fx_hold            88 sound/synth/emux/emux_nrpn.c static int fx_hold(int val);
fx_hold            98 sound/synth/emux/emux_nrpn.c #define fx_env1_hold	fx_hold		/* [0,8191] 1msec */
fx_hold           107 sound/synth/emux/emux_nrpn.c #define fx_env2_hold	fx_hold		/* [0,8191] 1msec */