Commit 0ee492ad authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

media: cec-pin: create cec_pin_start_timer() function 



This function will be needed for injecting a custom pulse.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 6902c88a

drivers/media/cec/cec-pin-priv.h

+2 −0
Original line number Diff line number Diff line
@@ -118,4 +118,6 @@ struct cec_pin { 
	u32				timer_sum_overrun;

};



void cec_pin_start_timer(struct cec_pin *pin);



#endif

drivers/media/cec/cec-pin.c

+13 −8
Original line number Diff line number Diff line
@@ -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;

}