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Message-ID: <YXU2i0FtAGDRCMSu@fedora> Date: Sun, 24 Oct 2021 07:33:47 -0300 From: Maíra Canal <maira.canal@....br> To: sean@...s.org, mchehab@...nel.org, thierry.reding@...il.com, u.kleine-koenig@...gutronix.de, lee.jones@...aro.org Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org Subject: [PATCH v3] 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: Maíra Canal <maira.canal@....br> --- V1 -> V2: Assign variables directly and simplify conditional statement V2 -> V3: Fix declaration of undeclared variable --- drivers/media/rc/pwm-ir-tx.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/media/rc/pwm-ir-tx.c b/drivers/media/rc/pwm-ir-tx.c index 4bc28d2c9cc9..e1f348a962e8 100644 --- a/drivers/media/rc/pwm-ir-tx.c +++ b/drivers/media/rc/pwm-ir-tx.c @@ -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); + state.duty_cycle = DIV_ROUND_CLOSEST(pwm_ir->duty_cycle * state.period, 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; } -- 2.31.1
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