diff options
| author | Sam Ravnborg <sam@ravnborg.org> | 2019-12-07 15:03:37 +0100 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2019-12-09 22:57:26 +0100 |
| commit | 2b33e19195cfa45887e3206d04b319f2a3724fc4 (patch) | |
| tree | 02f637210c06ab10a0ee8a3a9edc2f550bf430ac /drivers/gpu/drm/panel | |
| parent | e3e4944faa0ea4603f1a63e1816c48344667152a (diff) | |
drm/panel: ilitek-ili9881c: 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/20191207140353.23967-10-sam@ravnborg.org
Diffstat (limited to 'drivers/gpu/drm/panel')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index 31e5a4e67750..f54077c216a3 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -3,7 +3,6 @@ * Copyright (C) 2017-2018, Bootlin */ -#include <linux/backlight.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/err.h> @@ -25,7 +24,6 @@ struct ili9881c { struct drm_panel panel; struct mipi_dsi_device *dsi; - struct backlight_device *backlight; struct regulator *power; struct gpio_desc *reset; }; @@ -348,7 +346,6 @@ static int ili9881c_enable(struct drm_panel *panel) msleep(120); mipi_dsi_dcs_set_display_on(ctx->dsi); - backlight_enable(ctx->backlight); return 0; } @@ -357,7 +354,6 @@ static int ili9881c_disable(struct drm_panel *panel) { struct ili9881c *ctx = panel_to_ili9881c(panel); - backlight_disable(ctx->backlight); return mipi_dsi_dcs_set_display_off(ctx->dsi); } @@ -423,7 +419,6 @@ static const struct drm_panel_funcs ili9881c_funcs = { static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) { - struct device_node *np; struct ili9881c *ctx; int ret; @@ -448,14 +443,9 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) return PTR_ERR(ctx->reset); } - np = of_parse_phandle(dsi->dev.of_node, "backlight", 0); - if (np) { - ctx->backlight = of_find_backlight_by_node(np); - of_node_put(np); - - if (!ctx->backlight) - return -EPROBE_DEFER; - } + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; ret = drm_panel_add(&ctx->panel); if (ret < 0) @@ -475,9 +465,6 @@ static int ili9881c_dsi_remove(struct mipi_dsi_device *dsi) mipi_dsi_detach(dsi); drm_panel_remove(&ctx->panel); - if (ctx->backlight) - put_device(&ctx->backlight->dev); - return 0; } |