diff mbox series

[62/75] media: imx: imx7_mipi_csis: Make source .s_power() optional

Message ID 20210105152852.5733-63-laurent.pinchart@ideasonboard.com (mailing list archive)
State New, archived
Headers show
Series media: imx: Miscellaneous fixes and cleanups for i.MX7 | expand

Commit Message

Laurent Pinchart Jan. 5, 2021, 3:28 p.m. UTC 
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@ideasonboard.com>
---
 drivers/staging/media/imx/imx7-mipi-csis.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

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)