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authorMauro Carvalho Chehab <mchehab@redhat.com>2009-07-03 02:54:18 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-07-05 19:21:22 -0300
commit58fc1ce37aba8e6371e1ec8a90d650b1965ee6c8 (patch)
tree7acb827b4e839ceb3023d4e110b16335d8be86da /drivers
parented5f1431ebeeba8cc6739e9cd905a7895b66184c (diff)
V4L/DVB (12171): em28xx: fix webcam usage with different output formats
Discovered the bug that were limiting the output format to just RGB565. Now, it is possible to output image at Bayer format (the original one, as generated by Silvercrest sensor, and two others), and also on YUY. Adds Bayer formats also to the driver. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/em28xx/em28xx-core.c1
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c46
2 files changed, 23 insertions, 24 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index dda2721ee5b..079ab4d563a 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -655,7 +655,6 @@ int em28xx_set_outfmt(struct em28xx *dev)
if (dev->board.is_27xx) {
vinmode = 0x0d;
vinctl = 0x00;
- outfmt = 0x24;
} else {
vinmode = 0x10;
vinctl = 0x11;
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 702fe8d6742..14316c91217 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -90,15 +90,35 @@ MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
/* supported video standards */
static struct em28xx_fmt format[] = {
{
- .name = "16bpp YUY2, 4:2:2, packed",
+ .name = "16 bpp YUY2, 4:2:2, packed",
.fourcc = V4L2_PIX_FMT_YUYV,
.depth = 16,
.reg = EM28XX_OUTFMT_YUV422_Y0UY1V,
}, {
- .name = "16 bpp RGB, le",
+ .name = "16 bpp RGB 565, LE",
.fourcc = V4L2_PIX_FMT_RGB565,
.depth = 16,
- .reg = EM28XX_OUTFMT_YUV211,
+ .reg = EM28XX_OUTFMT_RGB_16_656,
+ }, {
+ .name = "8 bpp Bayer BGBG..GRGR",
+ .fourcc = V4L2_PIX_FMT_SBGGR8,
+ .depth = 8,
+ .reg = EM28XX_OUTFMT_RGB_8_BGBG,
+ }, {
+ .name = "8 bpp Bayer GRGR..BGBG",
+ .fourcc = V4L2_PIX_FMT_SGRBG8,
+ .depth = 8,
+ .reg = EM28XX_OUTFMT_RGB_8_GRGR,
+ }, {
+ .name = "8 bpp Bayer GBGB..RGRG",
+ .fourcc = V4L2_PIX_FMT_SGBRG8,
+ .depth = 8,
+ .reg = EM28XX_OUTFMT_RGB_8_GBGB,
+ }, {
+ .name = "12 bpp YUV411",
+ .fourcc = V4L2_PIX_FMT_YUV411P,
+ .depth = 12,
+ .reg = EM28XX_OUTFMT_YUV411,
},
};
@@ -699,10 +719,6 @@ 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",
@@ -753,7 +769,6 @@ static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc,
/* FIXME: This is the only supported fmt */
if (dev->board.is_27xx) {
- fourcc = V4L2_PIX_FMT_RGB565;
width = 640;
height = 480;
}
@@ -1387,24 +1402,9 @@ static int vidioc_querycap(struct file *file, void *priv,
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
- struct em28xx_fh *fh = priv;
- struct em28xx *dev = fh->dev;
-
if (unlikely(f->index >= ARRAY_SIZE(format)))
return -EINVAL;
- if (dev->board.is_27xx) {
- struct em28xx_fmt *fmt;
- if (f->index)
- return -EINVAL;
-
- f->pixelformat = V4L2_PIX_FMT_RGB565;
- fmt = format_by_fourcc(f->pixelformat);
- strlcpy(f->description, fmt->name, sizeof(f->description));
-
- return 0;
- }
-
strlcpy(f->description, format[f->index].name, sizeof(f->description));
f->pixelformat = format[f->index].fourcc;