(In reply to Takashi Iwai from comment #153)
> It's a good news. 3 is a workaround for VIA chip, but this seems applicable
> to AMD, then.
>
> The only concern is whether the AMD chip really provides the right FIFO size
> by the register read for VIA. Could you check which value is shown by the
> patch below? If it's 32 or some reasonable number, it's fine.
>
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -1467,6 +1467,9 @@ static void assign_position_fix(struct azx *chip, int
> fix)
> azx_get_delay_from_lpib;
> }
>
> + pr_info("XXX fifo_size = %d\n",
> + readw(azx_bus(chip)->remap_addr +
> + VIA_IN_STREAM0_FIFO_SIZE_OFFSET));
> }
I have the suspect that it doesn't, since it mentions a null pointer
kernel dereference; module crash attached below.
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https://bugs.launchpad.net/bugs/1801540
Title:
Microphone distorted sound on ALC892/1220 on AMD chipsets
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