snd_power_wait (9) - Linux Man Pages

snd_power_wait: wait until the power-state is changed.

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.

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