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
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