ALSA: lx6464es - include mac address in device name
each device has a unique mac address, which can be used to distinguish
multiple devices in the same machine. we therefore include the full mac
address in the device shortname and the last 6 bytes in the device id.
Signed-off-by: Tim Blechmann <tim@klingt.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c
index 38ae839..04ae84b2 100644
--- a/sound/pci/lx6464es/lx6464es.c
+++ b/sound/pci/lx6464es/lx6464es.c
@@ -762,7 +762,6 @@
static int __devinit lx_init_dsp(struct lx6464es *chip)
{
int err;
- u8 mac_address[6];
int i;
snd_printdd("->lx_init_dsp\n");
@@ -787,11 +786,11 @@
/** \todo the mac address should be ready by not, but it isn't,
* so we wait for it */
for (i = 0; i != 1000; ++i) {
- err = lx_dsp_get_mac(chip, mac_address);
+ err = lx_dsp_get_mac(chip);
if (err)
return err;
- if (mac_address[0] || mac_address[1] || mac_address[2] ||
- mac_address[3] || mac_address[4] || mac_address[5])
+ if (chip->mac_address[0] || chip->mac_address[1] || chip->mac_address[2] ||
+ chip->mac_address[3] || chip->mac_address[4] || chip->mac_address[5])
goto mac_ready;
msleep(1);
}
@@ -800,8 +799,8 @@
mac_ready:
snd_printd(LXP "mac address ready read after: %dms\n", i);
snd_printk(LXP "mac address: %02X.%02X.%02X.%02X.%02X.%02X\n",
- mac_address[0], mac_address[1], mac_address[2],
- mac_address[3], mac_address[4], mac_address[5]);
+ chip->mac_address[0], chip->mac_address[1], chip->mac_address[2],
+ chip->mac_address[3], chip->mac_address[4], chip->mac_address[5]);
err = lx_init_get_version_features(chip);
if (err)
@@ -1108,8 +1107,14 @@
goto out_free;
}
- strcpy(card->driver, "lx6464es");
- strcpy(card->shortname, "Digigram LX6464ES");
+ strcpy(card->driver, "LX6464ES");
+ sprintf(card->id, "LX6464ES_%02X%02X%02X",
+ chip->mac_address[3], chip->mac_address[4], chip->mac_address[5]);
+
+ sprintf(card->shortname, "LX6464ES %02X.%02X.%02X.%02X.%02X.%02X",
+ chip->mac_address[0], chip->mac_address[1], chip->mac_address[2],
+ chip->mac_address[3], chip->mac_address[4], chip->mac_address[5]);
+
sprintf(card->longname, "%s at 0x%lx, 0x%p, irq %i",
card->shortname, chip->port_plx,
chip->port_dsp_bar, chip->irq);