Re: [alsa-devel] [PATCH V0] ASoC: pxa-ssp: add TISSP mode support

On Tue, Nov 05, 2013 at 04:30:08PM +0800, Qiao Zhou wrote:

add TISSP mode support. with this mode enabled, ssp controller works in TI-ssp protocol automatically and doesn't need to configure sspsp register to set the timing for tx/rx.

What is TISSP mode in an audio context?

• /*

• * add TISSP protocol support. setting to this mode, ssp controller
  

• * works in TI-ssp mode, and need not set psp register to conf
  

• * detailed timing.
  

• */
  

• case SND_SOC_DAIFMT_SSP:

• sscr0 |= SSCR0_TISSP;
  

• sscr1 |= SSCR1_RWOT;
  
  

  default: return -EINVAL;

I don't think this code has been tested...