ALSA: bebob: add 'version' member for BeBoB protocol version
BeBoB installed devices have BeBoB register area. This area stores
basic information about its firmware. A register has its protocol
version.
This commit adds 'version' member and store the device's protocol
version to handle v3 quirks in following commits.
Tested-by: Kim Tore Jensen <kim@incendio.no>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
index e71bd35..920571b 100644
--- a/sound/firewire/bebob/bebob.c
+++ b/sound/firewire/bebob/bebob.c
@@ -33,6 +33,7 @@
static DECLARE_BITMAP(devices_used, SNDRV_CARDS);
/* Offsets from information register. */
+#define INFO_OFFSET_BEBOB_VERSION 0x08
#define INFO_OFFSET_GUID 0x10
#define INFO_OFFSET_HW_MODEL_ID 0x18
#define INFO_OFFSET_HW_MODEL_REVISION 0x1c
@@ -73,6 +74,7 @@
u32 hw_id;
u32 data[2] = {0};
u32 revision;
+ u32 version;
int err;
/* get vendor name from root directory */
@@ -105,6 +107,12 @@
if (err < 0)
goto end;
+ err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_BEBOB_VERSION,
+ &version);
+ if (err < 0)
+ goto end;
+ bebob->version = version;
+
strcpy(bebob->card->driver, "BeBoB");
strcpy(bebob->card->shortname, model);
strcpy(bebob->card->mixername, model);