Hello Clemens,
On Mon, Mar 29, 2021 at 07:33:56PM +0200, Clemens Gruber wrote:
> On Mon, Mar 29, 2021 at 07:15:59PM +0200, Uwe Kleine-König wrote:
> > On Mon, Mar 29, 2021 at 02:57:06PM +0200, Clemens Gruber wrote:
> > > @@ -330,14 +345,22 @@ static int pca9685_pwm_apply(struct pwm_chip *chip,
>
On Mon, Mar 29, 2021 at 07:15:59PM +0200, Uwe Kleine-König wrote:
> On Mon, Mar 29, 2021 at 02:57:06PM +0200, Clemens Gruber wrote:
> > @@ -330,14 +345,22 @@ static int pca9685_pwm_apply(struct pwm_chip *chip,
> > struct pwm_device *pwm,
> >
> > if (!state->enabled || duty < 1) {
> >
On Mon, Mar 29, 2021 at 02:57:06PM +0200, Clemens Gruber wrote:
> @@ -330,14 +345,22 @@ static int pca9685_pwm_apply(struct pwm_chip *chip,
> struct pwm_device *pwm,
>
> if (!state->enabled || duty < 1) {
> pca9685_pwm_set_duty(pca, pwm->hwpwm, 0);
> + clear_bit(p
Previously, the last used PWM channel could change the global prescale
setting, even if other channels are already in use.
Fix it by only allowing the first user of the prescaler to change the
global chip-wide prescale setting. If there is more than one channel in
use, the prescale settings result
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