At Fri, 31 Oct 2008 21:55:43 +1300, Eliot Blennerhassett wrote: > > Greetings, > > I have acer 4315 laptop with realtek alc268 codec. > (It also has hda modem which I don't use.) > > Looking at the datasheet, the codec has 2 PCM outs, but alsa hda driver > with model=acer shows only one. > > I want to know if I can enable the 2nd output, and use the external mic > jack as a second line out? > > I can see that PCM2/LOUT2 connects to HP-OUT (widget 0x15), while > PCM1/LOUT1 connects to several pins 0x[14,15,16,18,1A] > > How do I go about testing this. Does the hda model=test enable *every* > widget and PCM and allow change of pin direction etc? > > BTW I want to use the 2nd output as the secondar "preview" (prelisten?) > headphone output for my audio player (pytone), while main output is > going to speakers. The multi streams (not multi channels) aren't supported yet for Realtek codec support codes. So it won't work as is. It's on my TODO list. A basic framework was already prepared. spec->stream_analog_alt_playback can store the stream setup. But it's not used yet in the codec setup code. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel