Re: [Alsa-user] Parallel playback on multiple USB cards

2020-08-14 Thread Clemens Ladisch via Alsa-user
Alexandre Bouillot wrote: > ... Raspberry Pi > > I'm able to address each of the 6 cards independently correctly. > However, when I'm trying to have a second channel - not to mention the third > - working in parallel with the first, I face problems. >From what I've heard, the Pi's USB controller

Re: [Alsa-user] Onboard HDA/ALC898 works only after 60 second delay after booting

2020-08-14 Thread Shapeshifter
Hi, thanks for your reply. On 2020-08-14 11:07, Kai Vehmanen wrote: > Are you using the i915 driver at all? If > you load it (even if not using it for displays), that should help with the > delay as well. I'm not using i915, but it is loaded by default. I also tried building it into the

[Alsa-user] Parallel playback on multiple USB cards

2020-08-14 Thread Alexandre Bouillot
Hi, I'm trying to set up a system for audio measurements and I'm trying to have a 3 channels solution using one single host (currently a Raspberry Pi, might migrate to x86 later on if needed). I have the one channel system working with two USB audio cards - one for emitting the sound and the

Re: [Alsa-user] Onboard HDA/ALC898 works only after 60 second delay after booting

2020-08-14 Thread Kai Vehmanen
Hi, On Fri, 14 Aug 2020, Shapeshifter wrote: > some months ago, presumably after a kernel update, my system (archlinux) > started having the following problem. > > After booting, it takes pretty much exactly 1 minute for the HDA Intel > PCH / Realtek ALC898 audio card and devices to become

[Alsa-user] Onboard HDA/ALC898 works only after 60 second delay after booting

2020-08-14 Thread Shapeshifter
Hi, some months ago, presumably after a kernel update, my system (archlinux) started having the following problem. After booting, it takes pretty much exactly 1 minute for the HDA Intel PCH / Realtek ALC898 audio card and devices to become available. Here's dmesg | grep snd: