hw_codec_volume_adjust()

int hw_codec_volume_adjust

(

int8_t

adjustment

)

Adjust volume on HW_CODEC.

Also unmute the volume on HW_CODEC

Parameters

adjustment

The adjustment in dB, can be negative or positive. If the value 0 is used, the previous known value will be written, default value will be used if no previous value exists

Returns

0 if successful, error otherwise