alsa_sys

Function snd_tlv_convert_from_dB

Source 
pub unsafe extern "C" fn snd_tlv_convert_from_dB(
    tlv: *mut c_uint,
    rangemin: c_long,
    rangemax: c_long,
    db_gain: c_long,
    value: *mut c_long,
    xdir: c_int,
) -> c_int