drm/panel: tpo-td028ttec1: use drm_panel backlight support (3555339f) · Commits · 戴 / test

drivers/gpu/drm/panel/panel-tpo-td028ttec1.c

+4 −10

Original line number	Diff line number	Diff line
		@@ -17,7 +17,6 @@
		* H. Nikolaus Schaller <hns@goldelico.com>
		*/

		#include <linux/backlight.h>
		#include <linux/delay.h>
		#include <linux/module.h>
		#include <linux/spi/spi.h>
		@@ -83,7 +82,6 @@ struct td028ttec1_panel {
		struct drm_panel panel;

		struct spi_device *spi;
		struct backlight_device *backlight;
		};

		#define to_td028ttec1_device(p) container_of(p, struct td028ttec1_panel, panel)
		@@ -243,8 +241,6 @@ static int td028ttec1_enable(struct drm_panel *panel)
		if (ret)
		return ret;

		backlight_enable(lcd->backlight);

		return 0;
		}

		@@ -252,8 +248,6 @@ static int td028ttec1_disable(struct drm_panel *panel)
		{
		struct td028ttec1_panel *lcd = to_td028ttec1_device(panel);

		backlight_disable(lcd->backlight);

		jbt_ret_write_0(lcd, JBT_REG_DISPLAY_OFF, NULL);

		return 0;
		@@ -334,10 +328,6 @@ static int td028ttec1_probe(struct spi_device *spi)
		spi_set_drvdata(spi, lcd);
		lcd->spi = spi;

		lcd->backlight = devm_of_find_backlight(&spi->dev);
		if (IS_ERR(lcd->backlight))
		return PTR_ERR(lcd->backlight);

		spi->mode = SPI_MODE_3;
		spi->bits_per_word = 9;

		@@ -350,6 +340,10 @@ static int td028ttec1_probe(struct spi_device *spi)
		drm_panel_init(&lcd->panel, &lcd->spi->dev, &td028ttec1_funcs,
		DRM_MODE_CONNECTOR_DPI);

		ret = drm_panel_of_backlight(&lcd->panel);
		if (ret)
		return ret;

		return drm_panel_add(&lcd->panel);
		}