snd_ac97_update_bits
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.