[alsa-devel] user space control app driver interface for sound soc
broonie at opensource.wolfsonmicro.com
Fri Oct 1 19:35:35 CEST 2010
On Fri, Oct 01, 2010 at 03:42:55PM +0200, Takashi Iwai wrote:
> FWIW, if it's an EQ band coef data or such small and more-or-less safe
> data, you can create even a dedicated ALSA control element to
> read/write the byte array. For example, SPDIF status bits are
> transferred in that way between the driver and the user-space.
Though in the embedded case platform data often ends up being idomatic
since many of the typical uses revolve around tuning things for physical
properties of the platform.
More information about the Alsa-devel