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authorHans Verkuil <hverkuil@xs4all.nl>2010-03-27 14:10:13 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-05-19 12:58:08 -0300
commit092501936fc128992456a086193746cf34642815 (patch)
tree6a6910b3fd4f9a1304adfb5af1a4e7a96085960d /drivers/media/video/ivtv/ivtv-ioctl.c
parent1bcaf4bd53872e70c4fceec6bbb76044325f337f (diff)
V4L/DVB: ivtv: support the new events API
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-ioctl.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-ioctl.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 6422cf8f189..e95ebdeaa72 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -35,6 +35,7 @@
#include <media/saa7127.h>
#include <media/tveeprom.h>
#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-event.h>
#include <linux/dvb/audio.h>
#include <linux/i2c-id.h>
@@ -1452,6 +1453,18 @@ static int ivtv_overlay(struct file *file, void *fh, unsigned int on)
return 0;
}
+static int ivtv_subscribe_event(struct v4l2_fh *fh, struct v4l2_event_subscription *sub)
+{
+ switch (sub->type) {
+ case V4L2_EVENT_VSYNC:
+ case V4L2_EVENT_EOS:
+ break;
+ default:
+ return -EINVAL;
+ }
+ return v4l2_event_subscribe(fh, sub);
+}
+
static int ivtv_log_status(struct file *file, void *fh)
{
struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
@@ -1560,7 +1573,7 @@ static int ivtv_log_status(struct file *file, void *fh)
static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
{
- struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
+ struct ivtv_open_id *id = fh2id(filp->private_data);
struct ivtv *itv = id->itv;
int nonblocking = filp->f_flags & O_NONBLOCK;
struct ivtv_stream *s = &itv->streams[id->type];
@@ -1820,7 +1833,7 @@ static long ivtv_serialized_ioctl(struct ivtv *itv, struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct video_device *vfd = video_devdata(filp);
- struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
+ struct ivtv_open_id *id = fh2id(filp->private_data);
long ret;
/* check priority */
@@ -1852,10 +1865,13 @@ static long ivtv_serialized_ioctl(struct ivtv *itv, struct file *filp,
long ivtv_v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
+ struct ivtv_open_id *id = fh2id(filp->private_data);
struct ivtv *itv = id->itv;
long res;
+ /* DQEVENT can block, so this should not run with the serialize lock */
+ if (cmd == VIDIOC_DQEVENT)
+ return ivtv_serialized_ioctl(itv, filp, cmd, arg);
mutex_lock(&itv->serialize_lock);
res = ivtv_serialized_ioctl(itv, filp, cmd, arg);
mutex_unlock(&itv->serialize_lock);
@@ -1926,6 +1942,8 @@ static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
.vidioc_g_ext_ctrls = ivtv_g_ext_ctrls,
.vidioc_s_ext_ctrls = ivtv_s_ext_ctrls,
.vidioc_try_ext_ctrls = ivtv_try_ext_ctrls,
+ .vidioc_subscribe_event = ivtv_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
void ivtv_set_funcs(struct video_device *vdev)