summaryrefslogtreecommitdiffstats
path: root/drivers/pwm/pwm-pca9685.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pwm/pwm-pca9685.c')
-rw-r--r--drivers/pwm/pwm-pca9685.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c
index f230c10d28bb..41be244e7dd3 100644
--- a/drivers/pwm/pwm-pca9685.c
+++ b/drivers/pwm/pwm-pca9685.c
@@ -431,8 +431,8 @@ static int pca9685_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
return ret;
}
-static void pca9685_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
- struct pwm_state *state)
+static int pca9685_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
+ struct pwm_state *state)
{
struct pca9685 *pca = to_pca(chip);
unsigned long long duty;
@@ -458,12 +458,14 @@ static void pca9685_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
*/
state->duty_cycle = 0;
state->enabled = false;
- return;
+ return 0;
}
state->enabled = true;
duty = pca9685_pwm_get_duty(pca, pwm->hwpwm);
state->duty_cycle = DIV_ROUND_DOWN_ULL(duty * state->period, PCA9685_COUNTER_RANGE);
+
+ return 0;
}
static int pca9685_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)