media: i2c: ov2685: Add print for power on write failed

If the sensor doens't power up correctly, for example due to incorrect
devicetree description, the power up i2c writes will fail.

Add an error print for this situation.

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: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/i2c/ov2685.c b/drivers/media/i2c/ov2685.c
index 1c80b121e7d6d0d67ae372eb8229ad35a31e3b2b..0eb41a63787e7b27669e1c37de3d2f542ac18286 100644 (file)
--- a/drivers/media/i2c/ov2685.c
+++ b/drivers/media/i2c/ov2685.c
@@ -419,8 +419,10 @@ static int __ov2685_power_on(struct ov2685 *ov2685)
         * writing register before .s_stream() as a workaround
         */
        ret = ov2685_write_array(ov2685->client, ov2685->cur_mode->reg_list);
-       if (ret)
+       if (ret) {
+               dev_err(dev, "Failed to set regs for power on\n");
                goto disable_supplies;
+       }
 
        return 0;