From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Sun, 9 Sep 2012 13:27:57 +0000 (-0300)
Subject: [media] bttv: G_PARM: set readbuffers
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a652ef60952dd816bf84c7c52e0caf6e71ea5a49;p=linux-beck.git

[media] bttv: G_PARM: set readbuffers

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 546a9f55b809..fb8ec0a67d14 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -2970,6 +2970,9 @@ static int bttv_g_parm(struct file *file, void *f,
 	struct bttv_fh *fh = f;
 	struct bttv *btv = fh->btv;
 
+	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+	parm->parm.capture.readbuffers = gbuffers;
 	v4l2_video_std_frame_period(bttv_tvnorms[btv->tvnorm].v4l2_id,
 				    &parm->parm.capture.timeperframe);