diff options
Diffstat (limited to 'drivers/sound/sound-uclass.c')
| -rw-r--r-- | drivers/sound/sound-uclass.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/sound/sound-uclass.c b/drivers/sound/sound-uclass.c index 0676606..d49f29b 100644 --- a/drivers/sound/sound-uclass.c +++ b/drivers/sound/sound-uclass.c @@ -31,10 +31,30 @@ int sound_play(struct udevice *dev, void *data, uint data_size) return ops->play(dev, data, data_size); } +int sound_start_beep(struct udevice *dev, int frequency_hz) +{ + struct sound_ops *ops = sound_get_ops(dev); + + if (!ops->start_beep) + return -ENOSYS; + + return ops->start_beep(dev, frequency_hz); +} + +int sound_stop_beep(struct udevice *dev) +{ + struct sound_ops *ops = sound_get_ops(dev); + + if (!ops->stop_beep) + return -ENOSYS; + + return ops->stop_beep(dev); +} + int sound_beep(struct udevice *dev, int msecs, int frequency_hz) { struct sound_uc_priv *uc_priv = dev_get_uclass_priv(dev); - struct i2s_uc_priv *i2s_uc_priv = dev_get_uclass_priv(uc_priv->i2s); + struct i2s_uc_priv *i2s_uc_priv; unsigned short *data; uint data_size; int ret; @@ -43,7 +63,19 @@ int sound_beep(struct udevice *dev, int msecs, int frequency_hz) if (ret && ret != -EALREADY) return ret; + /* Try using the beep interface if available */ + ret = sound_start_beep(dev, frequency_hz); + if (ret != -ENOSYS) { + if (ret) + return ret; + mdelay(msecs); + ret = sound_stop_beep(dev); + + return ret; + } + /* Buffer length computation */ + i2s_uc_priv = dev_get_uclass_priv(uc_priv->i2s); data_size = i2s_uc_priv->samplingrate * i2s_uc_priv->channels; data_size *= (i2s_uc_priv->bitspersample / SOUND_BITS_IN_BYTE); data = malloc(data_size); |