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Commit 9b7e0a0f authored by Bhalchandra Gajare's avatar Bhalchandra Gajare Committed by Gerrit - the friendly Code Review server
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uapi: lsm_params: Add support for listen output format 



The audio output from listen service can be captured in various
configurations. Add support for userspace to provide the configuration
to be used for capturing audio data from the Listen service.

Change-Id: I274b6693d94e7badf4d98ceda7df9d474f3bc18c
Signed-off-by: default avatarBhalchandra Gajare <gajare@codeaurora.org>
parent ec7da6db

include/uapi/sound/lsm_params.h

+27 −0
Original line number Diff line number Diff line
@@ -6,6 +6,18 @@ 


#define SNDRV_LSM_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 0)



#define LSM_OUT_FORMAT_PCM (0)

#define LSM_OUT_FORMAT_ADPCM (1 << 0)



#define LSM_OUT_DATA_RAW (0)

#define LSM_OUT_DATA_PACKED (1)



#define LSM_OUT_DATA_EVENTS_DISABLED (0)

#define LSM_OUT_DATA_EVENTS_ENABLED (1)



#define LSM_OUT_TRANSFER_MODE_RT (0)

#define LSM_OUT_TRANSFER_MODE_FTRT (1)



enum lsm_app_id {

	LSM_VOICE_WAKEUP_APP_ID = 1,

	LSM_VOICE_WAKEUP_APP_ID_V2 = 2,
@@ -129,6 +141,19 @@ struct snd_lsm_module_params { 
	__u32 data_size;

};



/*

 * Data passed to LSM_OUT_FORMAT_CFG IOCTL

 * @format: The media format enum

 * @packing: indicates the packing method used for data path

 * @events: indicates whether data path events need to be enabled

 * @transfer_mode: indicates whether FTRT mode or RT mode.

 */

struct snd_lsm_output_format_cfg {

	__u8 format;

	__u8 packing;

	__u8 events;

	__u8 mode;

};



#define SNDRV_LSM_DEREG_SND_MODEL _IOW('U', 0x01, int)

#define SNDRV_LSM_EVENT_STATUS	_IOW('U', 0x02, struct snd_lsm_event_status)
@@ -144,5 +169,7 @@ struct snd_lsm_module_params { 
					struct snd_lsm_detection_params)

#define SNDRV_LSM_SET_MODULE_PARAMS	_IOW('U', 0x0B, \

					struct snd_lsm_module_params)

#define SNDRV_LSM_OUT_FORMAT_CFG _IOW('U', 0x0C, \

				      struct snd_lsm_output_format_cfg)



#endif