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author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-06-10 07:34:10 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-06 20:36:29 (GMT) |
commit | 387c71b262a7a62d271dc9deb00c173264e33357 (patch) | |
tree | 0691032fba9c807ee39baea4b95a69fe796b3b93 /drivers/media/video/pwc/pwc-v4l.c | |
parent | 2e43dec0eeb6bca13212b583e750b0aed1c51cd1 (diff) | |
download | linux-387c71b262a7a62d271dc9deb00c173264e33357.tar.xz |
[media] pwc: v4l2-compliance fixes
- add device_caps
- set colorspace
- s_parm should support a fps of 0 (== reset to nominal fps)
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pwc/pwc-v4l.c')
-rw-r--r-- | drivers/media/video/pwc/pwc-v4l.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c index 114ae41..545e9bb 100644 --- a/drivers/media/video/pwc/pwc-v4l.c +++ b/drivers/media/video/pwc/pwc-v4l.c @@ -405,6 +405,7 @@ static void pwc_vidioc_fill_fmt(struct v4l2_format *f, f->fmt.pix.pixelformat = pixfmt; f->fmt.pix.bytesperline = f->fmt.pix.width; f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.width * 3 / 2; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SRGB; PWC_DEBUG_IOCTL("pwc_vidioc_fill_fmt() " "width=%d, height=%d, bytesperline=%d, sizeimage=%d, pixelformat=%c%c%c%c\n", f->fmt.pix.width, @@ -497,10 +498,9 @@ static int pwc_querycap(struct file *file, void *fh, struct v4l2_capability *cap strcpy(cap->driver, PWC_NAME); strlcpy(cap->card, pdev->vdev.name, sizeof(cap->card)); usb_make_path(pdev->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->capabilities = - V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_STREAMING | - V4L2_CAP_READWRITE; + cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | + V4L2_CAP_READWRITE; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; return 0; } @@ -509,7 +509,8 @@ static int pwc_enum_input(struct file *file, void *fh, struct v4l2_input *i) if (i->index) /* Only one INPUT is supported */ return -EINVAL; - strcpy(i->name, "usb"); + strlcpy(i->name, "Camera", sizeof(i->name)); + i->type = V4L2_INPUT_TYPE_CAMERA; return 0; } @@ -1003,12 +1004,18 @@ static int pwc_s_parm(struct file *file, void *fh, int compression = 0; int ret, fps; - if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - parm->parm.capture.timeperframe.numerator == 0) + if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; - fps = parm->parm.capture.timeperframe.denominator / - parm->parm.capture.timeperframe.numerator; + /* If timeperframe == 0, then reset the framerate to the nominal value. + We pick a high framerate here, and let pwc_set_video_mode() figure + out the best match. */ + if (parm->parm.capture.timeperframe.numerator == 0 || + parm->parm.capture.timeperframe.denominator == 0) + fps = 30; + else + fps = parm->parm.capture.timeperframe.denominator / + parm->parm.capture.timeperframe.numerator; if (vb2_is_busy(&pdev->vb_queue)) return -EBUSY; |