I think you just need to recompile the kernel with the code provided. Then you use alsamixer to tell which device captures sounds
2014-06-03 20:51 GMT+04:00 Tristan Phillips <[email protected]>: > Thank you, does that mean I need a device tree overlay that tells the > driver I'm using a mic as well as line in? > > Will I need to recompile the kernel to apply this patch? > > > On Tuesday, 3 June 2014 17:48:15 UTC+1, lisarden wrote: > >> Hi! >> >> diff --git a/sound/soc/davinci/davinci-evm.c >> b/sound/soc/davinci/davinci-evm.c >> index 7ad7b37..e196aa5 100644 >> --- a/sound/soc/davinci/davinci-evm.c >> +++ b/sound/soc/davinci/davinci-evm.c >> @@ -117,15 +117,13 @@ static const struct snd_soc_dapm_route audio_map[] = { >> {"Line Out", NULL, "RLOUT"}, >> >> /* Mic connected to (MIC3L | MIC3R) */ >> - {"MIC3L", NULL, "Mic Bias 2V"}, >> - {"MIC3R", NULL, "Mic Bias 2V"}, >> - {"Mic Bias 2V", NULL, "Mic Jack"}, >> + {"LINE2L", NULL, "Mic Bias 2.5V"}, >> + {"LINE2R", NULL, "Mic Bias 2.5V"}, >> + {"Mic Bias 2.5V", NULL, "Mic Jack"}, >> >> /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */ >> {"LINE1L", NULL, "Line In"}, >> - {"LINE2L", NULL, "Line In"}, >> {"LINE1R", NULL, "Line In"}, >> - {"LINE2R", NULL, "Line In"}, >> }; >> >> >> >> >> 2014-06-03 20:14 GMT+04:00 Tristan Phillips <[email protected]>: >> >>> >>> Hi, >>> >>> I'm wondering how I can set the mic bias voltage level on the Audio >>> Cape, it is currently off and I cannot get my mic to work. Can I do this >>> via alsa or something similar? >>> >>> Thank you, >>> >>> Tris >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy >> Company - http://www.linkedin.com/company/mentorel >> Facebook - https://www.facebook.com/mentorel.company >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- LinkedIn - http://www.linkedin.com/in/maximpodbereznyy Company - http://www.linkedin.com/company/mentorel Facebook - https://www.facebook.com/mentorel.company -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
