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Fix overwritten register index value oversight

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This commit is contained in:
RichardG867
2021-07-29 13:23:18 -03:00
parent 8cf5e3d77f
commit c5c6cb715c
1 changed files with 4 additions and 6 deletions
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10
src/sound/snd_ac97_via.c
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@@ -378,18 +378,16 @@ ac97_via_sgd_write(uint16_t addr, uint8_t val, void *priv)
if (val & 1) { /* return 0x00 on unaligned reads */
dev->sgd_regs[0x80] = dev->sgd_regs[0x81] = 0x00;
} else {
dev->sgd_regs[0x80] = dev->codec_shadow[modem].regs_codec[i][val] = ac97_codec_read(codec, val);
val |= 1;
dev->sgd_regs[0x81] = dev->codec_shadow[modem].regs_codec[i][val] = ac97_codec_read(codec, val);
dev->sgd_regs[0x80] = dev->codec_shadow[modem].regs_codec[i][val] = ac97_codec_read(codec, val);
dev->sgd_regs[0x81] = dev->codec_shadow[modem].regs_codec[i][val | 1] = ac97_codec_read(codec, val | 1);
}
/* Flag data/status/index for this codec as valid. */
if (val & 0x80)
dev->sgd_regs[0x83] |= 0x02 << (i << 1);
} else if (!(val & 1)) { /* do nothing on unaligned writes */
ac97_codec_write(codec, val, dev->codec_shadow[modem].regs_codec[i][val] = dev->sgd_regs[0x80]);
val |= 1;
ac97_codec_write(codec, val, dev->codec_shadow[modem].regs_codec[i][val] = dev->sgd_regs[0x81]);
ac97_codec_write(codec, val, dev->codec_shadow[modem].regs_codec[i][val] = dev->sgd_regs[0x80]);
ac97_codec_write(codec, val | 1, dev->codec_shadow[modem].regs_codec[i][val | 1] = dev->sgd_regs[0x81]);
/* Update primary audio codec state if that codec was written to. */
if (!modem && !i)