[PATCH 2/2] drm: bridge: add enable gpio for display-connector

[Prahlad Valluru]

In some cases, need gpio to be set for the connector
enable. Add optional enable gpio to display-connector.

Signed-off-by: Prahlad Valluru <venkata.valluru@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/bridge/display-connector.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/bridge/display-connector.c b/drivers/gpu/drm/bridge/display-connector.c
index e9f16dbc9535..52f5e4175e64 100644
--- a/drivers/gpu/drm/bridge/display-connector.c
+++ b/drivers/gpu/drm/bridge/display-connector.c
@@ -21,6 +21,7 @@ struct display_connector {
 	struct drm_bridge	bridge;
 
 	struct gpio_desc	*hpd_gpio;
+	struct gpio_desc	*enable_gpio;
 	int			hpd_irq;
 
 	struct regulator	*supply;
@@ -298,6 +299,12 @@ static int display_connector_probe(struct platform_device *pdev)
 					     "Unable to retrieve HPD GPIO\n");
 
 		conn->hpd_irq = gpiod_to_irq(conn->hpd_gpio);
+
+		conn->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable",
+							 GPIOD_OUT_HIGH);
+		if (IS_ERR(conn->enable_gpio))
+			return dev_err_probe(&pdev->dev, PTR_ERR(conn->enable_gpio),
+					     "Unable to retrieve enable GPIO\n");
 	} else {
 		conn->hpd_irq = -EINVAL;
 	}

-- 
2.34.1