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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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