AD1848_LINE_CHANNEL
{ TOCCATA_LINE_IN_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL },
{ TOCCATA_LINE_IN_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL },
ad1848_set_channel_gain(sc, AD1848_LINE_CHANNEL, &vol_mid);
{ CSAUDIO_LINE_IN_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL },
{ CSAUDIO_LINE_IN_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL },
{ GUSMAX_LINE_IN_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL },
{ GUSMAX_LINE_IN_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL },
ad1848_mute_channel(ac, AD1848_LINE_CHANNEL, MUTE_ALL); /* line */
ac->mute[AD1848_LINE_CHANNEL] = MUTE_ALL;
{ YM_LINE_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL },
{ YM_LINE_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL },