@@ -391,11 +391,34 @@ static int sti_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
return ret;
}
+static int sti_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)
+ sti_pwm_disable(chip, pwm);
+
+ return 0;
+ }
+
+ err = sti_pwm_config(pwm->chip, pwm, state->duty_cycle, state->period);
+ if (err)
+ return err;
+
+ if (!pwm->state.enabled)
+ err = sti_pwm_enable(chip, pwm);
+
+ return err;
+}
+
static const struct pwm_ops sti_pwm_ops = {
.capture = sti_pwm_capture,
- .config = sti_pwm_config,
- .enable = sti_pwm_enable,
- .disable = sti_pwm_disable,
+ .apply = sti_pwm_apply,
.free = sti_pwm_free,
.owner = THIS_MODULE,
};
To eventually get rid of all legacy drivers convert this driver to the modern world implementing .apply(). This just pushed a variant of pwm_apply_legacy() into the driver that was slightly simplified because the driver doesn't provide a .set_polarity() callback. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/pwm/pwm-sti.c | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) base-commit: 2bf8ee0faa988b5cec3503ebf2f970a0e84d24ee