Hi Hans,
On Sun, 3 May 2015, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
>
> Simplify ov9640_s_fmt and ov9640_set_fmt
>
> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> Reported-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
> ---
> drivers/media/i2c/soc_camera/ov9640.c | 24 +++---------------------
> 1 file changed, 3 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/media/i2c/soc_camera/ov9640.c b/drivers/media/i2c/soc_camera/ov9640.c
> index 8caae1c..c8ac41e 100644
> --- a/drivers/media/i2c/soc_camera/ov9640.c
> +++ b/drivers/media/i2c/soc_camera/ov9640.c
> @@ -486,11 +486,8 @@ static int ov9640_s_fmt(struct v4l2_subdev *sd,
> {
> struct i2c_client *client = v4l2_get_subdevdata(sd);
> struct ov9640_reg_alt alts = {0};
> - enum v4l2_colorspace cspace;
> - u32 code = mf->code;
> int ret;
>
> - ov9640_res_roundup(&mf->width, &mf->height);
> ov9640_alter_regs(mf->code, &alts);
>
> ov9640_reset(client);
> @@ -499,24 +496,7 @@ static int ov9640_s_fmt(struct v4l2_subdev *sd,
> if (ret)
> return ret;
>
> - switch (code) {
> - case MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE:
> - case MEDIA_BUS_FMT_RGB565_2X8_LE:
> - cspace = V4L2_COLORSPACE_SRGB;
> - break;
> - default:
> - code = MEDIA_BUS_FMT_UYVY8_2X8;
> - case MEDIA_BUS_FMT_UYVY8_2X8:
> - cspace = V4L2_COLORSPACE_JPEG;
> - }
> -
> - ret = ov9640_write_regs(client, mf->width, code, &alts);
> - if (!ret) {
> - mf->code = code;
> - mf->colorspace = cspace;
> - }
> -
> - return ret;
> + return ov9640_write_regs(client, mf->width, mf->code, &alts);
> }
>
> static int ov9640_set_fmt(struct v4l2_subdev *sd,
> @@ -539,8 +519,10 @@ static int ov9640_set_fmt(struct v4l2_subdev *sd,
> break;
> default:
> mf->code = MEDIA_BUS_FMT_UYVY8_2X8;
> + /* fall through */
> case MEDIA_BUS_FMT_UYVY8_2X8:
> mf->colorspace = V4L2_COLORSPACE_JPEG;
> + break;
Again, not sure this is a good idea. Otherwise
Acked-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
Thanks
Guennadi
> }
>
> if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
> --
> 2.1.4
>
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