On Thu, Mar 29, 2012 at 08:09:33PM +0800, Zeng Zhaoming wrote:

On Thu 2012-03-29 12:16:05, Mark Brown wrote:

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• {"Mic Bias", NULL, "MIC_IN"}, /* mic_in --> mic bias */
• {"Capture Mux", "MIC_IN", "Mic Bias"}, /* mic bias --> adc_mux */

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This should be in the machine driver.

This "Mic Bias" is codec internal controller, Machine code should not touch this.

What is it actually doing? Calling it "Mic Bias" if it's not a bias source for microphones is horribly confusing.