SND_AC97_UPDATE_BITS(9)                 Control/Mixer API                 SND_AC97_UPDATE_BITS(9)



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.

RETURN
       1 if the bits are changed, 0 if no change, or a negative code on failure.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   SND_AC97_UPDATE_BITS(9)