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dm: video: bridge: don't fail to activate bridge if reset or sleep GPIO is missing

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Both GPIOs are optional, so we shouldn't fail if any is missing.
Without this fix reset is not deasserted if sleep GPIO is missing.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Cc: Vagrant Cascadian <vagrant@debian.org>
This commit is contained in:
Vasily Khoruzhick 2018-11-05 20:24:29 -08:00 committed by Jagan Teki
parent 20940ef2a3
commit 8336a43792
1 changed files with 11 additions and 5 deletions
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16
drivers/video/bridge/video-bridge-uclass.c
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@ -106,13 +106,19 @@ static int video_bridge_pre_probe(struct udevice *dev)
int video_bridge_set_active(struct udevice *dev, bool active)
{
struct video_bridge_priv *uc_priv = dev_get_uclass_priv(dev);
int ret;
int ret = 0;
debug("%s: %d\n", __func__, active);
ret = dm_gpio_set_value(&uc_priv->sleep, !active);
if (ret)
return ret;
if (active) {
if (uc_priv->sleep.dev) {
ret = dm_gpio_set_value(&uc_priv->sleep, !active);
if (ret)
return ret;
}
if (!active)
return 0;
if (uc_priv->reset.dev) {
ret = dm_gpio_set_value(&uc_priv->reset, true);
if (ret)
return ret;