[alsa-devel] [PATCH 1/4] ASoC: pxa-ssp: enhance I2S and add Left_J support

[Mark Brown]

On Wed, Jun 10, 2009 at 07:24:09PM -0300, Daniel Ribeiro wrote:

> Second, is enveloping needed at all? The patch you sent supports 32bits
> frames for 2*16bits samples or 64bits frames for 2*32bits samples using
> FSRT.

There are apparently devices that require 64fs BCLK with I2S even though
they only handle sample sizes up to 16 bits (IIRC Daniel Mack was
working with one).  This is pretty much TDM mode with 2 slots and only
the first one active.