On Mon, 02 Nov 2015 08:30:19 +0100, Yang, Libin wrote: > > > > -----Original Message----- > > From: Takashi Iwai [mailto:tiwai@xxxxxxx] > > Sent: Friday, October 30, 2015 7:27 PM > > To: Yang, Libin > > Cc: Lin, Mengdong; David Henningsson; Raymond Yau; airlied@xxxxxxxx; > > tanuk@xxxxxx; ALSA Development Mailing List; Girdwood, Liam R; Lu, > > Han > > Subject: Re: DP1.2 MST audio support discussion > > > > On Tue, 27 Oct 2015 09:45:17 +0100, > > Yang, Libin wrote: > > > > > > Hi Takashi and David, > > > > > > There are still some opens. Would you please help to comment? > > > > > > 1. SPDIF kctl. > > > This SPDIF number will be the same as PCM and be bound to the PCM. > > > The pin nid of SPDIF will not be initialized. And the pin nid will be > > assigned > > > After PCM is bound to the pin. (How to assign?) > > > > I don't understand the question. Could you elaborate? > > In alsamixer for HDMI, we can see S/PDIF ctl to control > mute/unmute. Also in driver, we can see it creates the > ctls with snd_hda_create_dig_out_ctls() in build_controls() > based on pin number. I wonder whether user space use > these ctls based on pin or pcm? Suppose it should be also > based on PCM, right? Right, these are for PCMs Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
