This was reported by Dan Carpenter. When we error with an IMX 227 we don't release
the lock and the sensor would then hang.
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---
drivers/staging/media/atomisp/i2c/imx/imx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/atomisp/i2c/imx/imx.c b/drivers/staging/media/atomisp/i2c/imx/imx.c
index a73f902..408a7b9 100644
--- a/drivers/staging/media/atomisp/i2c/imx/imx.c
+++ b/drivers/staging/media/atomisp/i2c/imx/imx.c
@@ -454,8 +454,10 @@ static int imx_set_exposure_gain(struct v4l2_subdev *sd, u16 coarse_itg,
if (dev->sensor_id == IMX227_ID) {
ret = imx_write_reg_array(client, imx_param_hold);
- if (ret)
+ if (ret) {
+ mutex_unlock(&dev->input_lock);
return ret;
+ }
}
/* For imx175, setting gain must be delayed by one */
