[Gta04-owner] QtMoko v48 - Sound

Gilles Filippini gilles.filippini at free.fr
Sun Sep 16 23:42:04 CEST 2012


NeilBrown a écrit , Le 16/09/2012 22:56:
> On Sun, 16 Sep 2012 14:34:23 +0200 Gilles Filippini
> <gilles.filippini at free.fr> wrote:
> 
>> Regarding Headset jack detection, is there any threshold I could play with?
> 
> Only as code in the kernel.
> However you can look at the values being reported.  They might help me choose
> thresholds that will work generally.
> Run
> 
>    watch -n 0.2 -d cat /sys/class/hwmon/hwmon0/device/in7_input 
> 
> or just look at the file from time to time, and report the value when
>  - no headset in plugged in
>  - headset without mic plugged in
>  - headset with mic plugged in.

This file doesn't exist on my system:
> root at neo:~# cat /sys/class/hwmon/hwmon0/device/in7_input
> cat: /sys/class/hwmon/hwmon0/device/in7_input: No such file or directory
> root at neo:~# ls -l /sys/class/hwmon/
> total 0
> root at neo:~# uname -a
> Linux neo 3.5.0-gta04-qtmoko-v48 #1 PREEMPT Mon Aug 27 10:26:47 UTC
2012 armv7l GNU/Linux

This is the stock kernel from qtmoko-gta04 v48. Should I take a kernel
from elsewhere?

Thanks,

_g.


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