The .s_power() subdev operation is optional, don't error out when the
source doesn't implement it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/staging/media/imx/imx7-mipi-csis.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index fe8f3fdab832..75facfc85dde 100644
--- a/drivers/staging/media/imx/imx7-mipi-csis.c
+++ b/drivers/staging/media/imx/imx7-mipi-csis.c
@@ -627,7 +627,7 @@ static int mipi_csis_s_stream(struct v4l2_subdev *mipi_sd, int enable)
return ret;
}
ret = v4l2_subdev_call(state->src_sd, core, s_power, 1);
- if (ret < 0)
+ if (ret < 0 && ret != -ENOIOCTLCMD)
return ret;
}
@@ -649,6 +649,8 @@ static int mipi_csis_s_stream(struct v4l2_subdev *mipi_sd, int enable)
} else {
v4l2_subdev_call(state->src_sd, video, s_stream, 0);
ret = v4l2_subdev_call(state->src_sd, core, s_power, 0);
+ if (ret == -ENOIOCTLCMD)
+ ret = 0;
mipi_csis_stop_stream(state);
state->flags &= ~ST_STREAMING;
if (state->debug)
--
Regards,
Laurent Pinchart
