r-- | drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c index 97f82ec93c83..ce586c6d70c7 100644 --- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c +++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c @@ -7,7 +7,6 @@ * Based on AUO panel driver by Rob Clark <robdclark@gmail.com> */ -#include <linux/backlight.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/module.h> @@ -25,7 +24,6 @@ struct sharp_nt_panel { struct drm_panel base; struct mipi_dsi_device *dsi; - struct backlight_device *backlight; struct regulator *supply; struct gpio_desc *reset_gpio; @@ -107,8 +105,6 @@ static int sharp_nt_panel_disable(struct drm_panel *panel) if (!sharp_nt->enabled) return 0; - backlight_disable(sharp_nt->backlight); - sharp_nt->enabled = false; return 0; @@ -190,8 +186,6 @@ static int sharp_nt_panel_enable(struct drm_panel *panel) if (sharp_nt->enabled) return 0; - backlight_enable(sharp_nt->backlight); - sharp_nt->enabled = true; return 0; @@ -244,6 +238,7 @@ static const struct drm_panel_funcs sharp_nt_panel_funcs = { static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt) { struct device *dev = &sharp_nt->dsi->dev; + int ret; sharp_nt->mode = &default_mode; @@ -260,14 +255,13 @@ static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt) gpiod_set_value(sharp_nt->reset_gpio, 0); } - sharp_nt->backlight = devm_of_find_backlight(dev); - - if (IS_ERR(sharp_nt->backlight)) - return PTR_ERR(sharp_nt->backlight); - drm_panel_init(&sharp_nt->base, &sharp_nt->dsi->dev, &sharp_nt_panel_funcs, DRM_MODE_CONNECTOR_DSI); + ret = drm_panel_of_backlight(&sharp_nt->base); + if (ret) + return ret; + return drm_panel_add(&sharp_nt->base); } @@ -309,7 +303,7 @@ static int sharp_nt_panel_remove(struct mipi_dsi_device *dsi) struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi); int ret; - ret = sharp_nt_panel_disable(&sharp_nt->base); + ret = drm_panel_disable(&sharp_nt->base); if (ret < 0) dev_err(&dsi->dev, "failed to disable panel: %d\n", ret); @@ -326,7 +320,7 @@ static void sharp_nt_panel_shutdown(struct mipi_dsi_device *dsi) { struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi); - sharp_nt_panel_disable(&sharp_nt->base); + drm_panel_disable(&sharp_nt->base); } static const struct of_device_id sharp_nt_of_match[] = { |