ASoC: twl6040 - Add method to query optimum PDM_DL1 gain
authorLiam Girdwood <lrg@ti.com>
Wed, 11 Jan 2012 12:43:24 +0000 (12:43 +0000)
committerLiam Girdwood <lrg@ti.com>
Wed, 11 Jan 2012 12:43:24 +0000 (12:43 +0000)
The DL1 PDM interface adds a little gain depending on the output device.
Add a method to retrieve the gain value for machine driver usage.

Signed-off-by: Liam Girdwood <lrg@ti.com>

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