linux-kernel - Re: [PATCH v1 2/2] ASoC: qcom: audioreach: Fix default WS source assignment for I2S interface

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Message-ID: <0d60f70c-dd62-4e37-8eb2-dd385506980e@oss.qualcomm.com>
Date: Tue, 2 Sep 2025 11:18:27 +0530
From: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>
To: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>,
        Srinivas Kandagatla <srini@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.dev>
Cc: linux-sound@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@....qualcomm.com
Subject: Re: [PATCH v1 2/2] ASoC: qcom: audioreach: Fix default WS source
 assignment for I2S interface



On 8/31/2025 2:07 PM, Srinivas Kandagatla wrote:
> 
> 
> On 8/22/25 6:14 PM, Mohammad Rafi Shaik wrote:
>> Resolve an issue where the I2S Word Select (WS) source could remain unset,
>> leading to misconfiguration of the I2S interface. A default WS source is
>> assigned when not explicitly configured by the AudioReach module.
>>
>> For HS MI2S interface, the DSP need proper WS settings to set
>> appropriate endpoint configuration.
>>
> Sorry this is not the right way to do this, machine driver should select
> the correct configuration via snd_soc_dai_set_fmt.
> 
> who supplies the frame clock is decided by that configuration, we should
> not be assuming any default as this is totally board depended.
> 

Ack,

will use the snd_soc_dai_set_fmt api to set correct configuration.

Thanks & Regards,
Rafi.


> --srini
> 
>> Fixes: 25ab80db6b133 ("ASoC: qdsp6: audioreach: add module configuration command helpers")
>> Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>
>> ---
>>   sound/soc/qcom/qdsp6/audioreach.c | 6 ++++++
>>   1 file changed, 6 insertions(+)
>>
>> diff --git a/sound/soc/qcom/qdsp6/audioreach.c b/sound/soc/qcom/qdsp6/audioreach.c
>> index 6d7b1a4b0b2a..d4397f75e310 100644
>> --- a/sound/soc/qcom/qdsp6/audioreach.c
>> +++ b/sound/soc/qcom/qdsp6/audioreach.c
>> @@ -999,6 +999,12 @@ static int audioreach_i2s_set_media_format(struct q6apm_graph *graph,
>>   	intf_cfg->cfg.intf_idx = module->hw_interface_idx;
>>   	intf_cfg->cfg.sd_line_idx = module->sd_line_idx;
>>   
>> +	/* Set default WS source if not already configured */
>> +	if (!module->ws_src)
>> +		intf_cfg->cfg.ws_src = CONFIG_I2S_WS_SRC_INTERNAL;
>> +	else
>> +		intf_cfg->cfg.ws_src = module->ws_src;
>> +
>>   	switch (cfg->fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
>>   	case SND_SOC_DAIFMT_BP_FP:
>>   		intf_cfg->cfg.ws_src = CONFIG_I2S_WS_SRC_INTERNAL;
>