PGA_MUX_NONE 722 sound/soc/codecs/mt6358.c PGA_MUX_NONE, PGA_MUX_NONE 1564 sound/soc/codecs/mt6358.c if (mux_pga_l != PGA_MUX_NONE) { PGA_MUX_NONE 1592 sound/soc/codecs/mt6358.c if (mux_pga_r != PGA_MUX_NONE) {