Just thought i'd update on my situation, i've now tested that it is only
the Pulse changing to batch mode that causes my issue. So i'm no longer
running the patch i posted earlier, rather now i do this:
diff -Naur a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
--- a/sound/pci/hda/hda_controller.c 2021-02-10 19:29:23.000000000 +1100
+++ b/sound/pci/hda/hda_controller.c 2021-02-14 00:38:36.602466066 +1100
@@ -609,13 +609,6 @@
20,
178000000);
- /* by some reason, the playback stream stalls on PulseAudio with
- * tsched=1 when a capture stream triggers. Until we figure out the
- * real cause, disable tsched mode by telling the PCM info flag.
- */
- if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND)
- runtime->hw.info |= SNDRV_PCM_INFO_BATCH;
-
if (chip->align_buffer_size)
/* constrain buffer sizes to be multiple of 128
bytes. This is more efficient in terms of memory
------------------
It's my opinion that the above reversion should be done in mainline. A
bugfix that fixes a problem over here but creates a new one over there
isn't a bugfix at all.
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https://bugs.launchpad.net/bugs/1801540
Title:
Microphone distorted sound on ALC892/1220 on AMD chipsets
Status in Linux:
Confirmed
Status in linux package in Ubuntu:
Won't Fix
Status in pulseaudio package in Ubuntu:
Won't Fix
Bug description:
Not sure if I'll report this upstream but there is definitely an issue
with microphone recording on my desktop, this is not happening on my
laptop which has a different codec.
Already tried all workarounds possible, no luck. Only with my desktop
with this particular motherboard. No issues in Windows, the sound
recorded in there is distorted and has some static and robotic tone on
high-pitch.
alsa-info on the attachments
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