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.