Cross Reference: /src/sys/dev/audio/audio.c

Lines Matching refs:gain
5644 			/* If there are multiple tracks, do auto gain control */
5714  * Do auto gain control.
7146  * ai.{play,record}.gain		(R/W)
7148  *	It is historical reason that the gain is connected to HW mixer.
7159  *	It specifies the recording monitor gain(?) of HW mixer.
7296 		if (SPECIFIED(ai->play.gain))
7297 			SPRINTF(buf, ",play.gain=%d", ai->play.gain);
7298 		if (SPECIFIED(ai->record.gain))
7299 			SPRINTF(buf, ",record.gain=%d", ai->record.gain);
7617  * The parameters handled here are *.port, *.gain, *.balance and monitor_gain.
7679 	/* play.{gain,balance} */
7680 	if (SPECIFIED(newpi->gain) || SPECIFIED_CH(newpi->balance)) {
7683 			oldpi->gain = pgain;
7687 		if (SPECIFIED(newpi->gain))
7688 			pgain = newpi->gain;
7694 			    "setting play.gain=%d/balance=%d failed: "
7701 	/* record.{gain,balance} */
7702 	if (SPECIFIED(newri->gain) || SPECIFIED_CH(newri->balance)) {
7705 			oldri->gain = rgain;
7709 		if (SPECIFIED(newri->gain))
7710 			rgain = newri->gain;
7716 			    "setting record.gain=%d/balance=%d failed: "
7808 	int gain;
7912 		au_get_gain(sc, &sc->sc_outports, &pi->gain, &pi->balance);
7913 		au_get_gain(sc, &sc->sc_inports, &ri->gain, &ri->balance);
7916 			gain = au_get_monitor_gain(sc);
7917 			if (gain != -1)
7918 				ai->monitor_gain = gain;
8750 	int gain, int balance)
8762 		l = r = gain;
8764 		l = gain;
8765 		r = (balance * gain) / AUDIO_MID_BALANCE;
8767 		r = gain;
8768 		l = ((AUDIO_RIGHT_BALANCE - balance) * gain)
8771 	TRACE(2, "gain=%d balance=%d, l=%d r=%d", gain, balance, l, r);
9037  * It returns monitor gain if success, otherwise -1.
9143 	u_int gain;
9152 			au_get_gain(sc, &sc->sc_outports, &gain, &balance);
9155 			 * to reach max or minimum gain which seems reasonable
9160 			newgain = gain - mi.un.v.delta;
9174 	u_int gain, newgain;
9183 			au_get_gain(sc, &sc->sc_outports, &gain, &balance);
9186 			newgain = gain + mi.un.v.delta;
9199 	u_int gain, newgain;
9204 	au_get_gain(sc, &sc->sc_outports, &gain, &balance);
9205 	if (gain != 0) {
9206 		sc->sc_lastgain = gain;
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