From c0759e0d9b3c82f229e9f072f03c409927e44c1c Mon Sep 17 00:00:00 2001
From: Jannik Vogel <email@jannikvogel.de>
Date: Tue, 14 Jan 2020 01:17:44 +0100
Subject: [PATCH] ac97: Allow 32-bit write to CR through index 08h

---
 hw/audio/ac97.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index ffd8607ba6..6ffb41fe44 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -913,6 +913,13 @@ static void nabm_writel (void *opaque, uint32_t addr, uint32_t val)
         dolog ("BDBAR[%d] <- %#x (bdbar %#x)\n",
                GET_BM (index), val, r->bdbar);
         break;
+    case PI_PICB:
+    case PO_PICB:
+    case MC_PICB:
+    case SO_PICB:
+        /* PICB, PIV and CR. But PICB and PIV are RO */
+        nabm_writeb(opaque, addr + 3, (val >> 24) & 0xff);
+        break;
     case GLOB_CNT:
         if (val & GC_WR)
             warm_reset (s);