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

Fabio Estevam festevam at gmail.com
Tue Oct 6 11:07:40 PDT 2015

On Sat, Aug 8, 2015 at 1:10 PM, Russell King
<rmk+kernel at arm.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 at arm.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?


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