On Thu, 14 May 2009 08:27:11 +0300 Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx> wrote: > That is why I'm a bit nervous when I need to touch the core... It has > been working fine for all other codes so far. > In the twl4030 codec case, the playback involves the following chain > in DAPM domain: > > Headset, PreDrive, Carkit, Earpiece: > DAC -> PGA -> Mixer -> output pin. > > Handsfree: > DAC -> PGA -> Mux -> output pin. > ... > Is it possible to add several SND_SOC_DAPM_PRE to the DAPM routing? > For example to the HeadsetL, HeadsetR, HandsFreeL and HandsFreeR? How > does it than would work? > If this is possible, than I can handle the correct power up/down > sequences required for the twl4030 codec. > My two cents: Would it be possible to implement 'fake' PGA or amplifier into TWL outputs which only controls the power state of mixer and mux? -- Jarkko _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
