On Monday 08 November 2010 14:01:05 Henry Gomersall wrote:
> I have a problem with my laptop in which the main speakers are never
> used regardless of the state of the headphone plug.
>
> Now, it turns out that plugging any 3.5mm plug into the adjacent
> microphone socket and wiggling it a little can persuade the speakers to
> jump into life. I suspect that I have an intermittent hardware problem,
> but since I first noticed the problem around a OS upgrade (I rarely use
> the speakers) I would like to rule out a software problem before I start
> brandishing my soldering iron on my otherwise functional laptop.
>
> Is there any way I can access the realtime plug state of the headphone
> and microphone sockets? It doesn't appear obvious in the /sys or /proc
> trees.
>
> My hardware is an Intel HDA card in a Dell Inspiron 9400.
>
>
I had the same problem with dell v13 laptop. Read documentation in
/usr/src/linux/Documentation/sound/alsa/hda/models or somth alike
and pass option model=whatyoufind in documentation. In my case the chip is
Realtek ALC269 and aviable models is:
ALC269
======
basic Basic preset
quanta Quanta FL1
eeepc-p703 ASUS Eeepc P703 P900A
eeepc-p901 ASUS Eeepc P901 S101
fujitsu FSC Amilo
lifebook Fujitsu Lifebook S6420
auto auto-config reading BIOS (default)
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