ALSA: ctxfi - Clean up probe routines

Clean up probe routines and model detection routines so that the driver
won't call and check the PCI subsystem id at each time.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pci/ctxfi/ctatc.c

@@ -39,29 +39,40 @@
 			    | (0x10 << 16) \
 			    | ((IEC958_AES3_CON_FS_48000) << 24))
 
-static const struct ct_atc_chip_sub_details atc_sub_details[NUM_CTCARDS] = {
-	[CTSB0760] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB0760,
-		      .nm_model = "SB076x"},
-	[CTHENDRIX] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_HENDRIX,
-		      .nm_model = "Hendrix"},
-	[CTSB08801] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08801,
-		      .nm_model = "SB0880"},
-	[CTSB08802] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08802,
-		      .nm_model = "SB0880"},
-	[CTSB08803] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08803,
-		      .nm_model = "SB0880"}
+static struct snd_pci_quirk __devinitdata subsys_20k1_list[] = {
+	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0022, "SB055x", CTSB055X),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x002f, "SB055x", CTSB055X),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0029, "SB073x", CTSB073X),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0031, "SB073x", CTSB073X),
+	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0x6000,
+			   PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "UAA", CTUAA),
+	SND_PCI_QUIRK_VENDOR(PCI_VENDOR_ID_CREATIVE,
+			     "Unknown", CT20K1_UNKNOWN),
+	{ } /* terminator */
 };
 
-static struct ct_atc_chip_details atc_chip_details[] = {
-	{.vendor = PCI_VENDOR_ID_CREATIVE,
-	 .device = PCI_DEVICE_ID_CREATIVE_20K1,
-	 .sub_details = NULL,
-	 .nm_card = "X-Fi 20k1"},
-	{.vendor = PCI_VENDOR_ID_CREATIVE,
-	 .device = PCI_DEVICE_ID_CREATIVE_20K2,
-	 .sub_details = atc_sub_details,
-	 .nm_card = "X-Fi 20k2"},
-	{} /* terminator */
+static struct snd_pci_quirk __devinitdata subsys_20k2_list[] = {
+	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
+		      "SB0760", CTSB0760),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
+		      "SB0880", CTSB0880),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
+		      "SB0880", CTSB0880),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
+		      "SB0880", CTSB0880),
+	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0x6000,
+			   PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "UAA", CTHENDRIX),
+	{ } /* terminator */
+};
+
+static const char *ct_subsys_name[NUM_CTCARDS] = {
+	[CTSB055X]	= "SB055x",
+	[CTSB073X]	= "SB073x",
+	[CTSB0760]	= "SB076x",
+	[CTUAA]		= "UAA",
+	[CT20K1_UNKNOWN] = "Unknown",
+	[CTHENDRIX]	= "Hendrix",
+	[CTSB0880]	= "SB0880",
 };
 
 static struct {
@@ -1208,62 +1219,39 @@ static int atc_dev_free(struct snd_device *dev)
 
 static int __devinit atc_identify_card(struct ct_atc *atc)
 {
-	u16 subsys;
-	u8 revision;
-	struct pci_dev *pci = atc->pci;
-	const struct ct_atc_chip_details *d;
-	enum CTCARDS i;
-
-	subsys = pci->subsystem_device;
-	revision = pci->revision;
-	atc->chip_details = NULL;
-	atc->model = NUM_CTCARDS;
-	for (d = atc_chip_details; d->vendor; d++) {
-		if (d->vendor != pci->vendor || d->device != pci->device)
-			continue;
+	const struct snd_pci_quirk *p;
+	const struct snd_pci_quirk *list;
 
-		if (NULL == d->sub_details) {
-			atc->chip_details = d;
-			break;
-		}
-		for (i = 0; i < NUM_CTCARDS; i++) {
-			if ((d->sub_details[i].subsys == subsys) ||
-			    (((subsys & 0x6000) == 0x6000) &&
-			    ((d->sub_details[i].subsys & 0x6000) == 0x6000))) {
-				atc->model = i;
-				break;
-			}
-		}
-		if (i >= NUM_CTCARDS)
-			continue;
-
-		atc->chip_details = d;
+	switch (atc->chip_type) {
+	case ATC20K1:
+		atc->chip_name = "20K1";
+		list = subsys_20k1_list;
+		break;
+	case ATC20K2:
+		atc->chip_name = "20K2";
+		list = subsys_20k2_list;
 		break;
-		/* not take revision into consideration now */
+	default:
+		return -ENOENT;
 	}
-	if (!d->vendor)
+	p = snd_pci_quirk_lookup(atc->pci, list);
+	if (!p)
 		return -ENOENT;
-
+	atc->model = p->value;
+	atc->model_name = ct_subsys_name[atc->model];
+	snd_printd("ctxfi: chip %s model %s (%04x:%04x) is found\n",
+		   atc->chip_name, atc->model_name,
+		   atc->pci->subsystem_vendor,
+		   atc->pci->subsystem_device);
 	return 0;
 }
 
