[PATCH] media: mediatek: vcodec: fix v4l2 compliance decoder cmd test fail

[yunfei.dong at mediatek.com]

Hi AngeloGioacchino,

Thanks for your suggestion.

On Fri, 2022-04-01 at 09:50 +0200, AngeloGioacchino Del Regno wrote:
> Il 01/04/22 05:04, Yunfei Dong ha scritto:
> > Will return -EINVAL using standard framework api when test
> > stateless
> > decoder with cmd VIDIOC_(TRY)DECODER_CMD.
> > 
> > Using another return value to adjust v4l2 compliance test for user
> > driver(GStreamer/Chrome) won't use decode cmd.
> > 
> > Signed-off-by: Yunfei Dong <yunfei.dong at mediatek.com>
> 
> Hello Yunfei,
> 
> this patch is a fix.. hence, this needs an appropriate Fixes: tag.
> Please add one.
> 
Add "Fixes: " in patch v2.
> Thanks,
> Angelo
> 
Thanks,
Yunfei Dong
> > ---
> >   drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c | 3 +--
> >   1 file changed, 1 insertion(+), 2 deletions(-)
> > 
> > diff --git
> > a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> > b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> > index 3859e4c651c6..69b0e797d342 100644
> > --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> > +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> > @@ -51,8 +51,7 @@ static int vidioc_try_decoder_cmd(struct file
> > *file, void *priv,
> >   
> >   	/* Use M2M stateless helper if relevant */
> >   	if (ctx->dev->vdec_pdata->uses_stateless_api)
> > -		return v4l2_m2m_ioctl_stateless_try_decoder_cmd(file,
> > priv,
> > -								cmd);
> > +		return -ENOTTY;
> >   	else
> >   		return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
> >   }