linux-kernel - Re: [PATCH 6.4, 6.5] ASoC: cs35l56: Disable low-power hibernation mode

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Message-ID: <ZRVn6B6kFnuyjAcM@sashalap>
Date:   Thu, 28 Sep 2023 07:47:52 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Richard Fitzgerald <rf@...nsource.cirrus.com>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org, patches@...nsource.cirrus.com,
        Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH 6.4, 6.5] ASoC: cs35l56: Disable low-power hibernation
 mode

On Mon, Sep 25, 2023 at 04:14:43PM +0100, Richard Fitzgerald wrote:
>commit 18789be8e0d9fbb78b2290dcf93f500726ed19f0 upstream.
>Please apply to 6.4 and 6.5.
>
>Do not allow the CS35L56 to be put into its lowest power
>"hibernation" mode. This only affects I2C because "hibernation"
>is already disabled on SPI and SoundWire.
>
>Recent firmwares need a different wake-up sequence. Until
>that sequence has been specified, the chip "hibernation" mode
>must be disabled otherwise it can intermittently fail to wake.
>
>Backport note: This is the same change as upstream commit, to delete
>one line, but the upstream commit would not apply cleanly on older
>branches because of minor differences to the surrounding code.

Queued up for 6.5. 6.4 is EOL.

-- 
Thanks,
Sasha