linux-kernel - Re: [PATCH] ASoC: fsl_sai: initialize is_dsp

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Date:   Mon, 16 Jan 2023 11:10:20 +0200
From:   Iuliana Prodan <iuliana.prodan@....com>
To:     Shengjiu Wang <shengjiu.wang@....com>, nicoleotsuka@...il.com,
        Xiubo.Lee@...il.com, festevam@...il.com, shengjiu.wang@...il.com,
        lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: fsl_sai: initialize is_dsp_mode flag

On 1/16/2023 9:07 AM, Shengjiu Wang wrote:
> Initialize is_dsp_mode flag in the beginning of function
> fsl_sai_set_dai_fmt_tr().
>
> When the DAIFMT is DAIFMT_DSP_B the first time, is_dsp_mode is
> true, then the second time DAIFMT is DAIFMT_I2S, is_dsp_mode
> still true, which is a wrong state. So need to initialize
> is_dsp_mode flag every time.
>
> Fixes: a3f7dcc9cc03 ("ASoC: fsl-sai: Add SND_SOC_DAIFMT_DSP_A/B support.")
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>

Reviewed-by: Iuliana Prodan <iuliana.prodan@....com>

Thanks,

Iulia

> ---
>   sound/soc/fsl/fsl_sai.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
> index 1c9be8a5dcb1..355ef29af48c 100644
> --- a/sound/soc/fsl/fsl_sai.c
> +++ b/sound/soc/fsl/fsl_sai.c
> @@ -281,6 +281,7 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai,
>   		val_cr4 |= FSL_SAI_CR4_MF;
>   
>   	sai->is_pdm_mode = false;
> +	sai->is_dsp_mode = false;
>   	/* DAI mode */
>   	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
>   	case SND_SOC_DAIFMT_I2S: