提交 5138870d 编写于 作者: H Hans Verkuil 提交者: Mauro Carvalho Chehab

[media] ivtv: add control event support

Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 c7a52f8d
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
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......@@ -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)
......
......@@ -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;
}
......
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