Re: [PATCH v2] hwmon: max31790: revise the scale to write pwm

[Guenter Roeck]

On Tue, Apr 16, 2024 at 10:22:11AM +0800, Delphine CC Chiu wrote:
> Since the value for PWMOUT Target Duty Cycle register is a 9 bit
> left-justified value that ranges from 0 to 511 and is contained in 2
> bytes.
> 
> There is an issue that the PWM signal recorded by oscilloscope would
> not be on consistently if we set PWM to 100% to the driver.
> 
> It is because the LSB of the 9 bit would always be zero if it just
> left shift 8 bit for the value that write to PWMOUT Target Duty
> Cycle register.
> 
> Therefore, revise the scale of the value that was written to pwm input
> from 255 to 511 and modify the value to left-justified value.
> 
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@xxxxxxxxxx>

Applied.

Thanks,
Guenter