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rk616 codec: modify power up and down

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This commit is contained in:
wuhao
2013-05-09 16:11:04 +08:00
parent 530f5ce6d2
commit bccfdc8129
1 changed files with 63 additions and 53 deletions
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116
sound/soc/codecs/rk616_codec.c
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@@ -1692,7 +1692,7 @@ static int rk616_codec_power_down(int type)
snd_soc_write(codec, palyback_power_down_list[i].reg, palyback_power_down_list[i].value);
}
} else if (type == RK616_CODEC_ALL) {
DBG("rk616 codec palyback power down !\n");
DBG("rk616 codec power down !\n");
rk616_reset(codec);
}
@@ -1744,28 +1744,33 @@ static int rk616_startup(struct snd_pcm_substream *substream,
else
rk616->capture_active++;
if (rk616->playback_active > 0 || rk616->capture_active > 0) {
if (playback) {
if (!is_codec_playback_running)
rk616_codec_power_up(RK616_CODEC_PALYBACK);
else
DBG(" Warning :playback has been opened, so return! \n");
} else {//capture
if (!is_codec_capture_running) {
if (rk616_codec_work_capture_type != RK616_CODEC_WORK_POWER_UP) {
cancel_delayed_work_sync(&capture_delayed_work);
if (rk616_codec_work_capture_type == RK616_CODEC_WORK_NULL) {
rk616_codec_power_up(RK616_CODEC_CAPTURE);
} else {
rk616_codec_work_capture_type = RK616_CODEC_WORK_NULL;
DBG(" Warning :capture being closed, so interrupt the shutdown process ! \n");
}
} else { //RK616_CODEC_WORK_POWER_UP
DBG(" Warning :capture being opened , so return ! \n");
}
} else
DBG(" Warning :capture has been opened ,so return !\n");
}
if (playback) {
if( rk616->playback_active > 0 ){
if (!is_codec_playback_running)
rk616_codec_power_up(RK616_CODEC_PALYBACK);
else
DBG(" Warning :playback has been opened, so return! \n");
}else
DBG("playback_active <= 0, so playback can not be been opened! \n");
} else {//capture
if( rk616->capture_active > 0) {
if (!is_codec_capture_running) {
if (rk616_codec_work_capture_type != RK616_CODEC_WORK_POWER_UP) {
cancel_delayed_work_sync(&capture_delayed_work);
if (rk616_codec_work_capture_type == RK616_CODEC_WORK_NULL) {
rk616_codec_power_up(RK616_CODEC_CAPTURE);
} else {
rk616_codec_work_capture_type = RK616_CODEC_WORK_NULL;
DBG(" Warning :capture being closed, so interrupt the shutdown process ! \n");
}
} else { //RK616_CODEC_WORK_POWER_UP
DBG(" Warning :capture being opened , so return ! \n");
}
} else
DBG(" Warning :capture has been opened ,so return !\n");
}else
DBG("capture_active <= 0, so capture can not be been opened! \n");
}
return 0;
@@ -1798,37 +1803,42 @@ static void rk616_shutdown(struct snd_pcm_substream *substream,
else
rk616->capture_active--;
if (rk616->playback_active <= 0 || rk616->capture_active <= 0) {
if (playback) {
if (is_codec_playback_running == true)
rk616_codec_power_down(RK616_CODEC_PALYBACK);
else
DBG(" Warning :playback has been closed or it being closed ,so return !\n");
} else {//capture
if ((rk616_codec_work_capture_type != RK616_CODEC_WORK_POWER_DOWN) &&
(is_codec_capture_running == true)) {
cancel_delayed_work_sync(&capture_delayed_work);
/*
* If rk616_codec_work_capture_type is NULL means codec already power down,
* so power up codec.
* If rk616_codec_work_capture_type is RK616_CODEC_WORK_POWER_UP it means
* codec haven't be powered up, so we don't need to power down codec.
* If is playback call power down, power down immediatly, because audioflinger
* already has delay 3s.
*/
if (rk616_codec_work_capture_type == RK616_CODEC_WORK_NULL) {
rk616_codec_work_capture_type = RK616_CODEC_WORK_POWER_DOWN;
queue_delayed_work(rk616_codec_workq, &capture_delayed_work,
msecs_to_jiffies(3000));
} else {
rk616_codec_work_capture_type = RK616_CODEC_WORK_NULL;
DBG(" Warning :capture being opened, so interrupt the open process ! \n");
}
} else {
DBG(" Warning :capture has been closed or it being closed ,so return !\n");
}
}
if (playback) {
if(rk616->playback_active <= 0){
if (is_codec_playback_running == true)
rk616_codec_power_down(RK616_CODEC_PALYBACK);
else
DBG(" Warning :playback has been closed ,so return !\n");
}else
DBG("playback_active > 0 ,so palyback can not be power down !\n");
} else {//capture
if( rk616->capture_active <= 0 ){
if ((rk616_codec_work_capture_type != RK616_CODEC_WORK_POWER_DOWN) &&
(is_codec_capture_running == true)) {
cancel_delayed_work_sync(&capture_delayed_work);
/*
* If rk616_codec_work_capture_type is NULL means codec already power down,
* so power up codec.
* If rk616_codec_work_capture_type is RK616_CODEC_WORK_POWER_UP it means
* codec haven't be powered up, so we don't need to power down codec.
* If is playback call power down, power down immediatly, because audioflinger
* already has delay 3s.
*/
if (rk616_codec_work_capture_type == RK616_CODEC_WORK_NULL) {
rk616_codec_work_capture_type = RK616_CODEC_WORK_POWER_DOWN;
queue_delayed_work(rk616_codec_workq, &capture_delayed_work,msecs_to_jiffies(3000));
} else {
rk616_codec_work_capture_type = RK616_CODEC_WORK_NULL;
DBG(" Warning :capture being opened, so interrupt the open process ! \n");
}
} else {
DBG(" Warning :capture has been closed or it being closed ,so return !\n");
}
}else
DBG("capture_active > 0 ,so capture can not be power down !\n");
}
}
#define RK616_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\