ASoC: rt5663: Add the manual offset field to compensate the DC offset

The patch adds the manual offset field in the devicetree to compensate the
DC offset that will be different between the PCB layout. It only can be
measured by the real production.

Signed-off-by: Oder Chiou <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
[email protected] 2017-07-10 11:14:56 +08:00 • committed by Mark Brown
commit 450f0f6a8f
4 changed files with 77 additions and 5 deletions

20
include/sound/rt5663.h Normal file
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/*
* linux/sound/rt5663.h -- Platform data for RT5663
*
* Copyright 2017 Realtek Semiconductor Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __LINUX_SND_RT5663_H
#define __LINUX_SND_RT5663_H
struct rt5663_platform_data {
unsigned int dc_offset_l_manual;
unsigned int dc_offset_r_manual;
};
#endif