Changeset 25574

Timestamp:

05/20/08 13:07:50 (6 months ago)

Author:

korli

Message:

wait for codec reset before attaching the codec

Files:

• haiku/trunk/src/add-ons/kernel/drivers/audio/ac97/auich/auich.c (modified) (3 diffs)

haiku/trunk/src/add-ons/kernel/drivers/audio/ac97/auich/auich.c

@@ -605 +605 @@
         status_t rv;
         unsigned char cmd;
+        int i;
 
         PRINT(("auich_setup(%p)\n", card));
@@ -664 +665 @@
                 LOG(("cold reset failed\n"));
         }
-
+        
+        for (i = 0; i < 500; i++) {
+                rv = auich_reg_read_32(&card->config, AUICH_REG_GLOB_STA);
+                if (rv & STA_S0CR)
+                        break;
+                snooze(1000);
+        }
+        
+        if (!(rv & STA_S0CR)) { /* reset failure */
+                /* It never return STA_S0CR in some cases */
+                PRINT(("reset failure\n"));
+        }
+        
         /* attach the codec */  
         PRINT(("codec attach\n"));
@@ -671 +684 @@
                 card->config.subvendor_id, card->config.subsystem_id);
         
-        rv = auich_reg_read_32(&card->config, AUICH_REG_GLOB_STA);
-        if (!(rv & STA_S0CR)) { /* reset failure */
-                /* It never return STA_S0CR in some cases */
-                PRINT(("reset failure\n"));
-        }
         /* Print capabilities though there are no supports for now */
         if ((rv & STA_SAMPLE_CAP) == STA_POM20) {