linux-kernel - Re: [PATCH 1/9] ASoC: cs35l41: Handle mdsync

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Date:   Tue, 5 Sep 2023 09:19:08 +0000
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
CC:     James Schulman <james.schulman@...rus.com>,
        David Rhodes <david.rhodes@...rus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        "Liam Girdwood" <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        "Stefan Binding" <sbinding@...nsource.cirrus.com>,
        <alsa-devel@...a-project.org>, <patches@...nsource.cirrus.com>,
        <linux-kernel@...r.kernel.org>, <kernel@...labora.com>
Subject: Re: [PATCH 1/9] ASoC: cs35l41: Handle mdsync_down reg write errors

On Sun, Sep 03, 2023 at 12:06:13AM +0300, Cristian Ciocaltea wrote:
> The return code of regmap_multi_reg_write() call related to "MDSYNC
> down" sequence is shadowed by the subsequent
> wait_for_completion_timeout() invocation, which is expected to time
> timeout in case the write operation failed.
> 
> Let cs35l41_global_enable() return the correct error code instead of
> -ETIMEDOUT.
> 
> Fixes: f5030564938b ("ALSA: cs35l41: Add shared boost feature")
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
> ---
>  sound/soc/codecs/cs35l41-lib.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c
> index 4ec306cd2f47..a018f1d98428 100644
> --- a/sound/soc/codecs/cs35l41-lib.c
> +++ b/sound/soc/codecs/cs35l41-lib.c
> @@ -1243,7 +1243,7 @@ int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l4
>  		cs35l41_mdsync_down_seq[2].def = pwr_ctrl1;
>  		ret = regmap_multi_reg_write(regmap, cs35l41_mdsync_down_seq,
>  					     ARRAY_SIZE(cs35l41_mdsync_down_seq));
> -		if (!enable)
> +		if (ret || !enable)
>  			break;

Acked-by: Charles Keepax <ckeepax@...nsource.cirrus.com>

Thanks,
Charles