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

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Message-ID: <CAOMZO5COgoGU-3YNpnmSkctHMRDJ3=DuKc82Wb5zTTX7Bx2jNw@mail.gmail.com>
Date:	Tue, 6 Oct 2015 15:07:40 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	Russell King <rmk+kernel@....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 Sat, Aug 8, 2015 at 1:10 PM, Russell King
<rmk+kernel@....linux.org.uk> wrote:
> Add ALSA based HDMI AHB audio driver for dw_hdmi.  The only buffer
> format supported by the hardware is its own special IEC958 based format,
> which is not compatible with any ALSA format.  To avoid doing too much
> data manipulation within the driver, we support only ALSAs IEC958 LE and
> 24-bit PCM formats for 2 to 6 channels, which we convert to its hardware
> format.
>
> A more desirable solution would be to have this conversion in userspace,
> but ALSA does not appear to allow such transformations outside of
> libasound itself.
>
> Signed-off-by: Russell King <rmk+kernel@....linux.org.uk>

I applied this series, but the HDMI audio card is not registered. I
guess I missed the dts pieces. Are the dts patches available?

Thanks
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