From 5138870d68ffbf6fcdf019af5b2ce78bc5a1f837 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 28 Jun 2011 10:40:42 -0300 Subject: [PATCH] [media] ivtv: add control event support Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtv-fileops.c | 11 ++++++++--- drivers/media/video/ivtv/ivtv-ioctl.c | 2 ++ 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index a7f54b0..353142d 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -750,6 +750,7 @@ unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait) struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[id->type]; int eof = test_bit(IVTV_F_S_STREAMOFF, &s->s_flags); + unsigned res = 0; /* Start a capture if there is none */ if (!eof && !test_bit(IVTV_F_S_STREAMING, &s->s_flags)) { @@ -769,12 +770,16 @@ unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait) /* add stream's waitq to the poll list */ IVTV_DEBUG_HI_FILE("Encoder poll\n"); poll_wait(filp, &s->waitq, wait); + if (v4l2_event_pending(&id->fh)) + res |= POLLPRI; + else + poll_wait(filp, &id->fh.events->wait, wait); if (s->q_full.length || s->q_io.length) - return POLLIN | POLLRDNORM; + return res | POLLIN | POLLRDNORM; if (eof) - return POLLHUP; - return 0; + return res | POLLHUP; + return res; } void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end) diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 7073998..ff75d07 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -1451,6 +1451,8 @@ static int ivtv_subscribe_event(struct v4l2_fh *fh, struct v4l2_event_subscripti case V4L2_EVENT_VSYNC: case V4L2_EVENT_EOS: break; + case V4L2_EVENT_CTRL: + return v4l2_ctrl_subscribe_fh(fh, sub, 0); default: return -EINVAL; } -- 2.7.4