Let v4l2_ctrl_subscribe_event() do the job for other types except V4L2_EVENT_SOURCE_CHANGE. Signed-off-by: Xia Jiang <xia.jiang@xxxxxxxxxxxx> --- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index ee802fc3bcdf..cde59275d49c 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -446,9 +446,9 @@ static int mtk_jpeg_subscribe_event(struct v4l2_fh *fh, switch (sub->type) { case V4L2_EVENT_SOURCE_CHANGE: return v4l2_src_change_event_subscribe(fh, sub); - default: - return -EINVAL; } + + return v4l2_ctrl_subscribe_event(fh, sub); } static int mtk_jpeg_g_selection(struct file *file, void *priv, -- 2.18.0