On Sat, 24 Oct 2015 00:01:00 +0200, George Gugulea wrote: > > Sure thing, > > Kailang, yes, there is a side headphones jack and it does work OK > after PM suspend-to-ram > > I did `echo 1 > /sys/modules/snd_hda_codec/parameters/dump_coef ` and > I attached the output but you are probably interested in this: > > Node 0x20 [Vendor Defined Widget] wcaps 0xf00040: Mono > ..... > 447c447 > < Coeff 0x1f: 0x00c0 > --- > > Coeff 0x1f: 0x0000 > 464c464 > < Coeff 0x30: 0x00b1 > --- > > Coeff 0x30: 0x0090 > > And after I reset the two processing caps, the sound is back again. > > hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x1f > hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x00c0 > hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x30 > hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x00b1 > > I'm not sure that this are the correct parameters of hda-verb (because > I lack the knowledge of alsa development) but based on the result it > seems to be correct Yes, the command sequences are correct (sorry I didn't write it in details). Mostly only some of these bits are mandatory, but only Realtek knows this secret... Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
