From 58fc1ce37aba8e6371e1ec8a90d650b1965ee6c8 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 3 Jul 2009 02:54:18 -0300 Subject: [PATCH] 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 --- drivers/media/video/em28xx/em28xx-core.c | 1 - drivers/media/video/em28xx/em28xx-video.c | 46 +++++++++++++++---------------- 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 dda2721..079ab4d 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 702fe8d..14316c9 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; -- 1.8.2.3