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V4L/DVB (9978): stkwebcam: Implement VIDIOC_ENUM_FRAMESIZES ioctl
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>
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@ -1262,6 +1262,25 @@ static int stk_vidioc_g_parm(struct file *filp,
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return 0;
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}
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static int stk_vidioc_enum_framesizes(struct file *filp,
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void *priv, struct v4l2_frmsizeenum *frms)
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{
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if (frms->index >= ARRAY_SIZE(stk_sizes))
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return -EINVAL;
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switch (frms->pixel_format) {
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case V4L2_PIX_FMT_RGB565:
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case V4L2_PIX_FMT_RGB565X:
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case V4L2_PIX_FMT_UYVY:
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case V4L2_PIX_FMT_YUYV:
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case V4L2_PIX_FMT_SBGGR8:
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frms->type = V4L2_FRMSIZE_TYPE_DISCRETE;
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frms->discrete.width = stk_sizes[frms->index].w;
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frms->discrete.height = stk_sizes[frms->index].h;
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return 0;
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default: return -EINVAL;
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}
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}
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static struct file_operations v4l_stk_fops = {
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.owner = THIS_MODULE,
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.open = v4l_stk_open,
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@ -1296,6 +1315,7 @@ static const struct v4l2_ioctl_ops v4l_stk_ioctl_ops = {
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.vidioc_g_ctrl = stk_vidioc_g_ctrl,
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.vidioc_s_ctrl = stk_vidioc_s_ctrl,
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.vidioc_g_parm = stk_vidioc_g_parm,
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.vidioc_enum_framesizes = stk_vidioc_enum_framesizes,
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};
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static void stk_v4l_dev_release(struct video_device *vd)
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