On Thu, Mar 09, 2023 at 02:10:08AM +0100, Lorenz Brun wrote: > PWM fans are controlled solely by the duty cycle of the PWM signal, they > do not care about the exact timing. Thus set usage_power to true to > allow less flexible hardware to work as a PWM source for fan control. > > Signed-off-by: Lorenz Brun <lorenz@xxxxxxxx> Applied to hwmon-next. Thanks, Guenter > --- > drivers/hwmon/pwm-fan.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c > index 83a347ca35da..aa746c2bde39 100644 > --- a/drivers/hwmon/pwm-fan.c > +++ b/drivers/hwmon/pwm-fan.c > @@ -507,6 +507,14 @@ static int pwm_fan_probe(struct platform_device *pdev) > > pwm_init_state(ctx->pwm, &ctx->pwm_state); > > + /* > + * PWM fans are controlled solely by the duty cycle of the PWM signal, > + * they do not care about the exact timing. Thus set usage_power to true > + * to allow less flexible hardware to work as a PWM source for fan > + * control. > + */ > + ctx->pwm_state.usage_power = true; > + > /* > * set_pwm assumes that MAX_PWM * (period - 1) fits into an unsigned > * long. Check this here to prevent the fan running at a too low
