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msm-audio-event-notify.h

msm-audio-event-notify.h 1.4 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. /*
    3. 

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

  4.  */
    5. 

  5. 

  6. #ifndef __MSM_AUDIO_EVENT_NOTIFY_H_
    7. 

  7. #define __MSM_AUDIO_EVENT_NOTIFY_H_
    8. 

  8. 

  9. #include <linux/notifier.h>
    10. 

  10. 

  11. #if IS_ENABLED(CONFIG_SND_SOC_MSM_QDSP6V2_INTF)
    12. 

  12. int msm_aud_evt_register_client(struct notifier_block *nb);
    13. 

  13. int msm_aud_evt_unregister_client(struct notifier_block *nb);
    14. 

  14. int msm_aud_evt_notifier_call_chain(unsigned long val, void *v);
    15. 

  15. int msm_aud_evt_blocking_register_client(struct notifier_block *nb);
    16. 

  16. int msm_aud_evt_blocking_unregister_client(struct notifier_block *nb);
    17. 

  17. int msm_aud_evt_blocking_notifier_call_chain(unsigned long val, void *v);
    18. 

  18. #else
    19. 

  19. static inline int msm_aud_evt_register_client(struct notifier_block *nb)
    20. 

  20. {
    21. 

  21. 	return -ENOSYS;
    22. 

  22. }
    23. 

  23. 

  24. static inline int msm_aud_evt_unregister_client(struct notifier_block *nb)
    25. 

  25. {
    26. 

  26. 	return -ENOSYS;
    27. 

  27. }
    28. 

  28. 

  29. static inline int msm_aud_evt_notifier_call_chain(unsigned long val, void *v)
    30. 

  30. {
    31. 

  31. 	return -ENOSYS;
    32. 

  32. }
    33. 

  33. 

  34. static inline int msm_aud_evt_blocking_register_client(
    35. 

  35. 			struct notifier_block *nb)
    36. 

  36. {
    37. 

  37. 	return -ENOSYS;
    38. 

  38. }
    39. 

  39. 

  40. static inline int msm_aud_evt_blocking_unregister_client(
    41. 

  41. 			struct notifier_block *nb)
    42. 

  42. {
    43. 

  43. 	return -ENOSYS;
    44. 

  44. }
    45. 

  45. 

  46. static inline int msm_aud_evt_blocking_notifier_call_chain(
    47. 

  47. 			unsigned long val, void *v)
    48. 

  48. {
    49. 

  49. 	return -ENOSYS;
    50. 

  50. }
    51. 

  51. #endif
    52. 

  52. 

  53. enum {
    54. 

  54. 	MSM_AUD_DC_EVENT = 1,
    55. 

  55. 	SWR_WAKE_IRQ_REGISTER,
    56. 

  56. 	SWR_WAKE_IRQ_DEREGISTER,
    57. 

  57. 	SWR_WAKE_IRQ_EVENT,
    58. 

  58. };
    59. 

  59. 

  60. #endif
    61.