X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fvideo%2Fsimple_panel.c;h=5722811117597c21a964b7f4c87504d80d00dfb8;hb=ea16637525ad6a49626de3fbf01e29e1af08d29f;hp=b16151767488fb4ba42143991ef244b0fd786ed9;hpb=82d72a1b9967cff4908f22c57536c3660f794401;p=oweals%2Fu-boot.git

diff --git a/drivers/video/simple_panel.c b/drivers/video/simple_panel.c
index b161517674..5722811117 100644
--- a/drivers/video/simple_panel.c
+++ b/drivers/video/simple_panel.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2016 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -12,8 +11,6 @@
 #include <asm/gpio.h>
 #include <power/regulator.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 struct simple_panel_priv {
 	struct udevice *reg;
 	struct udevice *backlight;
@@ -25,8 +22,25 @@ static int simple_panel_enable_backlight(struct udevice *dev)
 	struct simple_panel_priv *priv = dev_get_priv(dev);
 	int ret;
 
+	debug("%s: start, backlight = '%s'\n", __func__, priv->backlight->name);
 	dm_gpio_set_value(&priv->enable, 1);
 	ret = backlight_enable(priv->backlight);
+	debug("%s: done, ret = %d\n", __func__, ret);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int simple_panel_set_backlight(struct udevice *dev, int percent)
+{
+	struct simple_panel_priv *priv = dev_get_priv(dev);
+	int ret;
+
+	debug("%s: start, backlight = '%s'\n", __func__, priv->backlight->name);
+	dm_gpio_set_value(&priv->enable, 1);
+	ret = backlight_set_brightness(priv->backlight, percent);
+	debug("%s: done, ret = %d\n", __func__, ret);
 	if (ret)
 		return ret;
 
@@ -38,19 +52,21 @@ static int simple_panel_ofdata_to_platdata(struct udevice *dev)
 	struct simple_panel_priv *priv = dev_get_priv(dev);
 	int ret;
 
-	ret = uclass_get_device_by_phandle(UCLASS_REGULATOR, dev,
-					   "power-supply", &priv->reg);
-	if (ret) {
-		debug("%s: Warning: cnnot get power supply: ret=%d\n",
-		      __func__, ret);
-		if (ret != -ENOENT)
-			return ret;
+	if (IS_ENABLED(CONFIG_DM_REGULATOR)) {
+		ret = uclass_get_device_by_phandle(UCLASS_REGULATOR, dev,
+						   "power-supply", &priv->reg);
+		if (ret) {
+			debug("%s: Warning: cannot get power supply: ret=%d\n",
+			      __func__, ret);
+			if (ret != -ENOENT)
+				return ret;
+		}
 	}
 	ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev,
 					   "backlight", &priv->backlight);
 	if (ret) {
 		debug("%s: Cannot get backlight: ret=%d\n", __func__, ret);
-		return ret;
+		return log_ret(ret);
 	}
 	ret = gpio_request_by_name(dev, "enable-gpios", 0, &priv->enable,
 				   GPIOD_IS_OUT);
@@ -58,7 +74,7 @@ static int simple_panel_ofdata_to_platdata(struct udevice *dev)
 		debug("%s: Warning: cannot get enable GPIO: ret=%d\n",
 		      __func__, ret);
 		if (ret != -ENOENT)
-			return ret;
+			return log_ret(ret);
 	}
 
 	return 0;
@@ -69,7 +85,7 @@ static int simple_panel_probe(struct udevice *dev)
 	struct simple_panel_priv *priv = dev_get_priv(dev);
 	int ret;
 
-	if (priv->reg) {
+	if (IS_ENABLED(CONFIG_DM_REGULATOR) && priv->reg) {
 		debug("%s: Enable regulator '%s'\n", __func__, priv->reg->name);
 		ret = regulator_set_enable(priv->reg, true);
 		if (ret)
@@ -81,10 +97,16 @@ static int simple_panel_probe(struct udevice *dev)
 
 static const struct panel_ops simple_panel_ops = {
 	.enable_backlight	= simple_panel_enable_backlight,
+	.set_backlight		= simple_panel_set_backlight,
 };
 
 static const struct udevice_id simple_panel_ids[] = {
 	{ .compatible = "simple-panel" },
+	{ .compatible = "auo,b133xtn01" },
+	{ .compatible = "auo,b116xw03" },
+	{ .compatible = "auo,b133htn01" },
+	{ .compatible = "boe,nv140fhmn49" },
+	{ .compatible = "lg,lb070wv8" },
 	{ }
 };