snd_soc_component_update_bits - Perform read/modify/write cycle
int snd_soc_component_update_bits(struct snd_soc_component * component, unsigned int reg, unsigned int mask, unsigned int val);
1 if the operation was successful and the value of the register changed, 0 if the operation was successful, but the value did not change. Returns a negative error code otherwise.
|January 2017||Kernel Hackers Manual 4.8.|