Re: [alsa-devel] [PATCH] ASoC: wm8994: codec driver should manage its own MCLK

On Thu, Mar 03, 2016 at 02:45:35PM +0800, Zidan Wang wrote:

• if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) {
  active_reference(codec);
  

• 	for (i = 0; i < WM8994_NUM_MCLK; i++)
  

• 		if (!IS_ERR(pdata->mclk[i]))
  

• 			clk_prepare_enable(pdata->mclk[i]);
  

• }
  

  break;

This is unconditionally enabling both mclks but the device has a wide range of options with what it can do with clocks, it doesn't need to use both.