Hi Mauro,
On Fri, 2016-10-21 at 11:01 -0200, Mauro Carvalho Chehab wrote:
> Em Fri, 2 Sep 2016 20:19:54 +0800
> Tiffany Lin <tiffany.lin@xxxxxxxxxxxx> escreveu:
>
> > Add v4l2 layer decoder driver for MT8173
> >
> > Signed-off-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
>
> > +int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
> > +{
> > + int ret = 0;
> > +
> > + switch (fourcc) {
> > + case V4L2_PIX_FMT_H264:
> > + case V4L2_PIX_FMT_VP8:
> > + default:
> > + return -EINVAL;
> > + }
>
> Did you ever test this driver? The above code will *always* return
> -EINVAL, with will cause vidioc_vdec_s_fmt() to always fail!
>
> I suspect that what you wanted to do, instead, is:
>
> switch (fourcc) {
> case V4L2_PIX_FMT_H264:
> case V4L2_PIX_FMT_VP8:
> break;
> default:
> return -EINVAL;
>
The original idea here is that vp8 and h264 are added in later patches.
If get this patch without later patches, it should return -EINVAL.
> Btw, this patch series has also several issues that were pointed by
> checkpatch. Please *always* run checkpatch when submitting your work.
>
> You should take a look at the Kernel documentation about how to
> submit patches, at:
> https://mchehab.fedorapeople.org/kernel_docs/process/index.html
>
> PS.: this time, I fixed the checkpatch issues for you. So, let me know
> if the patch below is OK, and I'll merge it at media upstream,
> assuming that the other patches in this series are ok.
>
I did run checkpatch, but I don't know why these issues missed.
probably I run checkpatch for all files not for patches.
I will take a look at the documentation and keep this in mind for future
upstream.
Appreciated for your help.
best regards,
Tiffany
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