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ASoC: msm: qdsp6v2: Support to set session start delay

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Update compress driver to support session start delay.
Userspace can use this param to delay start of
playback session.

CRs-Fixed: 1112258
Change-Id: I0b31a4bae12f9f2b1f8a3e003909741529458772
Signed-off-by: Manish Dewangan <manish@codeaurora.org>
This commit is contained in:
Manish Dewangan 2017-02-15 10:27:32 +05:30
parent 479baf1cf7
commit 9da92fae03
2 changed files with 10 additions and 1 deletions
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3
include/uapi/sound/compress_offload.h
View file

@ -148,6 +148,7 @@ struct snd_compr_audio_info {
* @SNDRV_COMPRESS_RENDER_MODE: dsp render mode (audio master or stc) * @SNDRV_COMPRESS_RENDER_MODE: dsp render mode (audio master or stc)
* @SNDRV_COMPRESS_CLK_REC_MODE: clock recovery mode ( none or auto) * @SNDRV_COMPRESS_CLK_REC_MODE: clock recovery mode ( none or auto)
* @SNDRV_COMPRESS_RENDER_WINDOW: render window * @SNDRV_COMPRESS_RENDER_WINDOW: render window
* @SNDRV_COMPRESS_START_DELAY: start delay
*/ */
enum sndrv_compress_encoder { enum sndrv_compress_encoder {
SNDRV_COMPRESS_ENCODER_PADDING = 1, SNDRV_COMPRESS_ENCODER_PADDING = 1,
@ -158,12 +159,14 @@ enum sndrv_compress_encoder {
SNDRV_COMPRESS_RENDER_MODE = 6, SNDRV_COMPRESS_RENDER_MODE = 6,
SNDRV_COMPRESS_CLK_REC_MODE = 7, SNDRV_COMPRESS_CLK_REC_MODE = 7,
SNDRV_COMPRESS_RENDER_WINDOW = 8, SNDRV_COMPRESS_RENDER_WINDOW = 8,
SNDRV_COMPRESS_START_DELAY = 9,
}; };
#define SNDRV_COMPRESS_PATH_DELAY SNDRV_COMPRESS_PATH_DELAY #define SNDRV_COMPRESS_PATH_DELAY SNDRV_COMPRESS_PATH_DELAY
#define SNDRV_COMPRESS_RENDER_MODE SNDRV_COMPRESS_RENDER_MODE #define SNDRV_COMPRESS_RENDER_MODE SNDRV_COMPRESS_RENDER_MODE
#define SNDRV_COMPRESS_CLK_REC_MODE SNDRV_COMPRESS_CLK_REC_MODE #define SNDRV_COMPRESS_CLK_REC_MODE SNDRV_COMPRESS_CLK_REC_MODE
#define SNDRV_COMPRESS_RENDER_WINDOW SNDRV_COMPRESS_RENDER_WINDOW #define SNDRV_COMPRESS_RENDER_WINDOW SNDRV_COMPRESS_RENDER_WINDOW
#define SNDRV_COMPRESS_START_DELAY SNDRV_COMPRESS_START_DELAY
/** /**
* struct snd_compr_metadata - compressed stream metadata * struct snd_compr_metadata - compressed stream metadata

8
sound/soc/msm/qdsp6v2/msm-compress-q6-v2.c
View file

@ -161,6 +161,8 @@ struct msm_compr_audio {
uint32_t next_stream; uint32_t next_stream;
uint32_t run_mode; uint32_t run_mode;
uint32_t start_delay_lsw;
uint32_t start_delay_msw;
uint64_t marker_timestamp; uint64_t marker_timestamp;
@ -2058,7 +2060,8 @@ static int msm_compr_trigger(struct snd_compr_stream *cstream, int cmd)
msm_compr_read_buffer(prtd); msm_compr_read_buffer(prtd);
} }
/* issue RUN command for the stream */ /* issue RUN command for the stream */
q6asm_run_nowait(prtd->audio_client, prtd->run_mode, 0, 0); q6asm_run_nowait(prtd->audio_client, prtd->run_mode,
prtd->start_delay_msw, prtd->start_delay_lsw);
break; break;
case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_STOP:
spin_lock_irqsave(&prtd->lock, flags); spin_lock_irqsave(&prtd->lock, flags);
@ -2839,6 +2842,9 @@ static int msm_compr_set_metadata(struct snd_compr_stream *cstream,
metadata->value[1], metadata->value[1],
metadata->value[2], metadata->value[2],
metadata->value[3]); metadata->value[3]);
} else if (metadata->key == SNDRV_COMPRESS_START_DELAY) {
prtd->start_delay_lsw = metadata->value[0];
prtd->start_delay_msw = metadata->value[1];
} }
return 0; return 0;