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author | Steve Kondik <steve@cyngn.com> | 2016-03-23 13:32:28 -0700 |
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committer | Steve Kondik <steve@cyngn.com> | 2016-04-20 09:25:29 -0700 |
commit | fa2825bec8612d75e25871bea8c0f01243228179 (patch) | |
tree | af8467e27fe788afbf225d846809bef29428813a | |
parent | 526cf00990ec9cbceb18c41ad5f0ee9dc5c17e62 (diff) | |
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audio: Hacks for sound trigger
Change-Id: Ice58e83f731d45be77f69f2810426dd72cfb98f7
-rw-r--r-- | hal/audio_extn/sound_trigger_prop_intf.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/hal/audio_extn/sound_trigger_prop_intf.h b/hal/audio_extn/sound_trigger_prop_intf.h new file mode 100644 index 00000000..90a9aa97 --- /dev/null +++ b/hal/audio_extn/sound_trigger_prop_intf.h @@ -0,0 +1,61 @@ +/* + * Extrapolated / reversed header for Sound Trigger + */ + +#ifndef SOUND_TRIGGER_PROP_INTF_H +#define SOUND_TRIGGER_PROP_INTF_H + +struct sound_trigger_session_info { + int capture_handle; + struct pcm *pcm; + struct pcm_config config; +}; + +enum audio_event_type { + AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE, + AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE, + dummy1, + dummy2, + AUDIO_EVENT_STOP_LAB, + AUDIO_EVENT_SSR, + AUDIO_EVENT_NUM_ST_SESSIONS, + AUDIO_EVENT_READ_SAMPLES, +}; + +enum sound_trigger_event_type { + ST_EVENT_SESSION_REGISTER, + ST_EVENT_SESSION_DEREGISTER +}; +typedef enum sound_trigger_event_type sound_trigger_event_type_t; + +enum ssr_event_status { + SND_CARD_STATUS_OFFLINE, + SND_CARD_STATUS_ONLINE, + CPE_STATUS_OFFLINE, + CPE_STATUS_ONLINE +}; + +struct sound_trigger_event_info { + struct sound_trigger_session_info st_ses; +}; +typedef struct sound_trigger_event_info sound_trigger_event_info_t; + +struct audio_read_samples_info { + struct sound_trigger_session_info *ses_info; + void *buf; + size_t num_bytes; +}; + +struct audio_event_info { + union { + enum ssr_event_status status; + int value; + struct sound_trigger_session_info ses_info; + struct audio_read_samples_info aud_info; + }u; +}; +typedef struct audio_event_info audio_event_info_t; + +typedef int (*sound_trigger_hw_call_back_t)(enum audio_event_type, + struct audio_event_info*); +#endif |