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path: root/drivers/media/video/cx18/cx18-ioctl.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-ioctl.c')
-rw-r--r--drivers/media/video/cx18/cx18-ioctl.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c
index afe0a29e720..66b1c15c354 100644
--- a/drivers/media/video/cx18/cx18-ioctl.c
+++ b/drivers/media/video/cx18/cx18-ioctl.c
@@ -160,12 +160,7 @@ static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
pixfmt->priv = 0;
if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
pixfmt->pixelformat = s->pixelformat;
- /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
- UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */
- if (s->pixelformat == V4L2_PIX_FMT_HM12)
- pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
- else
- pixfmt->sizeimage = pixfmt->height * 720 * 2;
+ pixfmt->sizeimage = s->vb_bytes_per_frame;
pixfmt->bytesperline = 720;
} else {
pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
@@ -296,6 +291,12 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
return -EBUSY;
s->pixelformat = fmt->fmt.pix.pixelformat;
+ /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
+ UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */
+ if (s->pixelformat == V4L2_PIX_FMT_HM12)
+ s->vb_bytes_per_frame = h * 720 * 3 / 2;
+ else
+ s->vb_bytes_per_frame = h * 720 * 2;
mbus_fmt.width = cx->cxhdl.width = w;
mbus_fmt.height = cx->cxhdl.height = h;
@@ -463,13 +464,16 @@ static int cx18_s_register(struct file *file, void *fh,
static int cx18_querycap(struct file *file, void *fh,
struct v4l2_capability *vcap)
{
- struct cx18 *cx = fh2id(fh)->cx;
+ struct cx18_open_id *id = fh2id(fh);
+ struct cx18 *cx = id->cx;
strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
snprintf(vcap->bus_info, sizeof(vcap->bus_info),
"PCI:%s", pci_name(cx->pci_dev));
vcap->capabilities = cx->v4l2_cap; /* capabilities */
+ if (id->type == CX18_ENC_STREAM_TYPE_YUV)
+ vcap->capabilities |= V4L2_CAP_STREAMING;
return 0;
}