[PATCH v2] ASoC: qcom: soundwire: Add support for controlling audio CGCR from HLOS

Srinivasa Rao Mandadapu quic_srivasam at quicinc.com
Tue May 24 12:49:47 CEST 2022


On 5/21/2022 8:43 AM, Stephen Boyd wrote:
Thanks for your time Stephen!!!
> Quoting Srinivasa Rao Mandadapu (2022-05-18 05:42:35)
>> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
>> index da1ad7e..445e481 100644
>> --- a/drivers/soundwire/qcom.c
>> +++ b/drivers/soundwire/qcom.c
>> @@ -1333,6 +1337,10 @@ static int qcom_swrm_probe(struct platform_device *pdev)
>>          ctrl->bus.compute_params = &qcom_swrm_compute_params;
>>          ctrl->bus.clk_stop_timeout = 300;
>>
>> +       ctrl->audio_cgcr = devm_reset_control_get_exclusive(dev, "swr_audio_cgcr");
>> +       if (IS_ERR(ctrl->audio_cgcr))
>> +               dev_err(dev, "Failed to get audio_cgcr reset required for soundwire-v1.6.0\n");
> Why is there no return on error here? Is the reset optional?
Yes it's optional. For older platforms this is not required.
>
>> +
>>          ret = qcom_swrm_get_port_config(ctrl);
>>          if (ret)
>>                  goto err_clk;


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