From: Hans Verkuil <hverk...@xs4all.nl> [ Upstream commit 49b20d981d723fae5a93843c617af2b2c23611ec ]
1) the numerator and/or denominator might be 0, in that case fall back to the default frame interval. This is per the spec and this caused a v4l2-compliance failure. 2) the updated frame interval wasn't returned in the s_frame_interval subdev op. Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> Reviewed-by: Luca Ceresoli <l...@lucaceresoli.net> Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org> Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/media/i2c/imx274.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c index 6011cec5e351d..e6aa9f32b6a83 100644 --- a/drivers/media/i2c/imx274.c +++ b/drivers/media/i2c/imx274.c @@ -1235,6 +1235,8 @@ static int imx274_s_frame_interval(struct v4l2_subdev *sd, ret = imx274_set_frame_interval(imx274, fi->interval); if (!ret) { + fi->interval = imx274->frame_interval; + /* * exposure time range is decided by frame interval * need to update it after frame interval changes @@ -1730,9 +1732,9 @@ static int imx274_set_frame_interval(struct stimx274 *priv, __func__, frame_interval.numerator, frame_interval.denominator); - if (frame_interval.numerator == 0) { - err = -EINVAL; - goto fail; + if (frame_interval.numerator == 0 || frame_interval.denominator == 0) { + frame_interval.denominator = IMX274_DEF_FRAME_RATE; + frame_interval.numerator = 1; } req_frame_rate = (u32)(frame_interval.denominator -- 2.27.0