SND_POWER_WAIT(9)                 Management of Cards and Device                SND_POWER_WAIT(9)



NAME
       snd_power_wait - wait until the power-state is changed.

SYNOPSIS
       int snd_power_wait(struct snd_card * card, unsigned int power_state);

ARGUMENTS
       card
           soundcard structure

       power_state
           expected power state

DESCRIPTION
       Waits until the power-state is changed.

RETURN
       Zero if successful, or a negative error code.

NOTE
       the power lock must be active before call.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                         SND_POWER_WAIT(9)