RT711_MUTE_SFT
<< RT711_MUTE_SFT;
read_ll = read_ll & (1 << RT711_MUTE_SFT);
<< RT711_MUTE_SFT;
read_rl = read_rl & (1 << RT711_MUTE_SFT);
read_ll = !((read_ll & 0x80) >> RT711_MUTE_SFT);
read_rl = !((read_rl & 0x80) >> RT711_MUTE_SFT);
val_l = (1 << RT711_MUTE_SFT);