[Letux-kernel] Audio Offset for handsfree speakers
info at openpandora.de
Wed Dec 1 19:23:41 CET 2021
Am Mittwoch, dem 01.12.2021 um 19:04 +0100 schrieb H. Nikolaus Schaller:
> > Just changing one register does sound easy enough to do - but as a
> > non-developer, I need help with that.
> > Does the driver already support that?
> Well, there is code - but it is not in operation and likely very broken:
> > If not, is it hard to implement?
> Some definitions are also there:
> What I am not sure is if this is just code to prepare the aess driver/firmware
> to write these registers.
Well, it should work without the whole AESS / ABE stuff working, so it should be
possible to be made to work in a simple driver as well.
> > Can I set the register directly for testing to find the proper value?
> > If so, how? (Which command do I need to run to change it?)
> Since the chip is connected by i2c you can write registers by i2cset
> or probably better is through the debugfs which allows to read/write regmaps.
Okay... no idea how exactly I can do that, but as far as I can see I use i2cset
to find out the address of the chip on the bus and then send the register
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