 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc)
 {
 	enum CTALSADEVS i;
-	struct hw *hw = atc->hw;
 	int err;
 
-	switch (hw->get_chip_type(hw)) {
-	case ATC20K1:
-		alsa_dev_funcs[MIXER].public_name = "20K1";
-		break;
-	case ATC20K2:
-		alsa_dev_funcs[MIXER].public_name = "20K2";
-		break;
-	default:
-		alsa_dev_funcs[MIXER].public_name = "Unknown";
-		break;
-	}
+	alsa_dev_funcs[MIXER].public_name = atc->chip_name;
 
 	for (i = 0; i < NUM_CTALSADEVS; i++) {
 		if (NULL == alsa_dev_funcs[i].create)
@@ -1287,7 +1275,7 @@ static int __devinit atc_create_hw_devs(struct ct_atc *atc)
 	struct card_conf info = {0};
 	int i, err;
 
-	err = create_hw_obj(atc->pci, &hw);
+	err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
 	if (err) {
 		printk(KERN_ERR "Failed to create hw obj!!!\n");
 		return err;
@@ -1328,7 +1316,6 @@ static int __devinit atc_get_resources(struct ct_atc *atc)
 	struct sum_desc sum_dsc = {0};
 	struct sum_mgr *sum_mgr;
 	int err, i;
-	unsigned short subsys_id;
 
 	atc->daios = kzalloc(sizeof(void *)*(DAIONUM), GFP_KERNEL);
 	if (NULL == atc->daios)
@@ -1359,13 +1346,10 @@ static int __devinit atc_get_resources(struct ct_atc *atc)
 		}
 		atc->n_daio++;
 	}
-	subsys_id = atc->pci->subsystem_device;
-	if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
-		/* SB073x cards */
+	if (atc->model == CTSB073X)
 		da_desc.type = SPDIFI1;
-	} else {
+	else
 		da_desc.type = SPDIFIO;
-	}
 	err = daio_mgr->get_daio(daio_mgr, &da_desc,
 				(struct daio **)&atc->daios[i]);
 	if (err) {
@@ -1555,7 +1539,8 @@ static struct ct_atc atc_preset __devinitdata = {
  */
 
 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
-		  unsigned int rsr, unsigned int msr, struct ct_atc **ratc)
+			    unsigned int rsr, unsigned int msr,
+			    int chip_type, struct ct_atc **ratc)
 {
 	struct ct_atc *atc;
 	static struct snd_device_ops ops = {
@@ -1576,6 +1561,7 @@ int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
 	atc->pci = pci;
 	atc->rsr = rsr;
 	atc->msr = msr;
+	atc->chip_type = chip_type;
 
 	spin_lock_init(&atc->atc_lock);
 

sound/pci/ctxfi/ctatc.h

@@ -37,15 +37,6 @@ enum CTALSADEVS {		/* Types of alsa devices */
 	NUM_CTALSADEVS		/* This should always be the last */
 };
 
-enum CTCARDS {
-	CTSB0760,
-	CTHENDRIX,
-	CTSB08801,
-	CTSB08802,
-	CTSB08803,
-	NUM_CTCARDS		/* This should always be the last */
-};
-
 struct ct_atc_chip_sub_details {
 	u16 subsys;
 	const char *nm_model;
@@ -89,8 +80,10 @@ struct ct_atc {
 	unsigned int msr; /* master sample rate in rsr */
 	unsigned int pll_rate; /* current rate of Phase Lock Loop */
 
-	const struct ct_atc_chip_details *chip_details;
-	enum CTCARDS model;
+	int chip_type;
+	int model;
+	const char *chip_name;
+	const char *model_name;
 
 	struct ct_vm *vm; /* device virtual memory manager for this card */
 	int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
@@ -147,7 +140,7 @@ struct ct_atc {
 
