[PATCH v2 2/6] drm/bridge: ti-sn65dsi86: Make enable GPIO optional

Laurent Pinchart laurent.pinchart+renesas at ideasonboard.com
Thu Jun 24 00:03:00 UTC 2021


The enable signal may not be controllable by the kernel. Make it
optional.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>
Reviewed-by: Stephen Boyd <swboyd at chromium.org>
Reviewed-by: Douglas Anderson <dianders at chromium.org>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 5d712c8c3c3b..f0c7c6d4b2c1 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -1459,7 +1459,8 @@ static int ti_sn65dsi86_probe(struct i2c_client *client,
 		return dev_err_probe(dev, PTR_ERR(pdata->regmap),
 				     "regmap i2c init failed\n");
 
-	pdata->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
+	pdata->enable_gpio = devm_gpiod_get_optional(dev, "enable",
+						     GPIOD_OUT_LOW);
 	if (IS_ERR(pdata->enable_gpio))
 		return dev_err_probe(dev, PTR_ERR(pdata->enable_gpio),
 				     "failed to get enable gpio from DT\n");
-- 
Regards,

Laurent Pinchart



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