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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2018-06-28 07:43:46 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-25 07:11:48 -0400 |
| commit | 4786b0d6f3ca6da8db02b0a58cd2b785cb0b80ab (patch) | |
| tree | 81105439c95a742d86411de731972f12faf20659 /drivers/media/cec/cec-api.c | |
| parent | f48a534adbd321362c3199140008c9e2f2a81b3a (diff) | |
| download | linux-4786b0d6f3ca6da8db02b0a58cd2b785cb0b80ab.tar.bz2 | |
media: cec: add support for 5V signal testing
Add support for the new 5V CEC events
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/cec/cec-api.c')
| -rw-r--r-- | drivers/media/cec/cec-api.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/cec/cec-api.c b/drivers/media/cec/cec-api.c index 10b67fc40318..b6536bbad530 100644 --- a/drivers/media/cec/cec-api.c +++ b/drivers/media/cec/cec-api.c @@ -579,6 +579,14 @@ static int cec_open(struct inode *inode, struct file *filp) cec_queue_event_fh(fh, &ev, 0); } } + if (adap->pin && adap->pin->ops->read_5v) { + err = adap->pin->ops->read_5v(adap); + if (err >= 0) { + ev.event = err ? CEC_EVENT_PIN_5V_HIGH : + CEC_EVENT_PIN_5V_LOW; + cec_queue_event_fh(fh, &ev, 0); + } + } #endif list_add(&fh->list, &devnode->fhs); |