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AD1848: I18/I19 directly control FM volume on CS4232/4236 non-B

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win2kgamer
2025-10-21 20:32:13 -05:00
parent 52e22e90fc
commit ceeb2d057d
1 changed files with 13 additions and 0 deletions
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13
src/sound/snd_ad1848.c
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@@ -425,6 +425,19 @@ ad1848_write(uint16_t addr, uint8_t val, void *priv)
ad1848->fm_vol_r = (int) ad1848_vols_5bits_aux_gain[val & 0x1f];
}
}
if ((ad1848->type >= AD1848_TYPE_CS4232) && (ad1848->type <= AD1848_TYPE_CS4236)) {
if (ad1848->index == 18) {
if (val & 0x80)
ad1848->fm_vol_l = 0;
else
ad1848->fm_vol_l = (int) ad1848_vols_5bits_aux_gain[val & 0x1f];
} else {
if (val & 0x80)
ad1848->fm_vol_r = 0;
else
ad1848->fm_vol_r = (int) ad1848_vols_5bits_aux_gain[val & 0x1f];
}
}
break;
case 20 ... 21: