diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-video.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-video.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 40e7c5feb84..03cfa3eeafc 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -447,9 +447,10 @@ static void em28xx_copy_video(struct em28xx *dev, unsigned char *usb_buf, unsigned long len) { + struct em28xx_v4l2 *v4l2 = dev->v4l2; void *fieldstart, *startwrite, *startread; int linesdone, currlinedone, offset, lencopy, remain; - int bytesperline = dev->v4l2->width << 1; + int bytesperline = v4l2->width << 1; if (buf->pos + len > buf->length) len = buf->length - buf->pos; @@ -457,7 +458,7 @@ static void em28xx_copy_video(struct em28xx *dev, startread = usb_buf; remain = len; - if (dev->progressive || buf->top_field) + if (v4l2->progressive || buf->top_field) fieldstart = buf->vb_buf; else /* interlaced mode, even nr. of lines */ fieldstart = buf->vb_buf + bytesperline; @@ -465,7 +466,7 @@ static void em28xx_copy_video(struct em28xx *dev, linesdone = buf->pos / bytesperline; currlinedone = buf->pos % bytesperline; - if (dev->progressive) + if (v4l2->progressive) offset = linesdone * bytesperline + currlinedone; else offset = linesdone * bytesperline * 2 + currlinedone; @@ -489,7 +490,7 @@ static void em28xx_copy_video(struct em28xx *dev, remain -= lencopy; while (remain > 0) { - if (dev->progressive) + if (v4l2->progressive) startwrite += lencopy; else startwrite += lencopy + bytesperline; @@ -611,7 +612,9 @@ finish_field_prepare_next(struct em28xx *dev, struct em28xx_buffer *buf, struct em28xx_dmaqueue *dma_q) { - if (dev->progressive || dev->top_field) { /* Brand new frame */ + struct em28xx_v4l2 *v4l2 = dev->v4l2; + + if (v4l2->progressive || dev->top_field) { /* Brand new frame */ if (buf != NULL) finish_buffer(dev, buf); buf = get_next_buf(dev, dma_q); @@ -1230,10 +1233,10 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ - if (dev->progressive) + if (v4l2->progressive) f->fmt.pix.field = V4L2_FIELD_NONE; else - f->fmt.pix.field = dev->interlaced ? + f->fmt.pix.field = v4l2->interlaced_fieldmode ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; return 0; } @@ -1254,6 +1257,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; + struct em28xx_v4l2 *v4l2 = dev->v4l2; unsigned int width = f->fmt.pix.width; unsigned int height = f->fmt.pix.height; unsigned int maxw = norm_maxw(dev); @@ -1295,10 +1299,10 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - if (dev->progressive) + if (v4l2->progressive) f->fmt.pix.field = V4L2_FIELD_NONE; else - f->fmt.pix.field = dev->interlaced ? + f->fmt.pix.field = v4l2->interlaced_fieldmode ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; f->fmt.pix.priv = 0; @@ -2312,6 +2316,9 @@ static int em28xx_v4l2_init(struct em28xx *dev) v4l2_ctrl_handler_init(hdl, 8); v4l2->v4l2_dev.ctrl_handler = hdl; + if (dev->board.is_webcam) + v4l2->progressive = 1; + /* * Default format, used for tvp5150 or saa711x output formats */ @@ -2426,7 +2433,7 @@ static int em28xx_v4l2_init(struct em28xx *dev) /* set default norm */ v4l2->norm = V4L2_STD_PAL; v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, v4l2->norm); - dev->interlaced = EM28XX_INTERLACED_DEFAULT; + v4l2->interlaced_fieldmode = EM28XX_INTERLACED_DEFAULT; /* Analog specific initialization */ v4l2->format = &format[0]; |