Re: [GIT PULL] sound updates for 5.16-rc1

["Kirill A. Shutemov" <kirill@shutemov.name>]

On Wed, Nov 03, 2021 at 11:24:10AM +0100, Takashi Iwai wrote:
> Linus,
> 
> please pull sound updates for v5.16-rc1 from:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git tags/sound-5.16-rc1
> 
> The topmost commit is df0380b9539b04c1ae8854a984098da06d5f1e67
> 
> ----------------------------------------------------------------
> 
> sound updates for 5.16-rc1
> 
> Lots of code development have been see in ASoC side as usual, while
> the continued development on memalloc helper and USB-audio low-
> latency support are found in the rest.  Note that a few changes in the
> unusual places like arch/sh are included, which are a part of ASoC DAI
> format cleanups.
> 
> ALSA core:
> - Continued memallloc helper updates and cleanups, now supporting
>   non-coherent and non-contiguous pages
> - Fixes for races in mixer OSS layer
> 
> ASoC:
> - A new version of the audio graph card which supports a wider range
>   of systems
> - Several conversions to YAML DT bindings
> - Continuing cleanups to the SOF and Intel code
> - Move of the Cirrus DSP framework into drivers/firmware to allow for
>   future use by non-audio DSPs
> - An overhaul of the cs42l42 driver, correcting many problems
> - DAI format terminology conversions over many drivers for cleanups
> - Support for AMD Vangogh and Yelow Cap, Cirrus CS35L41, Maxim
>   MAX98520 and MAX98360A, Mediatek MT8195, Nuvoton NAU8821, nVidia
>   Tegra210, NXP i.MX8ULP, Qualcomm AudioReach, Realtek ALC5682I-VS,
>   RT5682S, and RT9120 and Rockchip RV1126 and RK3568
> 
> USB-audio:
> - Continued improvements on low-latency playback
> - Quirks for Pioneer devices, Line6 HX-Stomp XL, Audient iD14
> 
> HD-audio:
> - Reduce excessive udelay() calls on Intel platforms; this should
>   reduce the CPU load with PulseAudio
> - Quirks for HP and Clevo laptops
> 
> FireWire:
> - Support for meter information on MOTU
> 

...

> Takashi Iwai (29):
>       ALSA: hda: Reduce udelay() at SKL+ position reporting
>       ALSA: hda: Use position buffer for SKL+ again
>       ALSA: usb-audio: Restrict rates for the shared clocks
>       ALSA: usb-audio: Fix possible race at sync of urb completions
>       ALSA: usb-audio: Rename early_playback_start flag with lowlatency_playback
>       ALSA: usb-audio: Disable low-latency playback for free-wheel mode
>       ALSA: usb-audio: Disable low-latency mode for implicit feedback sync
>       ALSA: usb-audio: Check available frames for the next packet size
>       ALSA: usb-audio: Add spinlock to stop_urbs()
>       ALSA: usb-audio: Improved lowlatency playback support

This commit breaks audio playback for me. The sample plays for fraction of
a second than stops.

I use SMSL SA300. Let me know what ifo is needed to track it down.

Also I can test potential fixups if needed.

-- 
 Kirill A. Shutemov