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V4L/DVB (9978): stkwebcam: Implement VIDIOC_ENUM_FRAMESIZES ioctl

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This patch implements VIDIOC_ENUM_FRAMESIZES, it is used at least
by gstreamer.

Signed-off-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jaime Velasco Juan 2008-12-25 07:04:52 -03:00 committed by Mauro Carvalho Chehab
parent 71050814c2
commit 126be90f72
1 changed files with 20 additions and 0 deletions
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20
drivers/media/video/stk-webcam.c
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@ -1262,6 +1262,25 @@ static int stk_vidioc_g_parm(struct file *filp,
return 0; return 0;
} }
static int stk_vidioc_enum_framesizes(struct file *filp,
void *priv, struct v4l2_frmsizeenum *frms)
{
if (frms->index >= ARRAY_SIZE(stk_sizes))
return -EINVAL;
switch (frms->pixel_format) {
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB565X:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_SBGGR8:
frms->type = V4L2_FRMSIZE_TYPE_DISCRETE;
frms->discrete.width = stk_sizes[frms->index].w;
frms->discrete.height = stk_sizes[frms->index].h;
return 0;
default: return -EINVAL;
}
}
static struct file_operations v4l_stk_fops = { static struct file_operations v4l_stk_fops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.open = v4l_stk_open, .open = v4l_stk_open,
@ -1296,6 +1315,7 @@ static const struct v4l2_ioctl_ops v4l_stk_ioctl_ops = {
.vidioc_g_ctrl = stk_vidioc_g_ctrl, .vidioc_g_ctrl = stk_vidioc_g_ctrl,
.vidioc_s_ctrl = stk_vidioc_s_ctrl, .vidioc_s_ctrl = stk_vidioc_s_ctrl,
.vidioc_g_parm = stk_vidioc_g_parm, .vidioc_g_parm = stk_vidioc_g_parm,
.vidioc_enum_framesizes = stk_vidioc_enum_framesizes,
}; };
static void stk_v4l_dev_release(struct video_device *vd) static void stk_v4l_dev_release(struct video_device *vd)