diff options
| -rw-r--r-- | sound/pci/hda/tas2781_hda_i2c.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index a99f490c6a23..7aef93126ed0 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -160,11 +160,13 @@ static void tas2781_hda_playback_hook(struct device *dev, int action) pm_runtime_get_sync(dev); mutex_lock(&tas_hda->priv->codec_lock); tasdevice_tuning_switch(tas_hda->priv, 0); + tas_hda->priv->playback_started = true; mutex_unlock(&tas_hda->priv->codec_lock); break; case HDA_GEN_PCM_ACT_CLOSE: mutex_lock(&tas_hda->priv->codec_lock); tasdevice_tuning_switch(tas_hda->priv, 1); + tas_hda->priv->playback_started = false; mutex_unlock(&tas_hda->priv->codec_lock); pm_runtime_mark_last_busy(dev); @@ -666,6 +668,7 @@ static void tasdev_fw_ready(const struct firmware *fmw, void *context) tasdevice_save_calibration(tas_priv); tasdevice_tuning_switch(tas_hda->priv, 0); + tas_hda->priv->playback_started = true; out: mutex_unlock(&tas_hda->priv->codec_lock); @@ -837,6 +840,9 @@ static int tas2781_runtime_suspend(struct device *dev) mutex_lock(&tas_hda->priv->codec_lock); + /* The driver powers up the amplifiers at module load time. + * Stop the playback if it's unused. + */ if (tas_hda->priv->playback_started) { tasdevice_tuning_switch(tas_hda->priv, 1); tas_hda->priv->playback_started = false; @@ -876,7 +882,8 @@ static int tas2781_system_suspend(struct device *dev) mutex_lock(&tas_hda->priv->codec_lock); /* Shutdown chip before system suspend */ - tasdevice_tuning_switch(tas_hda->priv, 1); + if (tas_hda->priv->playback_started) + tasdevice_tuning_switch(tas_hda->priv, 1); mutex_unlock(&tas_hda->priv->codec_lock); @@ -908,6 +915,10 @@ static int tas2781_system_resume(struct device *dev) * calibrated data inside algo. */ tasdevice_apply_calibration(tas_hda->priv); + + if (tas_hda->priv->playback_started) + tasdevice_tuning_switch(tas_hda->priv, 0); + mutex_unlock(&tas_hda->priv->codec_lock); return 0; |