media: i2c: ov2685: Make reset gpio optional

In some setups XSHUTDOWN is connected to DOVDD when it's unused,
therefore treat the reset gpio as optional.

Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/i2c/ov2685.c b/drivers/media/i2c/ov2685.c
index fdf3e06133302070bcf597b59e8e0bdc01d203e7..f119a93e7c647678e4f8527ef2db65c142ea8237 100644 (file)
--- a/drivers/media/i2c/ov2685.c
+++ b/drivers/media/i2c/ov2685.c
@@ -807,7 +807,7 @@ static int ov2685_probe(struct i2c_client *client)
        if (clk_get_rate(ov2685->xvclk) != OV2685_XVCLK_FREQ)
                dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
 
-       ov2685->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+       ov2685->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
        if (IS_ERR(ov2685->reset_gpio)) {
                dev_err(dev, "Failed to get reset-gpios\n");
                return -EINVAL;