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authorMauro Carvalho Chehab <mchehab@redhat.com>2009-06-30 08:36:17 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-07-05 14:30:05 -0300
commit43cb9fe3291bb96390c1d188eb61c2d1581bb61e (patch)
treebd4f77677d348bc57d0531e863566072820b427d /drivers/media
parent02e7804b2135ff941b8846f5820cf48fbfdadd54 (diff)
V4L/DVB (12139): em28xx: add other video formats
Add suppport for the teste RGB565 format (16 bits/pixel). Currently, webcam support works only at RGB565, at 640x480. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 8fe1beecfffa..b96a138d9d03 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -94,6 +94,11 @@ static struct em28xx_fmt format[] = {
.fourcc = V4L2_PIX_FMT_YUYV,
.depth = 16,
.reg = EM28XX_OUTFMT_YUV422_Y0UY1V,
+ }, {
+ .name = "16 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_RGB565,
+ .depth = 16,
+ .reg = EM28XX_OUTFMT_YUV211,
},
};
@@ -694,6 +699,10 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
unsigned int hscale, vscale;
struct em28xx_fmt *fmt;
+ /* FIXME: This is the only supported fmt */
+ if (dev->board.is_27xx)
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_RGB565;
+
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
if (!fmt) {
em28xx_videodbg("Fourcc format (%08x) invalid.\n",
@@ -701,7 +710,11 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
return -EINVAL;
}
- if (dev->board.is_em2800) {
+ if (dev->board.is_27xx) {
+ /* FIXME: This is the only supported fmt */
+ width = 640;
+ height = 480;
+ } else if (dev->board.is_em2800) {
/* the em2800 can only scale down to 50% */
height = height > (3 * maxh / 4) ? maxh : maxh / 2;
width = width > (3 * maxw / 4) ? maxw : maxw / 2;
@@ -747,6 +760,10 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
mutex_lock(&dev->lock);
+ /* FIXME: This is the only supported fmt */
+ if (dev->board.is_27xx)
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_RGB565;
+
vidioc_try_fmt_vid_cap(file, priv, f);
fmt = format_by_fourcc(f->fmt.pix.pixelformat);