On Sat, 15 Dec 2012 17:57:55 +0800
Albert Wang <twan...@marvell.com> wrote:
> From: Libin Yang <lby...@marvell.com>
>
> This patch adds the new formats support for marvell-ccic.
Once again, just one second-order comment:
> +static bool mcam_fmt_is_planar(__u32 pfmt)
> +{
> + switch (pfmt) {
> + case V4L2_PIX_FMT_YUV422P:
> + case V4L2_PIX_FMT_YUV420:
> + case V4L2_PIX_FMT_YVU420:
> + return true;
> + }
> + return false;
> +}
This seems like the kind of thing that would be useful in a number of
places; I'd be tempted to push it up a level and make it available to all
V4L2 drivers. Of course, that means making it work for *all* formats,
which would be a pain.
But, then, I can see some potential future pain if somebody adds a new
format and forgets to tweak this function here. Rather than adding a new
switch, could you put a "planar" flag into struct mcam_format_struct
instead? That would help to keep all this information together.
jon
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