From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Fri, 21 Jan 2011 00:15:42 +0000 (-0300)
Subject: [media] omap_vout: Add poll() support
X-Git-Tag: v3.12-rc1~3230^2~762
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=94f3f48f90f77e3bfcafce9b259086cfebcd166d;p=kernel%2Fkernel-generic.git

[media] omap_vout: Add poll() support

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 30d8896b..9c5c19f 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -833,6 +833,15 @@ static void omap_vout_buffer_release(struct videobuf_queue *q,
 /*
  *  File operations
  */
+static unsigned int omap_vout_poll(struct file *file,
+				   struct poll_table_struct *wait)
+{
+	struct omap_vout_device *vout = file->private_data;
+	struct videobuf_queue *q = &vout->vbq;
+
+	return videobuf_poll_stream(file, q, wait);
+}
+
 static void omap_vout_vm_open(struct vm_area_struct *vma)
 {
 	struct omap_vout_device *vout = vma->vm_private_data;
@@ -1861,6 +1870,7 @@ static const struct v4l2_ioctl_ops vout_ioctl_ops = {
 
 static const struct v4l2_file_operations omap_vout_fops = {
 	.owner 		= THIS_MODULE,
+	.poll		= omap_vout_poll,
 	.unlocked_ioctl	= video_ioctl2,
 	.mmap 		= omap_vout_mmap,
 	.open 		= omap_vout_open,