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Added power management functions and defines.

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This commit is contained in:
Jaroslav Kysela 2001-09-26 13:57:04 +00:00
parent 23d8f9a0b0
commit 3c59c6b11d
19 changed files with 195 additions and 0 deletions
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18
src/control/control_hw.c
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@ -233,6 +233,22 @@ static int snd_ctl_hw_rawmidi_prefer_subdevice(snd_ctl_t *handle, int subdev)
return 0;
}
static int snd_ctl_hw_set_power_state(snd_ctl_t *handle, unsigned int state)
{
snd_ctl_hw_t *hw = handle->private_data;
if (ioctl(hw->fd, SNDRV_CTL_IOCTL_POWER, &state) < 0)
return -errno;
return 0;
}
static int snd_ctl_hw_get_power_state(snd_ctl_t *handle, unsigned int *state)
{
snd_ctl_hw_t *hw = handle->private_data;
if (ioctl(hw->fd, SNDRV_CTL_IOCTL_POWER_STATE, state) < 0)
return -errno;
return 0;
}
static int snd_ctl_hw_read(snd_ctl_t *handle, snd_ctl_event_t *event)
{
snd_ctl_hw_t *hw = handle->private_data;
@ -263,6 +279,8 @@ snd_ctl_ops_t snd_ctl_hw_ops = {
rawmidi_next_device: snd_ctl_hw_rawmidi_next_device,
rawmidi_info: snd_ctl_hw_rawmidi_info,
rawmidi_prefer_subdevice: snd_ctl_hw_rawmidi_prefer_subdevice,
set_power_state: snd_ctl_hw_set_power_state,
get_power_state: snd_ctl_hw_get_power_state,
read: snd_ctl_hw_read,
};