diff options
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-stmpe.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-stmpe.c b/drivers/pwm/pwm-stmpe.c index c4336d3bace3..5d4a4762ce0c 100644 --- a/drivers/pwm/pwm-stmpe.c +++ b/drivers/pwm/pwm-stmpe.c @@ -259,10 +259,33 @@ static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, return 0; } +static int stmpe_24xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, + const struct pwm_state *state) +{ + int err; + + if (state->polarity != PWM_POLARITY_NORMAL) + return -EINVAL; + + if (!state->enabled) { + if (pwm->state.enabled) + stmpe_24xx_pwm_disable(chip, pwm); + + return 0; + } + + err = stmpe_24xx_pwm_config(pwm->chip, pwm, state->duty_cycle, state->period); + if (err) + return err; + + if (!pwm->state.enabled) + err = stmpe_24xx_pwm_enable(chip, pwm); + + return err; +} + static const struct pwm_ops stmpe_24xx_pwm_ops = { - .config = stmpe_24xx_pwm_config, - .enable = stmpe_24xx_pwm_enable, - .disable = stmpe_24xx_pwm_disable, + .apply = stmpe_24xx_pwm_apply, .owner = THIS_MODULE, }; |