On Thu, 03 Jan 2019 12:43:54 +0100, Con Kolivas wrote: > > Upon switching from 4.19.0 to 4.20.0, pulseaudio started complaining > that sinks that previously worked are no longer supported. > > On 4.19.0 trying 24 bit 88200, 176400, and 192000 I get the following > output from pulse. > resampler.c: Forcing resampler 'copy', because of fixed, identical > sample rates.sink-input.c: Created input 15 "Playback Stream" on > alsa_output.usb-DSPeaker_Anti-Mode_X4-00.iec958-stereo with sample > spec float32le 2ch 176400Hz and channel map front-left,front-right > > Switching to 4.20 gives me: > alsa-sink.c: Sink does not support sample rate of 176400 Hz > and > alsa-sink.c: Sink does not support sample rate of 88200 Hz > and > alsa-sink.c: Sink does not support sample rate of 192000 Hz > > Sample rates of 44100, 48000, and 96000 work fine, but 88200, 176400, > and 192000 no longer work > > Switching back to 4.19 immediately fixes the issue. > > > I tried looking through the alsa changelogs but there were too many to > give an obvious culprit, and haven't had time to do a git bisect. If > there's an obvious choice patch to back out I'd be grateful for the > heads up. Hm, through a quick glance, there hasn't been any relevant changes in USB-audio part (sound/usb/*). Also, the changes in sound/core/* are irrelevant with your problem. So I have no idea what went wrong. The bisection, or at least, narrowing down the commits would be helpful. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
