media: ir-rx51: Switch to atomic PWM API
authorMaíra Canal <maira.canal@usp.br>
Thu, 4 Nov 2021 18:50:18 +0000 (18:50 +0000)
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Mon, 15 Nov 2021 08:29:29 +0000 (08:29 +0000)
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@usp.br>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
drivers/media/rc/ir-rx51.c

index a0d9c02..a3b1451 100644 (file)
@@ -19,6 +19,7 @@
 struct ir_rx51 {
        struct rc_dev *rcdev;
        struct pwm_device *pwm;
+       struct pwm_state state;
        struct hrtimer timer;
        struct device        *dev;
        wait_queue_head_t     wqueue;
@@ -32,22 +33,20 @@ struct ir_rx51 {
 
 static inline void ir_rx51_on(struct ir_rx51 *ir_rx51)
 {
-       pwm_enable(ir_rx51->pwm);
+       ir_rx51->state.enabled = true;
+       pwm_apply_state(ir_rx51->pwm, &ir_rx51->state);
 }
 
 static inline void ir_rx51_off(struct ir_rx51 *ir_rx51)
 {
-       pwm_disable(ir_rx51->pwm);
+       ir_rx51->state.enabled = false;
+       pwm_apply_state(ir_rx51->pwm, &ir_rx51->state);
 }
 
 static int init_timing_params(struct ir_rx51 *ir_rx51)
 {
-       struct pwm_device *pwm = ir_rx51->pwm;
-       int duty, period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, ir_rx51->freq);
-
-       duty = DIV_ROUND_CLOSEST(ir_rx51->duty_cycle * period, 100);
-
-       pwm_config(pwm, duty, period);
+       ir_rx51->state.period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, ir_rx51->freq);
+       pwm_set_relative_duty_cycle(&ir_rx51->state, ir_rx51->duty_cycle, 100);
 
        return 0;
 }
@@ -242,6 +241,7 @@ static int ir_rx51_probe(struct platform_device *dev)
 
        /* Use default, in case userspace does not set the carrier */
        ir_rx51.freq = DIV_ROUND_CLOSEST_ULL(pwm_get_period(pwm), NSEC_PER_SEC);
+       pwm_init_state(pwm, &ir_rx51.state);
        pwm_put(pwm);
 
        hrtimer_init(&ir_rx51.timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);