Re: [alsa-devel] Got microphone working with SigmaTel STAC 9221 A1 on a Dell XPS M1210

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At Tue, 12 Jun 2007 23:49:23 -0700,
Eran Guendelman wrote:
> 
> > So, we need to add a new model.  Could you give the output of "lspci
> > -nv", too?  We need PCI SSID to identify the device.  Then I can write
> > a patch to try.
> 
> 00:1b.0 Class 0403: 8086:27d8 (rev 01)
>          Subsystem: 1028:01d7
>          Flags: bus master, fast devsel, latency 0, IRQ 233
>          Memory at efffc000 (64-bit, non-prefetchable) [size=16K]
>          Capabilities: [50] Power Management version 2
>          Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ 
> Queue=0/0 Enable-
>          Capabilities: [70] Express Unknown type IRQ 0
>          Capabilities: [100] Virtual Channel
>          Capabilities: [130] Unknown (5)

OK, looks fine.  Did you try my patch?


> >> - Does the snd_hda_intel driver currently (or will it eventually) 
> >> support dynamic switching so I can switch from the Mic In to Line In or 
> >> to Rear Speakers Out, etc, just like in the Windows driver?
> > 
> > Hm?  It should have already the switches, "Line In As Output" and "Mic
> > As Output"...
> 
> I did see those when I tried the 3stack mode, but in my current fix 
> (modifying "ref" with my pin configs) I don't get such options in the 
> mixer.  Any idea what I would need to do to get it to add these switches 
> to the mixer?  This is the output from "amixer controls"
> 
> numid=8,iface=MIXER,name='Master Playback Switch'
> numid=7,iface=MIXER,name='Master Playback Volume'
> numid=13,iface=MIXER,name='PCM Playback Volume'
> numid=6,iface=MIXER,name='Front Playback Switch'
> numid=5,iface=MIXER,name='Front Playback Volume'
> numid=3,iface=MIXER,name='Capture Switch'
> numid=2,iface=MIXER,name='Capture Volume'
> numid=9,iface=MIXER,name='IEC958 Playback Con Mask'
> numid=10,iface=MIXER,name='IEC958 Playback Pro Mask'
> numid=11,iface=MIXER,name='IEC958 Playback Default'
> numid=12,iface=MIXER,name='IEC958 Playback Switch'
> numid=14,iface=MIXER,name='Digital Capture Volume'
> numid=1,iface=MIXER,name='Input Source'
> numid=4,iface=MIXER,name='Mux Capture Volume'

Could you show the kernel message regarding pin detections (appearing
only when debug options is set)?
The mic/line-in output switches appear only when
	- line_outs are less than 3 (usually 1)
	- line and mic (not fmic or fline) inputs are found


Takashi

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