+// 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>
#include <asm/gpio.h>
#include <power/regulator.h>
-DECLARE_GLOBAL_DATA_PTR;
-
struct simple_panel_priv {
struct udevice *reg;
struct udevice *backlight;
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;
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);
debug("%s: Warning: cannot get enable GPIO: ret=%d\n",
__func__, ret);
if (ret != -ENOENT)
- return ret;
+ return log_ret(ret);
}
return 0;
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)
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" },
{ }
};