[alsa-devel] [PATCH v3 4/4] ASoC: simple-card: Add DT documentation for multi-DAI links

Mark Brown broonie at kernel.org
Wed Mar 19 20:21:57 CET 2014

On Wed, Mar 19, 2014 at 09:15:14PM +0200, Jyri Sarha wrote:
> On 03/19/2014 08:51 PM, Lars-Peter Clausen wrote:

> >When does this make sense? Either the bitclock is inverted for all of
> >them or for none.

> Definition of clock signal and it's inversion varies between chip
> manufacturers and sometimes it may not be possible to get all the dai
> drivers to work identically in this respect. Because of this in some cases
> there may be a need to set the inversion bit only at one end of the link.

No, Linux has a definition of all the clock modes which applies to all
devices regardless of what the manufacturer documents in their
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