 
 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
-			    unsigned int rsr, unsigned int msr,
+			    unsigned int rsr, unsigned int msr, int chip_type,
 			    struct ct_atc **ratc);
 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc);
 

sound/pci/ctxfi/ctdaio.c

@@ -116,7 +116,7 @@ static struct rsc_ops daio_in_rsc_ops_20k2 = {
 
 static unsigned int daio_device_index(enum DAIOTYP type, struct hw *hw)
 {
-	switch (hw->get_chip_type(hw)) {
+	switch (hw->chip_type) {
 	case ATC20K1:
 		switch (type) {
 		case SPDIFOO:	return 0;
@@ -343,7 +343,7 @@ static int daio_rsc_init(struct daio *daio,
 	int err;
 	unsigned int idx_l, idx_r;
 
-	switch (((struct hw *)hw)->get_chip_type(hw)) {
+	switch (((struct hw *)hw)->chip_type) {
 	case ATC20K1:
 		idx_l = idx_20k1[desc->type].left;
 		idx_r = idx_20k1[desc->type].right;
@@ -367,7 +367,7 @@ static int daio_rsc_init(struct daio *daio,
 	if (desc->type <= DAIO_OUT_MAX) {
 		daio->rscl.ops = daio->rscr.ops = &daio_out_rsc_ops;
 	} else {
-		switch (((struct hw *)hw)->get_chip_type(hw)) {
+		switch (((struct hw *)hw)->chip_type) {
 		case ATC20K1:
 			daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k1;
 			break;

sound/pci/ctxfi/cthardware.c

@@ -20,34 +20,16 @@
 #include "cthw20k2.h"
 #include <linux/bug.h>
 
-static enum CHIPTYP __devinitdata get_chip_type(struct hw *hw)
-{
-	enum CHIPTYP type;
-
-	switch (hw->pci->device) {
-	case 0x0005:	/* 20k1 device */
-		type = ATC20K1;
-		break;
-	case 0x000B:	/* 20k2 device */
-		type = ATC20K2;
-		break;
-	default:
-		type = ATCNONE;
-		break;
-	}
-
-	return type;
-}
-
-int __devinit create_hw_obj(struct pci_dev *pci, struct hw **rhw)
+int __devinit create_hw_obj(struct pci_dev *pci, enum CHIPTYP chip_type,
+			    enum CTCARDS model, struct hw **rhw)
 {
 	int err;
 
-	switch (pci->device) {
-	case 0x0005:	/* 20k1 device */
+	switch (chip_type) {
+	case ATC20K1:
 		err = create_20k1_hw_obj(rhw);
 		break;
-	case 0x000B:	/* 20k2 device */
+	case ATC20K2:
 		err = create_20k2_hw_obj(rhw);
 		break;
 	default:
@@ -58,7 +40,8 @@ int __devinit create_hw_obj(struct pci_dev *pci, struct hw **rhw)
 		return err;
 
 	(*rhw)->pci = pci;
-	(*rhw)->get_chip_type = get_chip_type;
+	(*rhw)->chip_type = chip_type;
+	(*rhw)->model = model;
 
 	return 0;
 }

sound/pci/ctxfi/cthardware.h

@@ -27,6 +27,19 @@ enum CHIPTYP {
 	ATCNONE
 };
 
+enum CTCARDS {
+	/* 20k1 models */
+	CTSB055X,
+	CTSB073X,
+	CTUAA,
+	CT20K1_UNKNOWN,
+	/* 20k2 models */
+	CTSB0760,
+	CTHENDRIX,
+	CTSB0880,
+	NUM_CTCARDS		/* This should always be the last */
+};
+
 /* Type of input source for ADC */
 enum ADCSRC{
 	ADC_MICIN,
@@ -48,7 +61,6 @@ struct hw {
 	int (*card_init)(struct hw *hw, struct card_conf *info);
 	int (*card_stop)(struct hw *hw);
 	int (*pll_init)(struct hw *hw, unsigned int rsr);
-	enum CHIPTYP (*get_chip_type)(struct hw *hw);
 	int (*is_adc_source_selected)(struct hw *hw, enum ADCSRC source);
 	int (*select_adc_source)(struct hw *hw, enum ADCSRC source);
 	int (*have_digit_io_switch)(struct hw *hw);
@@ -156,9 +168,13 @@ struct hw {
 	int irq;
 	unsigned long io_base;
 	unsigned long mem_base;
+
+	enum CHIPTYP chip_type;
+	enum CTCARDS model;
 };
 
