From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
This function will be needed for injecting a custom pulse.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/cec/cec-pin-priv.h | 2 ++
drivers/media/cec/cec-pin.c | 21 +++++++++++++--------
2 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/drivers/media/cec/cec-pin-priv.h b/drivers/media/cec/cec-pin-priv.h
index cf41c4236efd..4571a0001a9d 100644
--- a/drivers/media/cec/cec-pin-priv.h
+++ b/drivers/media/cec/cec-pin-priv.h
@@ -118,4 +118,6 @@ struct cec_pin {
u32 timer_sum_overrun;
};
+void cec_pin_start_timer(struct cec_pin *pin);
+
#endif
diff --git a/drivers/media/cec/cec-pin.c b/drivers/media/cec/cec-pin.c
index 8e834b9f72c6..67d6ea9f56b6 100644
--- a/drivers/media/cec/cec-pin.c
+++ b/drivers/media/cec/cec-pin.c
@@ -680,6 +680,18 @@ static int cec_pin_adap_log_addr(struct cec_adapter *adap, u8 log_addr)
return 0;
}
+void cec_pin_start_timer(struct cec_pin *pin)
+{
+ if (pin->state != CEC_ST_RX_IRQ)
+ return;
+
+ atomic_set(&pin->work_irq_change, CEC_PIN_IRQ_UNCHANGED);
+ pin->ops->disable_irq(pin->adap);
+ cec_pin_high(pin);
+ cec_pin_to_idle(pin);
+ hrtimer_start(&pin->timer, ns_to_ktime(0), HRTIMER_MODE_REL);
+}
+
static int cec_pin_adap_transmit(struct cec_adapter *adap, u8 attempts,
u32 signal_free_time, struct cec_msg *msg)
{
@@ -689,14 +701,7 @@ static int cec_pin_adap_transmit(struct cec_adapter *adap, u8 attempts,
pin->tx_msg = *msg;
pin->work_tx_status = 0;
pin->tx_bit = 0;
- if (pin->state == CEC_ST_RX_IRQ) {
- atomic_set(&pin->work_irq_change, CEC_PIN_IRQ_UNCHANGED);
- pin->ops->disable_irq(adap);
- cec_pin_high(pin);
- cec_pin_to_idle(pin);
- hrtimer_start(&pin->timer, ns_to_ktime(0),
- HRTIMER_MODE_REL);
- }
+ cec_pin_start_timer(pin);
return 0;
}
--
2.16.1
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