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Commit 126be90f authored by Jaime Velasco Juan's avatar Jaime Velasco Juan Committed by Mauro Carvalho Chehab
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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: default avatarJaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 71050814

drivers/media/video/stk-webcam.c

+20 −0
Original line number Diff line number Diff line
@@ -1262,6 +1262,25 @@ static int stk_vidioc_g_parm(struct file *filp, 
	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 = {

	.owner = THIS_MODULE,

	.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_s_ctrl = stk_vidioc_s_ctrl,

	.vidioc_g_parm = stk_vidioc_g_parm,

	.vidioc_enum_framesizes = stk_vidioc_enum_framesizes,

};



static void stk_v4l_dev_release(struct video_device *vd)