From 4786b0d6f3ca6da8db02b0a58cd2b785cb0b80ab Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 28 Jun 2018 07:43:46 -0400 Subject: media: cec: add support for 5V signal testing Add support for the new 5V CEC events Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/cec/cec-adap.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'drivers/media/cec/cec-adap.c') diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index b7fad0ec5710..030b2602faf0 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -74,7 +74,7 @@ void cec_queue_event_fh(struct cec_fh *fh, const struct cec_event *new_ev, u64 ts) { static const u16 max_events[CEC_NUM_EVENTS] = { - 1, 1, 800, 800, 8, 8, + 1, 1, 800, 800, 8, 8, 8, 8 }; struct cec_event_entry *entry; unsigned int ev_idx = new_ev->event - 1; @@ -176,6 +176,22 @@ void cec_queue_pin_hpd_event(struct cec_adapter *adap, bool is_high, ktime_t ts) } EXPORT_SYMBOL_GPL(cec_queue_pin_hpd_event); +/* Notify userspace that the 5V pin changed state at the given time. */ +void cec_queue_pin_5v_event(struct cec_adapter *adap, bool is_high, ktime_t ts) +{ + struct cec_event ev = { + .event = is_high ? CEC_EVENT_PIN_5V_HIGH : + CEC_EVENT_PIN_5V_LOW, + }; + struct cec_fh *fh; + + mutex_lock(&adap->devnode.lock); + list_for_each_entry(fh, &adap->devnode.fhs, list) + cec_queue_event_fh(fh, &ev, ktime_to_ns(ts)); + mutex_unlock(&adap->devnode.lock); +} +EXPORT_SYMBOL_GPL(cec_queue_pin_5v_event); + /* * Queue a new message for this filehandle. * -- cgit v1.2.3