Re: [PATCH v6 10/33] ASoC: qcom: qdsp6: Add USB backend ASoC driver for Q6

From: Konrad Dybcio
Date: Fri Sep 15 2023 - 20:35:56 EST


On 16.09.2023 02:10, Wesley Cheng wrote:
> Create a USB BE component that will register a new USB port to the ASoC USB
> framework. This will handle determination on if the requested audio
> profile is supported by the USB device currently selected.
>
> Signed-off-by: Wesley Cheng <quic_wcheng@xxxxxxxxxxx>
> ---
[...]

> + ret = of_parse_phandle_with_fixed_args(node, "iommus", 1, 0, &args);
> + if (ret < 0)
> + data->priv.sid = -1;
> + else
> + data->priv.sid = args.args[0] & SID_MASK;
SID masking is done in the devicetree.

Konrad