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Message-ID: <CAL_Jsq+GR3hP6hFvFn2z5aXvSXnh9butD3aKZ-y_XJgx0_YPTw@mail.gmail.com>
Date:   Fri, 8 Sep 2023 17:13:27 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Aradhya Bhatia <a-bhatia1@...com>
Cc:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Conor Dooley <conor+dt@...nel.org>,
        Will Deacon <will@...nel.org>,
        Francesco Dolcini <francesco@...cini.it>,
        Devicetree List <devicetree@...r.kernel.org>,
        Linux Kernel List <linux-kernel@...r.kernel.org>,
        Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        Rahul T R <r-ravikumar@...com>,
        Devarsh Thakkar <devarsht@...com>,
        Jai Luthra <j-luthra@...com>,
        Jayesh Choudhary <j-choudhary@...com>
Subject: Re: [PATCH v5 4/6] arm64: dts: ti: am62x-sk: Add overlay for HDMI audio

On Wed, Aug 9, 2023 at 3:46 AM Aradhya Bhatia <a-bhatia1@...com> wrote:
>
> From: Jai Luthra <j-luthra@...com>
>
> Enable audio output over HDMI instead of the 3.5mm jack.
>
> A FET switch (U65) on the EVM muxes serial audio lines coming from McASP
> between the codec (tlv320aic3106) and the HDMI bridge (sii9022).
>
> By default it uses the codec, but it can be toggled to use the HDMI
> bridge by shorting a (J24) header on the board.
>
> Signed-off-by: Jai Luthra <j-luthra@...com>
> [a-bhatia1: Cosmetic changes]
> Signed-off-by: Aradhya Bhatia <a-bhatia1@...com>
> ---
>  arch/arm64/boot/dts/ti/Makefile               |  3 ++
>  .../boot/dts/ti/k3-am62x-sk-hdmi-audio.dtso   | 40 +++++++++++++++++++
>  2 files changed, 43 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/ti/k3-am62x-sk-hdmi-audio.dtso
>
> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
> index 437a3d7e8e3a..e3eadf69d43b 100644
> --- a/arch/arm64/boot/dts/ti/Makefile
> +++ b/arch/arm64/boot/dts/ti/Makefile
> @@ -19,6 +19,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dahlia.dtb
>  dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dev.dtb
>  dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-yavia.dtb
>  dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk.dtb
> +dtb-$(CONFIG_ARCH_K3) += k3-am62x-sk-hdmi-audio.dtbo

Overlays need to be applied to something. That's done like this:

foo-dtbs := base.dtb k3-am62x-sk-hdmi-audio.dtbo
dtb-y += foo.dtb

Please send a fix for this.

Rob

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