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Commit 60a668f7 authored by Meng Wang's avatar Meng Wang Committed by Gerrit - the friendly Code Review server
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ASoc: msm: qdspv2: Clock recovery support in compress driver 



Support for clock recovery in compress driver.

Userspace app can issue clock recovery command with a positive value
to advance the clock or a negative value to delay the clock.

CRs-Fixed: 2036899
Change-Id: Iacfc18afe6723edea84ed3382ac62810fcadb31a
Signed-off-by: default avatarManish Dewangan <manish@codeaurora.org>
Signed-off-by: default avatarMeng Wang <mwang@codeaurora.org>
parent cd79e0f7

include/uapi/sound/compress_offload.h

+7 −0
Original line number Diff line number Diff line
@@ -151,6 +151,8 @@ struct snd_compr_audio_info { 
 * @SNDRV_COMPRESS_CLK_REC_MODE: clock recovery mode ( none or auto)

 * @SNDRV_COMPRESS_RENDER_WINDOW: render window

 * @SNDRV_COMPRESS_START_DELAY: start delay

 * @SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK: enable dsp drift correction

 * @SNDRV_COMPRESS_ADJUST_SESSION_CLOCK: set drift correction value

 */

enum sndrv_compress_encoder {

	SNDRV_COMPRESS_ENCODER_PADDING = 1,
@@ -162,6 +164,8 @@ enum sndrv_compress_encoder { 
	SNDRV_COMPRESS_CLK_REC_MODE = 7,

	SNDRV_COMPRESS_RENDER_WINDOW = 8,

	SNDRV_COMPRESS_START_DELAY = 9,

	SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK = 10,

	SNDRV_COMPRESS_ADJUST_SESSION_CLOCK = 11,

};



#define SNDRV_COMPRESS_MIN_BLK_SIZE SNDRV_COMPRESS_MIN_BLK_SIZE
@@ -171,6 +175,9 @@ enum sndrv_compress_encoder { 
#define SNDRV_COMPRESS_CLK_REC_MODE SNDRV_COMPRESS_CLK_REC_MODE

#define SNDRV_COMPRESS_RENDER_WINDOW SNDRV_COMPRESS_RENDER_WINDOW

#define SNDRV_COMPRESS_START_DELAY SNDRV_COMPRESS_START_DELAY

#define SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK \

		SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK

#define SNDRV_COMPRESS_ADJUST_SESSION_CLOCK SNDRV_COMPRESS_ADJUST_SESSION_CLOCK



/**

 * struct snd_compr_metadata - compressed stream metadata