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pwm: Use -EINVAL for unsupported polarity 

Instead of using a mix of -EOPNOTSUPP and -ENOTSUPP, use the more
standard -EINVAL to signal that the specified polarity value was
invalid.

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Thierry Reding 2020-11-11 21:18:11 +01:00
parent f14a8f0ef9
commit 2b1c1a5d51
3 changed files with 3 additions and 3 deletions
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2
drivers/pwm/pwm-crc.c
View File

@ -64,7 +64,7 @@ static int crc_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
}
if (state->polarity != PWM_POLARITY_NORMAL)
return -EOPNOTSUPP;
return -EINVAL;
if (pwm_is_enabled(pwm) && !state->enabled) {
err = regmap_write(crc_pwm->regmap, BACKLIGHT_EN, 0);

2
drivers/pwm/pwm-iqs620a.c
View File

@ -50,7 +50,7 @@ static int iqs620_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
int ret;
if (state->polarity != PWM_POLARITY_NORMAL)
return -ENOTSUPP;
return -EINVAL;
if (state->period < IQS620_PWM_PERIOD_NS)
return -EINVAL;

2
drivers/pwm/pwm-rcar.c
View File

@ -168,7 +168,7 @@ static int rcar_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
/* This HW/driver only supports normal polarity */
if (state->polarity != PWM_POLARITY_NORMAL)
return -ENOTSUPP;
return -EINVAL;
if (!state->enabled) {
rcar_pwm_disable(rp);