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authorTim Blechmann <tim@klingt.org>2011-06-24 17:36:20 +0200
committerTakashi Iwai <tiwai@suse.de>2011-06-25 09:15:31 +0200
commit80b52490cdbfec7ea93d1158f13f0e49a1557423 (patch)
treeff40dd069882554e8e2e7b75a58c24af227f5fae /sound/pci
parent14705799138005dcb66fa9dfe3e9103e9ae7a897 (diff)
downloadlinux-80b52490cdbfec7ea93d1158f13f0e49a1557423.tar.bz2
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>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/lx6464es/lx6464es.c21
-rw-r--r--sound/pci/lx6464es/lx6464es.h2
-rw-r--r--sound/pci/lx6464es/lx_core.c14
-rw-r--r--sound/pci/lx6464es/lx_core.h2
4 files changed, 23 insertions, 16 deletions
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c
index 38ae83951de0..04ae84b2a107 100644
--- a/sound/pci/lx6464es/lx6464es.c
+++ b/sound/pci/lx6464es/lx6464es.c
@@ -762,7 +762,6 @@ static int lx_set_granularity(struct lx6464es *chip, u32 gran)
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 @@ static int __devinit lx_init_dsp(struct lx6464es *chip)
/** \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 @@ static int __devinit lx_init_dsp(struct lx6464es *chip)
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 @@ static int __devinit snd_lx6464es_probe(struct pci_dev *pci,
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);
diff --git a/sound/pci/lx6464es/lx6464es.h b/sound/pci/lx6464es/lx6464es.h
index aea621eafbb5..e2a124ae27e8 100644
--- a/sound/pci/lx6464es/lx6464es.h
+++ b/sound/pci/lx6464es/lx6464es.h
@@ -69,6 +69,8 @@ struct lx6464es {
struct pci_dev *pci;
int irq;
+ u8 mac_address[6];
+
spinlock_t lock; /* interrupt spinlock */
struct mutex setup_mutex; /* mutex used in hw_params, open
* and close */
diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c
index 617f98b0cbae..5c8717e29eeb 100644
--- a/sound/pci/lx6464es/lx_core.c
+++ b/sound/pci/lx6464es/lx_core.c
@@ -424,7 +424,7 @@ int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq)
return ret;
}
-int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address)
+int lx_dsp_get_mac(struct lx6464es *chip)
{
u32 macmsb, maclsb;
@@ -432,12 +432,12 @@ int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address)
maclsb = lx_dsp_reg_read(chip, eReg_ADMACESLSB) & 0x00FFFFFF;
/* todo: endianess handling */
- mac_address[5] = ((u8 *)(&maclsb))[0];
- mac_address[4] = ((u8 *)(&maclsb))[1];
- mac_address[3] = ((u8 *)(&maclsb))[2];
- mac_address[2] = ((u8 *)(&macmsb))[0];
- mac_address[1] = ((u8 *)(&macmsb))[1];
- mac_address[0] = ((u8 *)(&macmsb))[2];
+ chip->mac_address[5] = ((u8 *)(&maclsb))[0];
+ chip->mac_address[4] = ((u8 *)(&maclsb))[1];
+ chip->mac_address[3] = ((u8 *)(&maclsb))[2];
+ chip->mac_address[2] = ((u8 *)(&macmsb))[0];
+ chip->mac_address[1] = ((u8 *)(&macmsb))[1];
+ chip->mac_address[0] = ((u8 *)(&macmsb))[2];
return 0;
}
diff --git a/sound/pci/lx6464es/lx_core.h b/sound/pci/lx6464es/lx_core.h
index 6bd9cbbbc68d..1dd562980b6c 100644
--- a/sound/pci/lx6464es/lx_core.h
+++ b/sound/pci/lx6464es/lx_core.h
@@ -116,7 +116,7 @@ int __devinit lx_dsp_get_version(struct lx6464es *chip, u32 *rdsp_version);
int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq);
int lx_dsp_set_granularity(struct lx6464es *chip, u32 gran);
int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data);
-int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address);
+int lx_dsp_get_mac(struct lx6464es *chip);
/* low-level pipe handling */