diff options
| -rw-r--r-- | drivers/gpu/drm/omapdrm/displays/panel-dpi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c index 7c2331be8d15..9dc1c2f1fbc1 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c @@ -213,6 +213,16 @@ static int panel_dpi_probe_of(struct platform_device *pdev) ddata->enable_gpio = gpio; + /* + * Many different panels are supported by this driver and there are + * probably very different needs for their reset pins in regards to + * timing and order relative to the enable gpio. So for now it's just + * ensured that the reset line isn't active. + */ + gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(gpio)) + return PTR_ERR(gpio); + ddata->backlight_gpio = -ENOENT; r = of_get_display_timing(node, "panel-timing", &timing); |