linux-kernel - Re: [alsa-devel] [PATCH v3 19/25] ASoC: qcom: q6afe: add support to MI2S ports

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Date:   Wed, 7 Mar 2018 15:05:17 +0530
From:   Rohit Kumar <rohitkr@...eaurora.org>
To:     srinivas.kandagatla@...aro.org, andy.gross@...aro.org,
        broonie@...nel.org, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org
Cc:     mark.rutland@....com, devicetree@...r.kernel.org,
        bgoswami@...eaurora.org, rohkumar@....qualcomm.com,
        linux-kernel@...r.kernel.org, plai@...eaurora.org, tiwai@...e.com,
        lgirdwood@...il.com, david.brown@...aro.org, robh+dt@...nel.org,
        spatakok@....qualcomm.com, linux-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [alsa-devel] [PATCH v3 19/25] ASoC: qcom: q6afe: add support to
 MI2S ports



On 2/13/2018 10:28 PM, srinivas.kandagatla@...aro.org wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>   include/dt-bindings/sound/qcom,q6afe.h |  10 +++
>   sound/soc/qcom/qdsp6/q6afe.c           | 111 +++++++++++++++++++++++++++++++++
>   sound/soc/qcom/qdsp6/q6afe.h           |  10 +++
>   3 files changed, 131 insertions(+)
>
> diff --git a/include/dt-bindings/sound/qcom,q6afe.h b/include/dt-bindings/sound/qcom,q6afe.h
> index e9004ee39f72..3cd862262369 100644
> --- a/include/dt-bindings/sound/qcom,q6afe.h
> +++ b/include/dt-bindings/sound/qcom,q6afe.h
> @@ -16,6 +16,16 @@
>   #define SLIMBUS_4_TX    24
>   #define SLIMBUS_5_RX    25
>   #define SLIMBUS_5_TX    26
> +#define QUATERNARY_MI2S_RX	34
> +#define QUATERNARY_MI2S_TX	35
> +#define SECONDARY_MI2S_RX	36
> +#define SECONDARY_MI2S_TX	37
> +#define TERTIARY_MI2S_RX	38
> +#define TERTIARY_MI2S_TX	39
> +#define PRIMARY_MI2S_RX		40
> +#define PRIMARY_MI2S_TX		41
Can we assign ids to Primary, secondary, tertiary and quaternary MI2S 
ports in sequence starting with Primary.
> +#define SECONDARY_PCM_RX	42
> +#define SECONDARY_PCM_TX	43
Why only SECONDARY_PCM_RX ? This is not required for MI2S right?
>   #define SLIMBUS_6_RX    45
>   #define SLIMBUS_6_TX    46
>
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