snd_soc_test_bits (9) Linux Manual Page
snd_soc_test_bits – test register for change
Synopsis
int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, unsigned int mask, unsigned int value);Arguments
codec
-
- audio codec
reg
- codec register
mask
- register mask
value
- new value
Description
Tests a register with a new value and checks if the new value is different from the old value.
Returns 1 for change else 0.