snd_ac97_update
Prev | AC97 Codec API | Next

## Name

snd_ac97_update — update the value on the given register

## Synopsis

`int snd_ac97_update (` | struct snd_ac97 * ac97,
| unsigned short reg,
| unsigned short value`)`;

## Arguments

`ac97`

  the ac97 instance

`reg`

  the register to change

`value`

  the value to set

## Description

Compares the value with the register cache and updates the value only when the value is changed.

## Return

1 if the value is changed, 0 if no change, or a negative code on failure.

Prev | Up | Next
snd_ac97_write_cache | Home | snd_ac97_update_bits