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 --- sound/pci/lx6464es/lx6464es.c | 21 +++++++++++++-------- sound/pci/lx6464es/lx6464es.h | 2 ++ sound/pci/lx6464es/lx_core.c | 14 +++++++------- sound/pci/lx6464es/lx_core.h | 2 +- 4 files changed, 23 insertions(+), 16 deletions(-)
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c index 1bd7a54..2736cf1 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 aea621e..e2a124a 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 617f98b..5c8717e 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 6bd9cbb..1dd5629 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 */