linux-kernel - Re: [PATCH v5 3/4] ALSA: cs35l41: Add shared boost feature

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Message-ID: <c09675da-5259-d8f3-77de-da54aef939d4@opensource.cirrus.com>
Date:   Tue, 21 Feb 2023 12:49:14 -0600
From:   David Rhodes <drhodes@...nsource.cirrus.com>
To:     Lucas Tanure <lucas.tanure@...labora.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>
CC:     David Rhodes <david.rhodes@...rus.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        "Rob Herring" <robh+dt@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <patches@...nsource.cirrus.com>, <linux-kernel@...r.kernel.org>,
        <kernel@...labora.com>
Subject: Re: [PATCH v5 3/4] ALSA: cs35l41: Add shared boost feature

On 2/21/23 02:28, Lucas Tanure wrote:
> David can you confirm that both sides should use MDSYNC for boost 
> control source?

Both amps can use the value 'MDSYNC' for BST_CTL_SEL.
The value for the passive amp does not affect the behavior because BST_EN=0.


On 2/21/23 02:28, Lucas Tanure wrote:
 >> I believe there is another change needed for the Deck, to handle the
 >> 'legacy' property names instead of bst-type?
 > I am working with valve to update their bios.

Great, I think that's a better solution.

Thanks,
David