SND_AC97_UPDATE_BITS
Section: Control/Mixer API (9)
Updated: February 2011
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NAME
snd_ac97_update_bits - update the bits on the given register
SYNOPSIS
-
int snd_ac97_update_bits(struct snd_ac97 * ac97, unsigned short reg, unsigned short mask, unsigned short value);
ARGUMENTS
ac97
-
- the ac97 instance
reg
-
the register to change
mask
-
the bit-mask to change
value
-
the value to set
DESCRIPTION
Updates the masked-bits on the given register only when the value is changed.
Returns 1 if the bits are changed, 0 if no change, or a negative code on failure.
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