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
