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path: root/sound/pci/rme9652/hdspm.c
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Diffstat (limited to 'sound/pci/rme9652/hdspm.c')
-rw-r--r--sound/pci/rme9652/hdspm.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 19ee2203cbb5..cc9f6c83d661 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -61,7 +61,7 @@
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for RME HDSPM interface.");
@@ -941,6 +941,8 @@ struct hdspm {
cycles_t last_interrupt;
+ unsigned int serial;
+
struct hdspm_peak_rms peak_rms;
};
@@ -4694,7 +4696,7 @@ snd_hdspm_proc_read_madi(struct snd_info_entry * entry,
snd_iprintf(buffer, "HW Serial: 0x%06x%06x\n",
(hdspm_read(hdspm, HDSPM_midiStatusIn1)>>8) & 0xFFFFFF,
- (hdspm_read(hdspm, HDSPM_midiStatusIn0)>>8) & 0xFFFFFF);
+ hdspm->serial);
snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
@@ -6266,8 +6268,7 @@ static int snd_hdspm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
hdspm_version.card_type = hdspm->io_type;
strncpy(hdspm_version.cardname, hdspm->card_name,
sizeof(hdspm_version.cardname));
- hdspm_version.serial = (hdspm_read(hdspm,
- HDSPM_midiStatusIn0)>>8) & 0xFFFFFF;
+ hdspm_version.serial = hdspm->serial;
hdspm_version.firmware_rev = hdspm->firmware_rev;
hdspm_version.addons = 0;
if (hdspm->tco)
@@ -6782,6 +6783,25 @@ static int __devinit snd_hdspm_create(struct snd_card *card,
tasklet_init(&hdspm->midi_tasklet,
hdspm_midi_tasklet, (unsigned long) hdspm);
+
+ if (hdspm->io_type != MADIface) {
+ hdspm->serial = (hdspm_read(hdspm,
+ HDSPM_midiStatusIn0)>>8) & 0xFFFFFF;
+ /* id contains either a user-provided value or the default
+ * NULL. If it's the default, we're safe to
+ * fill card->id with the serial number.
+ *
+ * If the serial number is 0xFFFFFF, then we're dealing with
+ * an old PCI revision that comes without a sane number. In
+ * this case, we don't set card->id to avoid collisions
+ * when running with multiple cards.
+ */
+ if (NULL == id[hdspm->dev] && hdspm->serial != 0xFFFFFF) {
+ sprintf(card->id, "HDSPMx%06x", hdspm->serial);
+ snd_card_set_id(card, card->id);
+ }
+ }
+
snd_printdd("create alsa devices.\n");
err = snd_hdspm_create_alsa_devices(card, hdspm);
if (err < 0)
@@ -6868,10 +6888,10 @@ static int __devinit snd_hdspm_probe(struct pci_dev *pci,
if (hdspm->io_type != MADIface) {
sprintf(card->shortname, "%s_%x",
hdspm->card_name,
- (hdspm_read(hdspm, HDSPM_midiStatusIn0)>>8) & 0xFFFFFF);
+ hdspm->serial);
sprintf(card->longname, "%s S/N 0x%x at 0x%lx, irq %d",
hdspm->card_name,
- (hdspm_read(hdspm, HDSPM_midiStatusIn0)>>8) & 0xFFFFFF,
+ hdspm->serial,
hdspm->port, hdspm->irq);
} else {
sprintf(card->shortname, "%s", hdspm->card_name);