[PATCH v2 6/7] video: bridge: ssd2825: shift the init sequence by one step earlier

[Svyatoslav Ryhel]

Shift all setup stages one step earlier to better fit the
existing uclass.

Signed-off-by: Svyatoslav Ryhel <clamo...@gmail.com>
---
 drivers/video/bridge/ssd2825.c | 86 ++++++++++++++++++----------------
 1 file changed, 45 insertions(+), 41 deletions(-)

diff --git a/drivers/video/bridge/ssd2825.c b/drivers/video/bridge/ssd2825.c
index cea20dcffa..f0ef3dafb9 100644
--- a/drivers/video/bridge/ssd2825.c
+++ b/drivers/video/bridge/ssd2825.c
@@ -349,39 +349,6 @@ static int ssd2825_bridge_enable_panel(struct udevice *dev)
        struct ssd2825_bridge_priv *priv = dev_get_priv(dev);
        struct mipi_dsi_device *device = &priv->device;
        struct display_timing *dt = &priv->timing;
-       int ret;
-
-       ret = clk_prepare_enable(priv->tx_clk);
-       if (ret) {
-               log_err("error enabling tx_clk (%d)\n", ret);
-               return ret;
-       }
-
-       ret = dm_gpio_set_value(&priv->power_gpio, 1);
-       if (ret) {
-               log_err("error changing power-gpios (%d)\n", ret);
-               return ret;
-       }
-       mdelay(10);
-
-       ret = dm_gpio_set_value(&priv->reset_gpio, 0);
-       if (ret) {
-               log_err("error changing reset-gpios (%d)\n", ret);
-               return ret;
-       }
-       mdelay(10);
-
-       ret = dm_gpio_set_value(&priv->reset_gpio, 1);
-       if (ret) {
-               log_err("error changing reset-gpios (%d)\n", ret);
-               return ret;
-       }
-       mdelay(10);
-
-       /* Perform panel HW setup */
-       ret = panel_enable_backlight(priv->panel);
-       if (ret)
-               return ret;
 
        /* Perform SW reset */
        ssd2825_write_register(dev, SSD2825_OPERATION_CTRL_REG, 0x0100);
@@ -417,17 +384,15 @@ static int ssd2825_bridge_enable_panel(struct udevice 
*dev)
                               SSD2825_CONF_REG_ECD | SSD2825_CONF_REG_EOT);
        ssd2825_write_register(dev, SSD2825_VC_CTRL_REG, 0x0000);
 
-       /* Set up SW panel configuration */
-       ret = panel_set_backlight(priv->panel, BACKLIGHT_DEFAULT);
-       if (ret)
-               return ret;
-
-       return 0;
+       /* Perform panel setup */
+       return panel_enable_backlight(priv->panel);
 }
 
 static int ssd2825_bridge_set_panel(struct udevice *dev, int percent)
 {
-       return 0;
+       struct ssd2825_bridge_priv *priv = dev_get_priv(dev);
+
+       return panel_set_backlight(priv->panel, percent);
 }
 
 static int ssd2825_bridge_panel_timings(struct udevice *dev,
@@ -440,6 +405,45 @@ static int ssd2825_bridge_panel_timings(struct udevice 
*dev,
        return 0;
 }
 
+static int ssd2825_bridge_hw_init(struct udevice *dev)
+{
+       struct ssd2825_bridge_priv *priv = dev_get_priv(dev);
+       int ret;
+
+       ret = clk_prepare_enable(priv->tx_clk);
+       if (ret) {
+               log_debug("%s: error enabling tx_clk (%d)\n",
+                         __func__, ret);
+               return ret;
+       }
+
+       ret = dm_gpio_set_value(&priv->power_gpio, 1);
+       if (ret) {
+               log_debug("%s: error changing power-gpios (%d)\n",
+                         __func__, ret);
+               return ret;
+       }
+       mdelay(10);
+
+       ret = dm_gpio_set_value(&priv->reset_gpio, 0);
+       if (ret) {
+               log_debug("%s: error changing reset-gpios (%d)\n",
+                         __func__, ret);
+               return ret;
+       }
+       mdelay(10);
+
+       ret = dm_gpio_set_value(&priv->reset_gpio, 1);
+       if (ret) {
+               log_debug("%s: error changing reset-gpios (%d)\n",
+                         __func__, ret);
+               return ret;
+       }
+       mdelay(10);
+
+       return 0;
+}
+
 static int ssd2825_bridge_probe(struct udevice *dev)
 {
        struct ssd2825_bridge_priv *priv = dev_get_priv(dev);
@@ -496,7 +500,7 @@ static int ssd2825_bridge_probe(struct udevice *dev)
                return PTR_ERR(priv->tx_clk);
        }
 
-       return 0;
+       return ssd2825_bridge_hw_init(dev);
 }
 
 static const struct panel_ops ssd2825_bridge_ops = {
-- 
2.40.1