include/sound/wm8993.h

   1 /*
   2  * linux/sound/wm8993.h -- Platform data for WM8993
   3  *
   4  * Copyright 2009 Wolfson Microelectronics. PLC.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef __LINUX_SND_WM8993_H
  12 #define __LINUX_SND_WM8993_H
  13
  14 /* Note that EQ1 only contains the enable/disable bit so will be
  15    ignored but is included for simplicity.
  16  */
  17 struct wm8993_retune_mobile_setting {
  18         const char *name;
  19         unsigned int rate;
  20         u16 config[24];
  21 };
  22
  23 struct wm8993_platform_data {
  24         struct wm8993_retune_mobile_setting *retune_configs;
  25         int num_retune_configs;
  26
  27         /* LINEOUT can be differential or single ended */
  28         unsigned int lineout1_diff:1;
  29         unsigned int lineout2_diff:1;
  30
  31         /* Common mode feedback */
  32         unsigned int lineout1fb:1;
  33         unsigned int lineout2fb:1;
  34
  35         /* Delay to add for microphones to stabalise after power up */
  36         int micbias1_delay;
  37         int micbias2_delay;
  38
  39         /* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
  40         unsigned int micbias1_lvl:1;
  41         unsigned int micbias2_lvl:1;
  42
  43         /* Jack detect threshold levels, see datasheet for values */
  44         unsigned int jd_scthr:2;
  45         unsigned int jd_thr:2;
  46 };
  47
  48 #endif