linux-kernel - Re: [PATCH AUTOSEL for 4.15 026/102] ASoC: fsl_ssi: only enable proper channel slots in AC'97 mode

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Message-ID: <20180305202504.xdotkyvcjsyt7g6n@sasha-lappy>
Date:   Mon, 5 Mar 2018 20:25:05 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     Mark Brown <broonie@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>
Subject: Re: [PATCH AUTOSEL for 4.15 026/102] ASoC: fsl_ssi: only enable
 proper channel slots in AC'97 mode

On Mon, Mar 05, 2018 at 10:20:09AM +0000, Mark Brown wrote:
>On Sat, Mar 03, 2018 at 10:24:24PM +0000, Sasha Levin wrote:
>
>> We need to make sure that only proper channel slots (in SACCST register)
>> are enabled at playback start time since some AC'97 CODECs (like VT1613 on
>> UDOO board) were observed requesting via SLOTREQ spurious ones just after
>> an AC'97 link is started but before the CODEC is configured by its driver.
>
>This was part of a wider AC'97 rework IIRC and I'm very suspicious of
>backporting it independently.

I'll drop it. Thank you!

-- 

Thanks,
Sasha