Re: [PATCH v3 0/3] input: pwm-beeper: add feature to set volume level

[Dmitry Torokhov]

On Thu, Jan 19, 2017 at 04:24:07PM +0100, Frieder Schrempf wrote:
> Make the driver accept switching volume levels via sysfs.
> This can be helpful if the beep/bell sound intensity needs
> to be adapted to the environment of the device.
> 
> The number of volume levels available and their values can
> be specified via device tree (similar to pwm-backlight).
> 
> The volume adjustment is done by changing the duty cycle of
> the pwm signal.

I wonder how this all will mesh up with beepers that have dedicated
amplifiers (support is being added by David Lechner).

Thanks.

-- 
Dmitry