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codecs
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aqt1000
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aqt1000-mbhc.h

aqt1000-mbhc.h 2.1 KB
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  1. /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
    2. 

  2.  *
    3. 

  3.  * This program is free software; you can redistribute it and/or modify
    4. 

  4.  * it under the terms of the GNU General Public License version 2 and
    5. 

  5.  * only version 2 as published by the Free Software Foundation.
    6. 

  6.  *
    7. 

  7.  * This program is distributed in the hope that it will be useful,
    8. 

  8.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    9. 

  9.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    10. 

  10.  * GNU General Public License for more details.
    11. 

  11.  */
    12. 

  12. #ifndef __AQT1000_MBHC_H__
    13. 

  13. #define __AQT1000_MBHC_H__
    14. 

  14. #include "../wcd-mbhc-v2.h"
    15. 

  15. 

  16. struct aqt1000_mbhc {
    17. 

  17. 	struct wcd_mbhc wcd_mbhc;
    18. 

  18. 	struct blocking_notifier_head notifier;
    19. 

  19. 	struct aqt1000 *aqt;
    20. 

  20. 	struct fw_info *fw_data;
    21. 

  21. 	bool mbhc_started;
    22. 

  22. };
    23. 

  23. 

  24. #if IS_ENABLED(CONFIG_SND_SOC_AQT1000)
    25. 

  25. extern int aqt_mbhc_init(struct aqt1000_mbhc **mbhc,
    26. 

  26. 			   struct snd_soc_codec *codec,
    27. 

  27. 			   struct fw_info *fw_data);
    28. 

  28. extern void aqt_mbhc_hs_detect_exit(struct snd_soc_codec *codec);
    29. 

  29. extern int aqt_mbhc_hs_detect(struct snd_soc_codec *codec,
    30. 

  30. 				struct wcd_mbhc_config *mbhc_cfg);
    31. 

  31. extern void aqt_mbhc_deinit(struct snd_soc_codec *codec);
    32. 

  32. extern int aqt_mbhc_post_ssr_init(struct aqt1000_mbhc *mbhc,
    33. 

  33. 				    struct snd_soc_codec *codec);
    34. 

  34. extern int aqt_mbhc_get_impedance(struct aqt1000_mbhc *aqt_mbhc,
    35. 

  35. 				    uint32_t *zl, uint32_t *zr);
    36. 

  36. #else
    37. 

  37. static inline int aqt_mbhc_init(struct aqt1000_mbhc **mbhc,
    38. 

  38. 				  struct snd_soc_codec *codec,
    39. 

  39. 				  struct fw_info *fw_data)
    40. 

  40. {
    41. 

  41. 	return 0;
    42. 

  42. }
    43. 

  43. static inline void aqt_mbhc_hs_detect_exit(struct snd_soc_codec *codec)
    44. 

  44. {
    45. 

  45. }
    46. 

  46. static inline int aqt_mbhc_hs_detect(struct snd_soc_codec *codec,
    47. 

  47. 				       struct wcd_mbhc_config *mbhc_cfg)
    48. 

  48. {
    49. 

  49. 		return 0;
    50. 

  50. }
    51. 

  51. static inline void aqt_mbhc_deinit(struct snd_soc_codec *codec)
    52. 

  52. {
    53. 

  53. }
    54. 

  54. static inline int aqt_mbhc_post_ssr_init(struct aqt1000_mbhc *mbhc,
    55. 

  55. 					   struct snd_soc_codec *codec)
    56. 

  56. {
    57. 

  57. 	return 0;
    58. 

  58. }
    59. 

  59. 

  60. static inline int aqt_mbhc_get_impedance(struct aqt1000_mbhc *aqt_mbhc,
    61. 

  61. 					   uint32_t *zl, uint32_t *zr)
    62. 

  62. {
    63. 

  63. 	if (zl)
    64. 

  64. 		*zl = 0;
    65. 

  65. 	if (zr)
    66. 

  66. 		*zr = 0;
    67. 

  67. 	return -EINVAL;
    68. 

  68. }
    69. 

  69. #endif
    70. 

  70. 

  71. #endif /* __AQT1000_MBHC_H__ */
    72.