video: tegra20: dc: support binding child devices

Implement child binding helper within DC bind to support DC PWM backlight
feature.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>

diff --git a/drivers/video/tegra20/tegra-dc.c b/drivers/video/tegra20/tegra-dc.c
index 516a397..1f43153 100644 (file)
--- a/drivers/video/tegra20/tegra-dc.c
+++ b/drivers/video/tegra20/tegra-dc.c
@@ -632,7 +632,7 @@ static int tegra_lcd_bind(struct udevice *dev)
        plat->size = LCD_MAX_WIDTH * LCD_MAX_HEIGHT *
                (1 << LCD_MAX_LOG2_BPP) / 8;
 
-       return 0;
+       return dm_scan_fdt_dev(dev);
 }
 
 static const struct tegra_dc_soc_info tegra20_dc_soc_info = {