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asoc
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codecs
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wcd9378
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wcd9378-mbhc.h

wcd9378-mbhc.h 2.0 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
    4. 

  4.  * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
    5. 

  5.  */
    6. 

  6. #ifndef __WCD9378_MBHC_H__
    7. 

  7. #define __WCD9378_MBHC_H__
    8. 

  8. #include <asoc/wcd-mbhc-v2.h>
    9. 

  9. 

  10. struct wcd9378_mbhc {
    11. 

  11. 	struct wcd_mbhc wcd_mbhc;
    12. 

  12. 	struct blocking_notifier_head notifier;
    13. 

  13. 	struct fw_info *fw_data;
    14. 

  14. };
    15. 

  15. 

  16. #if IS_ENABLED(CONFIG_SND_SOC_WCD9378)
    17. 

  17. extern int wcd9378_mbhc_init(struct wcd9378_mbhc **mbhc,
    18. 

  18. 			   struct snd_soc_component *component);
    19. 

  19. extern void wcd9378_mbhc_hs_detect_exit(struct snd_soc_component *component);
    20. 

  20. extern int wcd9378_mbhc_hs_detect(struct snd_soc_component *component,
    21. 

  21. 				struct wcd_mbhc_config *mbhc_cfg);
    22. 

  22. extern void wcd9378_mbhc_deinit(struct snd_soc_component *component);
    23. 

  23. extern void wcd9378_mbhc_ssr_down(struct wcd9378_mbhc *mbhc,
    24. 

  24. 				struct snd_soc_component *component);
    25. 

  25. extern int wcd9378_mbhc_post_ssr_init(struct wcd9378_mbhc *mbhc,
    26. 

  26. 				    struct snd_soc_component *component);
    27. 

  27. extern int wcd9378_mbhc_get_impedance(struct wcd9378_mbhc *wcd9378_mbhc,
    28. 

  28. 				    uint32_t *zl, uint32_t *zr);
    29. 

  29. #else
    30. 

  30. static inline int wcd9378_mbhc_init(struct wcd9378_mbhc **mbhc,
    31. 

  31. 				  struct snd_soc_component *component)
    32. 

  32. {
    33. 

  33. 	return 0;
    34. 

  34. }
    35. 

  35. static inline void wcd9378_mbhc_hs_detect_exit(
    36. 

  36. 					struct snd_soc_component *component)
    37. 

  37. {
    38. 

  38. }
    39. 

  39. static inline int wcd9378_mbhc_hs_detect(struct snd_soc_component *component,
    40. 

  40. 				       struct wcd_mbhc_config *mbhc_cfg)
    41. 

  41. {
    42. 

  42. 		return 0;
    43. 

  43. }
    44. 

  44. static inline void wcd9378_mbhc_deinit(struct snd_soc_component *component)
    45. 

  45. {
    46. 

  46. }
    47. 

  47. static inline void wcd9378_mbhc_ssr_down(struct wcd9378_mbhc *mbhc,
    48. 

  48. 					struct snd_soc_component *component)
    49. 

  49. {
    50. 

  50. }
    51. 

  51. static inline int wcd9378_mbhc_post_ssr_init(struct wcd9378_mbhc *mbhc,
    52. 

  52. 					   struct snd_soc_component *component)
    53. 

  53. {
    54. 

  54. 	return 0;
    55. 

  55. }
    56. 

  56. 

  57. static inline int wcd9378_mbhc_get_impedance(struct wcd9378_mbhc *wcd9378_mbhc,
    58. 

  58. 					   uint32_t *zl, uint32_t *zr)
    59. 

  59. {
    60. 

  60. 	if (zl)
    61. 

  61. 		*zl = 0;
    62. 

  62. 	if (zr)
    63. 

  63. 		*zr = 0;
    64. 

  64. 	return -EINVAL;
    65. 

  65. }
    66. 

  66. #endif
    67. 

  67. 

  68. #endif /* __WCD9378_MBHC_H__ */
    69.