Changeset 20828

Timestamp:

04/25/07 17:28:45 (19 months ago)

Author:

marcusoverhagen

Message:

Workaround for bug report #1175. This is hardware bug.

Files:

• haiku/trunk/src/add-ons/kernel/bus_managers/ps2/ps2_common.c (modified) (1 diff)

haiku/trunk/src/add-ons/kernel/bus_managers/ps2/ps2_common.c

@@ -177 +177 @@
         TRACE("ps2: active multiplexing not supported\n");
         *enabled = false;
+        // some controllers get upset by the d3 command and will continue data 
+        // loopback, thus send a harmless command (enable keybaord interface)
+        // see bug report #1175
+        res = ps2_command(0xae, NULL, 0, NULL, 0);
+        if (res != B_OK) {
+                INFO("ps2: active multiplexing d3 workaround failed, status 0x%08lx\n", res);
+        }
         return B_OK;