[Gta04-owner] Vibrasound on 3.2 kernel

Dr. H. Nikolaus Schaller hns at goldelico.com
Fri Mar 16 11:12:28 CET 2012

Am 15.03.2012 um 23:53 schrieb Radek Polak:

> On Thursday 15 March 2012 14:04:00 Christoph Mair wrote:
>> On Thu, Mar 15, 2012 at 1:25 PM, Radek Polak <psonek2 at seznam.cz> wrote:
>>> Hi,
>>> is vibration working in 3.2 kernel?
>> IIRC yes. You have to tweak the alsa mixer settings but then you can
>> listen to your music using the vibramotor.
>> Just fire up mplayer and play around with alsamixer.
> Btw is it also possible to do vibrations without alsa? While alsa is nice toy, 
> it would be IMO nicer for telephony to use /sys files like on GTA02. This has 
> the advantage that if alsa for some reason does not work for ringtone, you 
> will still have the phone vibrating. And if you have just vibrations for 
> incoming call, you can even switch the alsa scenarios before you answer the 
> call.

you can test the vibra motor (it may not have good contact) through
a special U-Boot command:


	status vibra 255
	status vibra 0
	status vibra -255


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