From: Hans Verkuil <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
---
drivers/media/video/ivtv/ivtv-fileops.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c
b/drivers/media/video/ivtv/ivtv-fileops.c
index 38f0522..a931ecf 100644
--- a/drivers/media/video/ivtv/ivtv-fileops.c
+++ b/drivers/media/video/ivtv/ivtv-fileops.c
@@ -744,8 +744,9 @@ unsigned int ivtv_v4l2_dec_poll(struct file *filp,
poll_table *wait)
return res;
}
-unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait)
+unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table *wait)
{
+ unsigned long req_events = poll_requested_events(wait);
struct ivtv_open_id *id = fh2id(filp->private_data);
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[id->type];
@@ -753,7 +754,8 @@ unsigned int ivtv_v4l2_enc_poll(struct file *filp,
poll_table * wait)
unsigned res = 0;
/* Start a capture if there is none */
- if (!eof && !test_bit(IVTV_F_S_STREAMING, &s->s_flags)) {
+ if (!eof && !test_bit(IVTV_F_S_STREAMING, &s->s_flags) &&
+ (req_events & (POLLIN | POLLRDNORM))) {
int rc;
mutex_lock(&itv->serialize_lock);
--
1.7.5.4
--
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