MXR_LAYER_CFG
DUMPREG(MXR_LAYER_CFG);
mixer_reg_writemask(ctx, MXR_LAYER_CFG,
mixer_reg_writemask(ctx, MXR_LAYER_CFG,
mixer_reg_writemask(ctx, MXR_LAYER_CFG,
mixer_reg_write(ctx, MXR_LAYER_CFG, 0);