linux-kernel - Re: [PATCH v4] ASoC: cs35l41: Steam Deck Shared boost properties quirk

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Message-ID: <2881f527-1673-3496-85a2-84a13f074248@linaro.org>
Date:   Thu, 9 Mar 2023 11:42:42 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Lucas Tanure <lucas.tanure@...labora.com>,
        David Rhodes <david.rhodes@...rus.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        "Takashi Iwai --cc=alsa-devel @ alsa-project . org" <tiwai@...e.com>
Cc:     patches@...nsource.cirrus.com, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: Re: [PATCH v4] ASoC: cs35l41: Steam Deck Shared boost properties
 quirk

On 09/03/2023 11:41, Lucas Tanure wrote:
> Add support for Steam Deck bios old properties. If a Steam deck didn't
> upgrade the BIOS, the driver should be able to handle the previous
> properties for shared boost types.
> 
> Signed-off-by: Lucas Tanure <lucas.tanure@...labora.com>
> Acked-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
> ---
> Changes since V3:
>  - Fixed missing space in if statement
>  - Fix the build issue, as dependency patches are already merged
> 
> Changes since V2:
>  - sent the wrong patch with missing fixed lines
> Changes since V1:
>  - else in same line as {
> ---
>  sound/soc/codecs/cs35l41.c | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
> 
> diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c
> index 1624510d09c0..2803ff0f0003 100644
> --- a/sound/soc/codecs/cs35l41.c
> +++ b/sound/soc/codecs/cs35l41.c
> @@ -1022,9 +1022,15 @@ static int cs35l41_handle_pdata(struct device *dev, struct cs35l41_hw_cfg *hw_cf
>  	unsigned int val;
>  	int ret;
>  
> -	ret = device_property_read_u32(dev, "cirrus,boost-type", &val);
> -	if (ret >= 0)
> -		hw_cfg->bst_type = val;
> +	if (device_property_read_bool(dev, "cirrus,shared-boost-active")) {

You are now changing ABI and adding undocumented properties.

NAK.

Best regards,
Krzysztof