V3s_Allwinner
/
uboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

video: bridge: Allow GPIOs to be optional 

Some video bridges will not have GPIOs to control reset, etc. Allow these
to be optional.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-01-21 19:44:53 -07:00
parent 68dcdc99c5
commit d4bf91ada1
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/video/bridge/video-bridge-uclass.c
View File

@ -55,7 +55,8 @@ static int video_bridge_pre_probe(struct udevice *dev)
&uc_priv->sleep, GPIOD_IS_OUT); &uc_priv->sleep, GPIOD_IS_OUT);
if (ret) { if (ret) {
debug("%s: Could not decode sleep-gpios (%d)\n", __func__, ret); debug("%s: Could not decode sleep-gpios (%d)\n", __func__, ret);
return ret; if (ret != -ENOENT)
return ret;
} }
/* /*
* Drop this for now as we do not have driver model pinctrl support * Drop this for now as we do not have driver model pinctrl support
@ -70,7 +71,8 @@ static int video_bridge_pre_probe(struct udevice *dev)
GPIOD_IS_OUT); GPIOD_IS_OUT);
if (ret) { if (ret) {
debug("%s: Could not decode reset-gpios (%d)\n", __func__, ret); debug("%s: Could not decode reset-gpios (%d)\n", __func__, ret);
return ret; if (ret != -ENOENT)
return ret;
} }
/* /*
* Drop this for now as we do not have driver model pinctrl support * Drop this for now as we do not have driver model pinctrl support
@ -83,9 +85,10 @@ static int video_bridge_pre_probe(struct udevice *dev)
*/ */
ret = gpio_request_by_name(dev, "hotplug-gpios", 0, &uc_priv->hotplug, ret = gpio_request_by_name(dev, "hotplug-gpios", 0, &uc_priv->hotplug,
GPIOD_IS_IN); GPIOD_IS_IN);
if (ret && ret != -ENOENT) { if (ret) {
debug("%s: Could not decode hotplug (%d)\n", __func__, ret); debug("%s: Could not decode hotplug (%d)\n", __func__, ret);
return ret; if (ret != -ENOENT)
return ret;
} }
return 0; return 0;