ALSA: asihpi - Allow adapters with duplicate index jumpers to be discovered.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 12 insertions, 2 deletions

diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c
index 4b3f4761cba5..3e9c5c289764 100644
--- a/sound/pci/asihpi/hpicmn.c
+++ b/sound/pci/asihpi/hpicmn.c
@@ -78,8 +78,18 @@ u16 hpi_add_adapter(struct hpi_adapter_obj *pao)
         }
 
         if (adapters.adapter[pao->index].adapter_type) {
-                {
-                        retval = HPI_DUPLICATE_ADAPTER_NUMBER;
+                int a;
+                for (a = HPI_MAX_ADAPTERS - 1; a >= 0; a--) {
+                        if (!adapters.adapter[a].adapter_type) {
+                                HPI_DEBUG_LOG(WARNING,
+                                        "ASI%X duplicate index %d moved to %d\n",
+                                        pao->adapter_type, pao->index, a);
+                                pao->index = a;
+                                break;
+                        }
+                }
+                if (a < 0) {
+                        retval = HPI_ERROR_DUPLICATE_ADAPTER_NUMBER;
                         goto unlock;
                 }
         }