The enable gpio of simple-panel may be used by a simplefb or other
driver on the panel's display before the KMS driver get load.
Get the GPIO as-is, so the panel won't be disabled, and the simplefb
can work.
Signed-off-by: Icenowy Zheng <icenowy@xxxxxxxx>
---
drivers/gpu/drm/panel/panel-simple.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 113db3c..ccee4c1 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -312,7 +312,7 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
return PTR_ERR(panel->supply);
panel->enable_gpio = devm_gpiod_get_optional(dev, "enable",
- GPIOD_OUT_LOW);
+ GPIOD_ASIS);
if (IS_ERR(panel->enable_gpio)) {
err = PTR_ERR(panel->enable_gpio);
dev_err(dev, "failed to request GPIO: %d\n", err);
--
2.10.1
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