linux-kernel - Re: [PATCH AUTOSEL 5.10 13/21] ASoC: soc-pcm: test if a BE can be prepared

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Message-ID: <ZIy4WMDkMqxNoEg/@duo.ucw.cz>
Date:   Fri, 16 Jun 2023 21:30:32 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org
Subject: Re: [PATCH AUTOSEL 5.10 13/21] ASoC: soc-pcm: test if a BE can be
 prepared

Hi!

> This problem was detected on Intel IPC4/SoundWire devices, where the BE
> dailink .prepare stage is used to configure the SoundWire stream with a
> bank switch. Multiple .prepare calls lead to conflicts with the .trigger
> operation with IPC4 configurations. This problem was not detected earlier
> on Intel devices, HDaudio BE dailinks detect that the link is already
> prepared and skip the configuration, and for IPC3 devices there is no BE
> trigger.
> 
> Link: https://github.com/thesofproject/sof/issues/7596
> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com
> Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com
> Link: https://lore.kernel.org/r/20230517185731.487124-1-pierre-louis.bossart@linux.intel.com
> Signed-off-by: Mark Brown <broonie@...nel.org
> Signed-off-by: Sasha Levin <sashal@...nel.org>

">"s are missing in the email addresses here.

Best regards,
								Pavel
								
-- 
DENX Software Engineering GmbH,        Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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