Commit 8985696a authored by Maíra Canal's avatar Maíra Canal Committed by Mauro Carvalho Chehab
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media: rc: pwm-ir-tx: Switch to atomic PWM API 



Remove legacy PWM interface (pwm_config, pwm_enable, pwm_disable) and
replace it for the atomic PWM API.

Signed-off-by: default avatarMaíra Canal <maira.canal@usp.br>
Acked-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 22054672

drivers/media/rc/pwm-ir-tx.c

+9 −9
Original line number Diff line number Diff line
@@ -53,22 +53,21 @@ static int pwm_ir_tx(struct rc_dev *dev, unsigned int *txbuf, 
{

	struct pwm_ir *pwm_ir = dev->priv;

	struct pwm_device *pwm = pwm_ir->pwm;

	int i, duty, period;

	struct pwm_state state;

	int i;

	ktime_t edge;

	long delta;



	period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, pwm_ir->carrier);

	duty = DIV_ROUND_CLOSEST(pwm_ir->duty_cycle * period, 100);

	pwm_init_state(pwm, &state);



	pwm_config(pwm, duty, period);

	state.period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, pwm_ir->carrier);

	pwm_set_relative_duty_cycle(&state, pwm_ir->duty_cycle, 100);



	edge = ktime_get();



	for (i = 0; i < count; i++) {

		if (i % 2) // space

			pwm_disable(pwm);

		else

			pwm_enable(pwm);

		state.enabled = !(i % 2);

		pwm_apply_state(pwm, &state);



		edge = ktime_add_us(edge, txbuf[i]);

		delta = ktime_us_delta(edge, ktime_get());
@@ -76,7 +75,8 @@ static int pwm_ir_tx(struct rc_dev *dev, unsigned int *txbuf, 
			usleep_range(delta, delta + 10);

	}



	pwm_disable(pwm);

	state.enabled = false;

	pwm_apply_state(pwm, &state);



	return count;

}