1SND_AC97_UPDATE(9)             Control/Mixer API            SND_AC97_UPDATE(9)
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NAME

6       snd_ac97_update - update the value on the given register
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SYNOPSIS

9       int snd_ac97_update(struct snd_ac97 * ac97, unsigned short reg,
10                           unsigned short value);
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ARGUMENTS

13       ac97
14           the ac97 instance
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16       reg
17           the register to change
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19       value
20           the value to set
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DESCRIPTION

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

27       1 if the value is changed, 0 if no change, or a negative code on
28       failure.
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31Kernel Hackers Manual 3.10         June 2019                SND_AC97_UPDATE(9)
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