On Wed, 03 Jun 2020 12:32:41 +0200, Mukunda, Vijendar wrote: > > > > > -----Original Message----- > > From: Takashi Iwai <tiwai@xxxxxxx> > > Sent: Wednesday, June 3, 2020 3:05 PM > > To: Hui Wang <hui.wang@xxxxxxxxxxxxx> > > Cc: Jaroslav Kysela <perex@xxxxxxxx>; Mukunda, Vijendar > > <Vijendar.Mukunda@xxxxxxx>; alsa-devel@xxxxxxxxxxxxxxxx > > Subject: Re: alsa-project alsa-ucm : Audio endpoint is not switching when > > external mic connected > > > > On Wed, 03 Jun 2020 02:36:25 +0200, > > Hui Wang wrote: > > > > > > > > > On 2020/6/3 上午3:39, Jaroslav Kysela wrote: > > > > Dne 02. 06. 20 v 19:57 Mukunda, Vijendar napsal(a): > > > >> We recently up streamed ACP PDM driver for Renoir APU. > > > >> > > > >> Our ACP IP has an internal PDM Decoder block where DMIC is directly > > > >> connected. > > > >> There are no KControls defined for PDM Driver. > > > >> > > > >> Our platform supports on board DMIC and South bridge Azalia (HD > > > >> Audio ) endpoint . > > > >> By default, DMIC endpoint is used as audio input device. > > > >> When Headset Mic jack connected, it's not switching to External Mic. > > > > > > > > Make sure that the Headset Mic priority port in pulseaudio is is > > > > greater than the one for DMIC. > > > > > > > >> How does audio endpoint will switch in gnome when external mic is > > > >> connected? > > > >>> From our understanding, UCM conf file for HDA driver is also > > > >>> required for > > > >> configuring mixer controls for HD Audio capture device. > > > >> Similarly when External Mic is removed , it has to switch to > > > >> internal dmic . > > > > > > > > An configuration example for UCM (DMIC connected to DSP, HDA codec > > > > for rest): > > > > > > > > > > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub > > .com%2Falsa-project%2Falsa-ucm-conf%2Ftree%2Fmaster%2Fucm2%2Fsof- > > hda- > > dsp&data=02%7C01%7CVijendar.Mukunda%40amd.com%7C5fbb3a516d5 > > 24c73568d08d807a157a1%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C > > 0%7C637267736827671946&sdata=0aO7dbLATuW%2BIeJsjWoWCGOaYEO > > WQaVwI9izppB3v7k%3D&reserved=0 > > > > > > > > If you need a help to create a new configuration for your hardware, > > > > show the output from the alsa-info.sh script, please. > > > > > > > > Jaroslav > > > > > > This audio design is a bit different from sof-hda-dsp, the dmic is on > > > a standalone sound card. Please see the alsa-info.txt: > > > > > > > > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpasteb > > in.ubuntu.com%2Fp%2F4kprhDZYbg%2F&data=02%7C01%7CVijendar.Mu > > kunda%40amd.com%7C5fbb3a516d524c73568d08d807a157a1%7C3dd8961fe4 > > 884e608e11a82d994e183d%7C0%7C0%7C637267736827671946&sdata=Q > > 50xNbF1KSqasNa0UyKzUFAzOc9KPIguBjgYHr1XSbg%3D&reserved=0 > > > > And that's an interesting case. Can we manage multiple cards in a > > single UCM profile? > > > > > > Takashi > > I am not much familiar with UCM files creation. > As per my understanding, UCM entries will program the mixer controls > depending up on the use case and selected device. UCM is more than that. It manages which PCM device is chosen, which jack control corresponds, etc, too. Takashi
