[ALSA] bt87x: fix detection of generic boards

Add an 'unknown' board type so that it is possible to differentiate
between unknown and generic boards.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 7 insertions, 3 deletions

diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c
index 42e57fd02d39..91f9e6a112ff 100644
--- a/sound/pci/bt87x.c
+++ b/sound/pci/bt87x.c
@@ -149,6 +149,7 @@ MODULE_PARM_DESC(load_all, "Allow to load the non-whitelisted cards");
 
 /* Cards with configuration information */
 enum snd_bt87x_boardid {
+        SND_BT87X_BOARD_UNKNOWN,
         SND_BT87X_BOARD_GENERIC,        /* both an & dig interfaces, 32kHz */
         SND_BT87X_BOARD_ANALOG,         /* board with no external A/D */
         SND_BT87X_BOARD_OSPREY2x0,
@@ -165,6 +166,9 @@ struct snd_bt87x_board {
 };
 
 static const __devinitdata struct snd_bt87x_board snd_bt87x_boards[] = {
+        [SND_BT87X_BOARD_UNKNOWN] = {
+                .dig_rate = 32000, /* just a guess */
+        },
         [SND_BT87X_BOARD_GENERIC] = {
                 .dig_rate = 32000,
         },
@@ -861,7 +865,7 @@ static int __devinit snd_bt87x_detect_card(struct pci_dev *pci)
         snd_printk(KERN_DEBUG "please mail id, board name, and, "
                    "if it works, the correct digital_rate option to "
                    "<alsa-devel@alsa-project.org>\n");
-        return SND_BT87X_BOARD_GENERIC;
+        return SND_BT87X_BOARD_UNKNOWN;
 }
 
 static int __devinit snd_bt87x_probe(struct pci_dev *pci,
@@ -959,8 +963,8 @@ static void __devexit snd_bt87x_remove(struct pci_dev *pci)
 /* default entries for all Bt87x cards - it's not exported */
 /* driver_data is set to 0 to call detection */
 static struct pci_device_id snd_bt87x_default_ids[] __devinitdata = {
-        BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, PCI_ANY_ID, PCI_ANY_ID, GENERIC),
-        BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, PCI_ANY_ID, PCI_ANY_ID, GENERIC),
+        BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, PCI_ANY_ID, PCI_ANY_ID, UNKNOWN),
+        BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, PCI_ANY_ID, PCI_ANY_ID, UNKNOWN),
         { }
 };