In some cases, need gpio to be set for the connector enable. Add optional enable gpio to display-connector.
Signed-off-by: Prahlad Valluru <[email protected]> --- 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
