video: simple_panel: add boe,nv140fhmn49 display

[oweals/u-boot.git] / drivers / video / simple_panel.c

diff --git a/drivers/video/simple_panel.c b/drivers/video/simple_panel.c
index 6c604f9bedb6a20f566963cdcde02582236cd51c..5722811117597c21a964b7f4c87504d80d00dfb8 100644 (file)
--- a/drivers/video/simple_panel.c
+++ b/drivers/video/simple_panel.c
@@ -32,6 +32,21 @@ static int simple_panel_enable_backlight(struct udevice *dev)
        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;
+
+       return 0;
+}
+
 static int simple_panel_ofdata_to_platdata(struct udevice *dev)
 {
        struct simple_panel_priv *priv = dev_get_priv(dev);
@@ -51,7 +66,7 @@ static int simple_panel_ofdata_to_platdata(struct udevice *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);
@@ -59,7 +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;
@@ -82,6 +97,7 @@ 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[] = {
@@ -89,6 +105,8 @@ static const struct udevice_id simple_panel_ids[] = {
        { .compatible = "auo,b133xtn01" },
        { .compatible = "auo,b116xw03" },
        { .compatible = "auo,b133htn01" },
+       { .compatible = "boe,nv140fhmn49" },
+       { .compatible = "lg,lb070wv8" },
        { }
 };