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ASoc: msm: qdspv2: Clock recovery support in compress driver

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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: Manish Dewangan <manish@codeaurora.org>
Signed-off-by: Meng Wang <mwang@codeaurora.org>
This commit is contained in:
Meng Wang 2017-09-11 13:56:17 +08:00 • committed by Gerrit - the friendly Code Review server
commit c2ad50a2bb
1 changed files with 7 additions and 0 deletions
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7
include/uapi/sound/compress_offload.h
View file

@ -157,6 +157,8 @@ 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,
@ -167,6 +169,8 @@ enum sndrv_compress_encoder {
SNDRV_COMPRESS_CLK_REC_MODE = 5,
SNDRV_COMPRESS_RENDER_WINDOW = 6,
SNDRV_COMPRESS_START_DELAY = 7,
SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK = 8,
SNDRV_COMPRESS_ADJUST_SESSION_CLOCK = 9,
#endif
};
@ -176,6 +180,9 @@ 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
#endif
/**