[src/trunk]: src/sys/dev/isa MAke sure bass&treble start in their mid position.

[augustss <augustss%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1f2a58234537
branches:  trunk
changeset: 494239:1f2a58234537
user:      augustss <augustss%NetBSD.org@localhost>
date:      Tue Jul 04 10:02:45 2000 +0000

description:
MAke sure bass&treble start in their mid position.

diffstat:

 sys/dev/isa/ym.c |  15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diffs (43 lines):

diff -r 40e602fafea9 -r 1f2a58234537 sys/dev/isa/ym.c
--- a/sys/dev/isa/ym.c  Tue Jul 04 09:56:14 2000 +0000
+++ b/sys/dev/isa/ym.c  Tue Jul 04 10:02:45 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ym.c,v 1.14 2000/03/23 07:01:36 thorpej Exp $  */
+/*     $NetBSD: ym.c,v 1.15 2000/07/04 10:02:45 augustss Exp $ */
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -124,6 +124,10 @@
 #define YM_VOL_OPL3            184
 #endif
 
+#ifndef YM_VOL_EQUAL
+#define YM_VOL_EQUAL           128
+#endif
+
 #ifdef __i386__                /* XXX */
 # include "joy.h"
 #else
@@ -202,6 +206,7 @@
        static struct ad1848_volume vol_master = {YM_VOL_MASTER, YM_VOL_MASTER};
        static struct ad1848_volume vol_dac    = {YM_VOL_DAC,    YM_VOL_DAC};
        static struct ad1848_volume vol_opl3   = {YM_VOL_OPL3,   YM_VOL_OPL3};
+       mixer_ctrl_t mctl;
        struct audio_attach_args arg;
 
        callout_init(&sc->sc_powerdown_ch);
@@ -234,6 +239,14 @@
        ad1848_set_channel_gain(ac, AD1848_DAC_CHANNEL, &vol_dac);
        ad1848_set_channel_gain(ac, AD1848_AUX2_CHANNEL, &vol_opl3);
 
+       /* Set tone control to middle position. */
+       mctl.un.value.num_channels = 1;
+       mctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = YM_VOL_EQUAL;
+       mctl.dev = YM_MASTER_BASS;
+       ym_mixer_set_port(sc, &mctl);
+       mctl.dev = YM_MASTER_TREBLE;
+       ym_mixer_set_port(sc, &mctl);
+
        /*
         * Mute all external sources.  If you change this, you must
         * also change the initial value of sc->sc_external_sources