snd_soc_test_bits(9) 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.

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