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| author | Sam Ravnborg <sam@ravnborg.org> | 2019-12-07 15:03:46 +0100 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2019-12-09 22:57:27 +0100 |
| commit | d2895af5dc8f4985e3c99a36288e545fab65237d (patch) | |
| tree | c1212372287c0ec38b5bcdf3eea41a2afbf5a0b0 | |
| parent | 83d4ed8634da5a592620a08de04af47c7769410c (diff) | |
| download | linux-stable-d2895af5dc8f4985e3c99a36288e545fab65237d.tar.gz linux-stable-d2895af5dc8f4985e3c99a36288e545fab65237d.tar.bz2 linux-stable-d2895af5dc8f4985e3c99a36288e545fab65237d.zip | |
drm/panel: ronbo-rb070d30: 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/20191207140353.23967-19-sam@ravnborg.org
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ronbo-rb070d30.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c b/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c index 746a3a221100..ef18559e237e 100644 --- a/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c +++ b/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c @@ -7,7 +7,6 @@ * This file based on panel-ilitek-ili9881c.c */ -#include <linux/backlight.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/err.h> @@ -29,7 +28,6 @@ struct rb070d30_panel { struct drm_panel panel; struct mipi_dsi_device *dsi; - struct backlight_device *backlight; struct regulator *supply; struct { @@ -84,22 +82,13 @@ static int rb070d30_panel_enable(struct drm_panel *panel) if (ret) return ret; - ret = backlight_enable(ctx->backlight); - if (ret) - goto out; - return 0; - -out: - mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); - return ret; } static int rb070d30_panel_disable(struct drm_panel *panel) { struct rb070d30_panel *ctx = panel_to_rb070d30_panel(panel); - backlight_disable(ctx->backlight); return mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); } @@ -208,11 +197,9 @@ static int rb070d30_panel_dsi_probe(struct mipi_dsi_device *dsi) return PTR_ERR(ctx->gpios.shlr); } - ctx->backlight = devm_of_find_backlight(&dsi->dev); - if (IS_ERR(ctx->backlight)) { - DRM_DEV_ERROR(&dsi->dev, "Couldn't get our backlight\n"); - return PTR_ERR(ctx->backlight); - } + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; ret = drm_panel_add(&ctx->panel); if (ret < 0) |