Re: [PATCH 1/2] ASoC: qcom: sdm845: handle soundwire stream

From: Srinivas Kandagatla
Date: Wed Mar 18 2020 - 11:57:46 EST




On 18/03/2020 15:26, Pierre-Louis Bossart wrote:

Same comment, how does the notion of cpu_dai come in the picture for a SoundWire dailink?
Would you mind listing what the components of the dailinks are?

dais that I was referring here are all codec dais from backend-dai.

Device tree entries from
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/qcom/sdm845-db845c.dts?h=next-20200318#n538


Frontend-dai:
mm1-dai-link {
link-name = "MultiMedia1";
cpu {
sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
};
};

Backend-dai:
slim-dai-link {
link-name = "SLIM Playback";
cpu {
sound-dai = <&q6afedai SLIMBUS_0_RX>;
};

platform {
sound-dai = <&q6routing>;
};

codec {
sound-dai = <&left_spkr>, <&right_spkr>, <&swm 0>, <&wcd9340 0>;
};
};


--srini