drm/panel: ilitek-ili9881c: use drm_panel backlight support (2b33e191) · Commits · 戴 / test

drivers/gpu/drm/panel/panel-ilitek-ili9881c.c

+3 −16

Original line number	Diff line number	Diff line
		@@ -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;
		}