linux-kernel - Re: [PATCH 0/4] ASoC/soundwire: log actual PING status on resume issues

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Date:   Mon, 18 Jul 2022 11:15:11 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bard Liao <yung-chuan.liao@...ux.intel.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        tiwai@...e.de, broonie@...nel.org,
        pierre-louis.bossart@...ux.intel.com, bard.liao@...el.com
Subject: Re: [PATCH 0/4] ASoC/soundwire: log actual PING status on resume
 issues

On 14-07-22, 09:10, Bard Liao wrote:
> we've been stuck with problems in the dual-amplifier configurations where
> one of the two devices seems to become UNATTACHED and never regains sync,
> see https://github.com/thesofproject/linux/issues/3638.
> 
> This is a rather infrequent issue that may happen once or twice per month,
> but still it remains a concern.
> 
> One possibility is that the device does lose sync but somehow our hardware
> detection fails to see it resync.
> 
> This series just adds a basic read directly from the PING frames to help
> confirm if yes/no the device regain sync.
> 
> The change is mainly on soundwire. @Mark, Could you ack the ASoC patch
> if it looks good to you?

Mark,

The series lgtm, feel free to merge thru ASoC tree with:

Acked-By: Vinod Koul <vkoul@...nel.org>

> 
> Pierre-Louis Bossart (4):
>   soundwire: add read_ping_status helper definition in manager ops
>   soundwire: intel/cadence: expose PING status in manager ops
>   soundwire: add sdw_show_ping_status() helper
>   ASoC: codecs: show PING status on resume failures
> 
>  drivers/soundwire/bus.c            | 32 ++++++++++++++++++++++++++++++
>  drivers/soundwire/cadence_master.c |  8 ++++++++
>  drivers/soundwire/cadence_master.h |  2 ++
>  drivers/soundwire/intel.c          |  1 +
>  include/linux/soundwire/sdw.h      |  5 +++++
>  sound/soc/codecs/max98373-sdw.c    |  2 ++
>  sound/soc/codecs/rt1308-sdw.c      |  2 ++
>  sound/soc/codecs/rt1316-sdw.c      |  2 ++
>  sound/soc/codecs/rt5682-sdw.c      |  2 ++
>  sound/soc/codecs/rt700-sdw.c       |  2 ++
>  sound/soc/codecs/rt711-sdca-sdw.c  |  2 ++
>  sound/soc/codecs/rt715-sdca-sdw.c  |  2 ++
>  sound/soc/codecs/rt715-sdw.c       |  2 ++
>  13 files changed, 64 insertions(+)
> 
> -- 
> 2.25.1

-- 
~Vinod