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[media] cobalt: simplify colorspace code 

Simplify cobalt_g/try_fmt_vid_cap by not setting the colorspace fields in
pix again (since v4l2_fill_pix_format does that already), and by using
v4l2_fill_mbus_format in cobalt_s_fmt_vid_out which allows the get_fmt
call to be dropped as well.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-05-31 07:51:51 -03:00 committed by Mauro Carvalho Chehab
parent 136a5e9e01
commit e1dedcfff1
1 changed files with 4 additions and 13 deletions
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17
drivers/media/pci/cobalt/cobalt-v4l2.c
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@ -737,10 +737,6 @@ static int cobalt_g_fmt_vid_cap(struct file *file, void *priv_fh,
sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt);
v4l2_fill_pix_format(pix, &sd_fmt.format);
pix->colorspace = sd_fmt.format.colorspace;
pix->xfer_func = sd_fmt.format.xfer_func;
pix->ycbcr_enc = sd_fmt.format.ycbcr_enc;
pix->quantization = sd_fmt.format.quantization;
}
pix->pixelformat = s->pixfmt;
@ -783,10 +779,6 @@ static int cobalt_try_fmt_vid_cap(struct file *file, void *priv_fh,
sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt);
v4l2_fill_pix_format(pix, &sd_fmt.format);
pix->colorspace = sd_fmt.format.colorspace;
pix->xfer_func = sd_fmt.format.xfer_func;
pix->ycbcr_enc = sd_fmt.format.ycbcr_enc;
pix->quantization = sd_fmt.format.quantization;
}
switch (pix->pixelformat) {
@ -933,6 +925,7 @@ static int cobalt_s_fmt_vid_out(struct file *file, void *priv_fh,
struct cobalt_stream *s = video_drvdata(file);
struct v4l2_pix_format *pix = &f->fmt.pix;
struct v4l2_subdev_format sd_fmt = { 0 };
u32 code;
if (cobalt_try_fmt_vid_out(file, priv_fh, f))
return -EINVAL;
@ -945,9 +938,11 @@ static int cobalt_s_fmt_vid_out(struct file *file, void *priv_fh,
switch (pix->pixelformat) {
case V4L2_PIX_FMT_YUYV:
s->bpp = COBALT_BYTES_PER_PIXEL_YUYV;
code = MEDIA_BUS_FMT_UYVY8_1X16;
break;
case V4L2_PIX_FMT_BGR32:
s->bpp = COBALT_BYTES_PER_PIXEL_RGB32;
code = MEDIA_BUS_FMT_RGB888_1X24;
break;
default:
return -EINVAL;
@ -961,11 +956,7 @@ static int cobalt_s_fmt_vid_out(struct file *file, void *priv_fh,
s->ycbcr_enc = pix->ycbcr_enc;
s->quantization = pix->quantization;
sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
v4l2_subdev_call(s->sd, pad, get_fmt, NULL, &sd_fmt);
sd_fmt.format.colorspace = pix->colorspace;
sd_fmt.format.xfer_func = pix->xfer_func;
sd_fmt.format.ycbcr_enc = pix->ycbcr_enc;
sd_fmt.format.quantization = pix->quantization;
v4l2_fill_mbus_format(&sd_fmt.format, pix, code);
v4l2_subdev_call(s->sd, pad, set_fmt, NULL, &sd_fmt);
return 0;
}