[alsa-devel] [PATCH 1/2] ASoC: rt5677: Add TDM channelselectfunction

[Oder Chiou]

> -----Original Message-----
> From: Lars-Peter Clausen [mailto:lars at metafoo.de]
> Sent: Thursday, October 16, 2014 8:19 PM
> To: Oder Chiou; broonie at kernel.org; lgirdwood at gmail.com
> Cc: Bard Liao; alsa-devel at alsa-project.org; Flove
> Subject: Re: [alsa-devel] [PATCH 1/2] ASoC: rt5677: Add TDM channel
> selectfunction
> 
> On 10/15/2014 12:02 PM, Oder Chiou wrote:
> > Add TDM channel select function.
> 
> Can you explain in a bit more detail what this does exactly? Is this for channel to
> slot mapping?
> 

Yes, it is for channel to slot mapping, and it is not only for 8 channels mapping, but also
in 2, 4 and 6 channels mapping. If we want to use the 2 channels in the stereo2 adc path,
we need to set the setting to item "2/1/3/4" or "2/3/1/4".