[1/3] media: i2c: imx219: Enable vflip and hflip controls on stream stop
Commit Message
Enable vflip and hflip controls in resume error path when streaming
is stopped.
Fixes: 1283b3b8f82b9 ("media: i2c: Add driver for Sony IMX219 sensor")
Reported-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
drivers/media/i2c/imx219.c | 2 ++
1 file changed, 2 insertions(+)
Comments
Hi Prabhakar,
Thank you for the patch.
On Wed, Mar 10, 2021 at 12:20:12PM +0000, Lad Prabhakar wrote:
> Enable vflip and hflip controls in resume error path when streaming
> is stopped.
>
> Fixes: 1283b3b8f82b9 ("media: i2c: Add driver for Sony IMX219 sensor")
> Reported-by: Pavel Machek <pavel@denx.de>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
> drivers/media/i2c/imx219.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
> index 6e3382b85a90..f0cf1985a4dc 100644
> --- a/drivers/media/i2c/imx219.c
> +++ b/drivers/media/i2c/imx219.c
> @@ -1195,6 +1195,8 @@ static int __maybe_unused imx219_resume(struct device *dev)
> error:
> imx219_stop_streaming(imx219);
> imx219->streaming = false;
> + __v4l2_ctrl_grab(imx219->vflip, false);
> + __v4l2_ctrl_grab(imx219->hflip, false);
It's not very nice to do this manually in imx219_resume(). Shouldn't we
move the __v4l2_ctrl_grab() calls from imx219_set_stream() to
imx219_start_streaming() and imx219_stop_streaming() instead ?
>
> return ret;
> }
Hi Laurent,
Thank you for the review.
On Wed, Mar 10, 2021 at 12:45 PM Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
>
> Hi Prabhakar,
>
> Thank you for the patch.
>
> On Wed, Mar 10, 2021 at 12:20:12PM +0000, Lad Prabhakar wrote:
> > Enable vflip and hflip controls in resume error path when streaming
> > is stopped.
> >
> > Fixes: 1283b3b8f82b9 ("media: i2c: Add driver for Sony IMX219 sensor")
> > Reported-by: Pavel Machek <pavel@denx.de>
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> > ---
> > drivers/media/i2c/imx219.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
> > index 6e3382b85a90..f0cf1985a4dc 100644
> > --- a/drivers/media/i2c/imx219.c
> > +++ b/drivers/media/i2c/imx219.c
> > @@ -1195,6 +1195,8 @@ static int __maybe_unused imx219_resume(struct device *dev)
> > error:
> > imx219_stop_streaming(imx219);
> > imx219->streaming = false;
> > + __v4l2_ctrl_grab(imx219->vflip, false);
> > + __v4l2_ctrl_grab(imx219->hflip, false);
>
> It's not very nice to do this manually in imx219_resume(). Shouldn't we
> move the __v4l2_ctrl_grab() calls from imx219_set_stream() to
> imx219_start_streaming() and imx219_stop_streaming() instead ?
>
Agreed, moved to respective functions.
Cheers,
Prabhakar
> >
> > return ret;
> > }
>
> --
> Regards,
>
> Laurent Pinchart
@@ -1195,6 +1195,8 @@ static int __maybe_unused imx219_resume(struct device *dev)
error:
imx219_stop_streaming(imx219);
imx219->streaming = false;
+ __v4l2_ctrl_grab(imx219->vflip, false);
+ __v4l2_ctrl_grab(imx219->hflip, false);
return ret;
}