drm/panel: tpo-tpg110: use drm_panel backlight support (11f39d52) · Commits · 戴 / test

drivers/gpu/drm/panel/panel-tpo-tpg110.c

+6 −14

Original line number	Diff line number	Diff line
		@@ -14,13 +14,13 @@
		#include <drm/drm_panel.h>
		#include <drm/drm_print.h>

		#include <linux/backlight.h>
		#include <linux/bitops.h>
		#include <linux/delay.h>
		#include <linux/gpio/consumer.h>
		#include <linux/init.h>
		#include <linux/kernel.h>
		#include <linux/module.h>
		#include <linux/of.h>
		#include <linux/platform_device.h>
		#include <linux/spi/spi.h>

		@@ -76,10 +76,6 @@ struct tpg110 {
		* @panel: the DRM panel instance for this device
		*/
		struct drm_panel panel;
		/**
		* @backlight: backlight for this panel
		*/
		struct backlight_device *backlight;
		/**
		* @panel_type: the panel mode as detected
		*/
		@@ -356,8 +352,6 @@ static int tpg110_disable(struct drm_panel *panel)
		val &= ~TPG110_CTRL2_PM;
		tpg110_write_reg(tpg, TPG110_CTRL2_PM, val);

		backlight_disable(tpg->backlight);

		return 0;
		}

		@@ -366,8 +360,6 @@ static int tpg110_enable(struct drm_panel *panel)
		struct tpg110 *tpg = to_tpg110(panel);
		u8 val;

		backlight_enable(tpg->backlight);

		/* Take chip out of standby */
		val = tpg110_read_reg(tpg, TPG110_CTRL2_PM);
		val \|= TPG110_CTRL2_PM;
		@@ -432,11 +424,6 @@ static int tpg110_probe(struct spi_device *spi)
		if (ret)
		DRM_DEV_ERROR(dev, "no panel height specified\n");

		/* Look for some optional backlight */
		tpg->backlight = devm_of_find_backlight(dev);
		if (IS_ERR(tpg->backlight))
		return PTR_ERR(tpg->backlight);

		/* This asserts the GRESTB signal, putting the display into reset */
		tpg->grestb = devm_gpiod_get(dev, "grestb", GPIOD_OUT_HIGH);
		if (IS_ERR(tpg->grestb)) {
		@@ -459,6 +446,11 @@ static int tpg110_probe(struct spi_device *spi)

		drm_panel_init(&tpg->panel, dev, &tpg110_drm_funcs,
		DRM_MODE_CONNECTOR_DPI);

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

		spi_set_drvdata(spi, tpg);

		return drm_panel_add(&tpg->panel);

Admin message