drm/panel: olimex-lcd-olinuxino: use drm_panel backlight support (d90b3b6e) · Commits · 戴 / test

drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c

+6 −12

Original line number	Diff line number	Diff line
		@@ -6,7 +6,6 @@
		* Author: Stefan Mavrodiev <stefan@olimex.com>
		*/

		#include <linux/backlight.h>
		#include <linux/crc32.h>
		#include <linux/gpio/consumer.h>
		#include <linux/i2c.h>
		@@ -68,7 +67,6 @@ struct lcd_olinuxino {
		bool prepared;
		bool enabled;

		struct backlight_device *backlight;
		struct regulator *supply;
		struct gpio_desc *enable_gpio;

		@@ -87,8 +85,6 @@ static int lcd_olinuxino_disable(struct drm_panel *panel)
		if (!lcd->enabled)
		return 0;

		backlight_disable(lcd->backlight);

		lcd->enabled = false;

		return 0;
		@@ -134,8 +130,6 @@ static int lcd_olinuxino_enable(struct drm_panel *panel)
		if (lcd->enabled)
		return 0;

		backlight_enable(lcd->backlight);

		lcd->enabled = true;

		return 0;
		@@ -283,13 +277,13 @@ static int lcd_olinuxino_probe(struct i2c_client *client,
		if (IS_ERR(lcd->enable_gpio))
		return PTR_ERR(lcd->enable_gpio);

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

		drm_panel_init(&lcd->panel, dev, &lcd_olinuxino_funcs,
		DRM_MODE_CONNECTOR_DPI);

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

		return drm_panel_add(&lcd->panel);
		}

		@@ -299,8 +293,8 @@ static int lcd_olinuxino_remove(struct i2c_client *client)

		drm_panel_remove(&panel->panel);

		lcd_olinuxino_disable(&panel->panel);
		lcd_olinuxino_unprepare(&panel->panel);
		drm_panel_disable(&panel->panel);
		drm_panel_unprepare(&panel->panel);

		return 0;
		}