The enable signal may not be controllable by the kernel. Make it optional. This is a similar to commit bbda1704fc15 ("drm/bridge: ti-sn65dsi86: Make enable GPIO optional")
Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Reviewed-by: Sam Ravnborg sam@ravnborg.org Signed-off-by: Alexander Stein alexander.stein@ew.tq-group.com --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 945f08de45f1..065610edc37a 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -662,7 +662,8 @@ static int sn65dsi83_probe(struct i2c_client *client, }
/* Put the chip in reset, pull EN line low, and assure 10ms reset low timing. */ - ctx->enable_gpio = devm_gpiod_get(ctx->dev, "enable", GPIOD_OUT_LOW); + ctx->enable_gpio = devm_gpiod_get_optional(ctx->dev, "enable", + GPIOD_OUT_LOW); if (IS_ERR(ctx->enable_gpio)) return PTR_ERR(ctx->enable_gpio);