linux-kernel - Re: [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver

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Date:	Tue, 6 Oct 2015 15:45:32 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	linux-rockchip@...ts.infradead.org,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Mark Brown <broonie@...nel.org>,
	Yakir Yang <ykk@...k-chips.com>,
	Andy Yan <andy.yan@...k-chips.com>
Subject: Re: [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver

On Tue, Oct 6, 2015 at 3:18 PM, Russell King - ARM Linux
<linux@....linux.org.uk> wrote:

> Sorry, I've been out for most of the day.  There's no DT patches required.
>
> The dw_hdmi bridge driver creates its own platform device for the audio,
> which should then bind to the dw_hdmi-ahb-audio driver using normal Linux
> methods.
>
> I don't know what's wrong with your setup, for me, it just works:
>
> [    1.358829] dwhdmi-imx 120000.hdmi: Detected HDMI controller 0x13:0xa:0xa0:0xc1
> [    1.377173] imx-drm display-subsystem: bound 120000.hdmi (ops dw_hdmi_imx_ops)
> ...
> [    2.851343] ALSA device list:
> [    2.857364]   #0: DW-HDMI rev 0x0a, irq 21
>
> as it always has done for me.  There's nothing special about it.

Great, got it to probe now:

[    7.454760] ALSA device list:
[    7.457764]   #0: DW-HDMI rev 0x0a, irq 19
[    7.461990]   #1: wm8962-audio

There was a conflict and I resolved incorrectly here. Will try to play
a wav file via aplay now.

Thanks
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