-int create_hw_obj(struct pci_dev *pci, struct hw **rhw);
+int create_hw_obj(struct pci_dev *pci, enum CHIPTYP chip_type,
+		  enum CTCARDS model, struct hw **rhw);
 int destroy_hw_obj(struct hw *hw);
 
 unsigned int get_field(unsigned int data, unsigned int field);

sound/pci/ctxfi/cthw20k1.c

@@ -1432,11 +1432,9 @@ static int hw_dac_init(struct hw *hw, const struct dac_conf *info)
 {
 	u32 data;
 	u16 gpioorg;
-	u16 subsys_id;
 	unsigned int ret;
 
-	pci_read_config_word(hw->pci, PCI_SUBSYSTEM_ID, &subsys_id);
-	if ((subsys_id == 0x0022) || (subsys_id == 0x002F)) {
+	if (hw->model == CTSB055X) {
 		/* SB055x, unmute outputs */
 		gpioorg = (u16)hw_read_20kx(hw, GPIO);
 		gpioorg &= 0xffbf;	/* set GPIO6 to low */
@@ -1538,19 +1536,14 @@ static int is_adc_input_selected_hendrix(struct hw *hw, enum ADCSRC type)
 
 static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type)
 {
-	u16 subsys_id;
-
-	pci_read_config_word(hw->pci, PCI_SUBSYSTEM_ID, &subsys_id);
-	if ((subsys_id == 0x0022) || (subsys_id == 0x002F)) {
-		/* SB055x cards */
+	switch (hw->model) {
+	case CTSB055X:
 		return is_adc_input_selected_SB055x(hw, type);
-	} else if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
-		/* SB073x cards */
+	case CTSB073X:
 		return is_adc_input_selected_hendrix(hw, type);
-	} else if ((subsys_id & 0xf000) == 0x6000) {
-		/* Vista compatible cards */
+	case CTHENDRIX:
 		return is_adc_input_selected_hendrix(hw, type);
-	} else {
+	default:
 		return is_adc_input_selected_SBx(hw, type);
 	}
 }
@@ -1692,20 +1685,17 @@ adc_input_select_hendrix(struct hw *hw, enum ADCSRC type, unsigned char boost)
 
 static int hw_adc_input_select(struct hw *hw, enum ADCSRC type)
 {
-	u16 subsys_id;
-
-	pci_read_config_word(hw->pci, PCI_SUBSYSTEM_ID, &subsys_id);
-	if ((subsys_id == 0x0022) || (subsys_id == 0x002F)) {
-		/* SB055x cards */
-		return adc_input_select_SB055x(hw, type, (ADC_MICIN == type));
-	} else if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
-		/* SB073x cards */
-		return adc_input_select_hendrix(hw, type, (ADC_MICIN == type));
-	} else if ((subsys_id & 0xf000) == 0x6000) {
-		/* Vista compatible cards */
-		return adc_input_select_hendrix(hw, type, (ADC_MICIN == type));
-	} else {
-		return adc_input_select_SBx(hw, type, (ADC_MICIN == type));
+	int state = type == ADC_MICIN;
+
+	switch (hw->model) {
+	case CTSB055X:
+		return adc_input_select_SB055x(hw, type, state);
+	case CTSB073X:
+		return adc_input_select_hendrix(hw, type, state);
+	case CTHENDRIX:
+		return adc_input_select_hendrix(hw, type, state);
+	default:
+		return adc_input_select_SBx(hw, type, state);
 	}
 }
 
@@ -1781,28 +1771,16 @@ static int adc_init_SBx(struct hw *hw, int input, int mic20db)
 
 static int hw_adc_init(struct hw *hw, const struct adc_conf *info)
 {
-	int err;
-	u16 subsys_id;
-
-	pci_read_config_word(hw->pci, PCI_SUBSYSTEM_ID, &subsys_id);
-	if ((subsys_id == 0x0022) || (subsys_id == 0x002F)) {
-		/* Sb055x card */
-		err = adc_init_SB055x(hw, info->input, info->mic20db);
-	} else {
-		err = adc_init_SBx(hw, info->input, info->mic20db);
-	}
-
-	return err;
+	if (hw->model == CTSB055X)
+		return adc_init_SB055x(hw, info->input, info->mic20db);
+	else
+		return adc_init_SBx(hw, info->input, info->mic20db);
 }
 
 static int hw_have_digit_io_switch(struct hw *hw)
 {
-	u16 subsys_id;
-
-	pci_read_config_word(hw->pci, PCI_SUBSYSTEM_ID, &subsys_id);
 	/* SB073x and Vista compatible cards have no digit IO switch */
-	return !((subsys_id == 0x0029) || (subsys_id == 0x0031)
-				|| ((subsys_id & 0xf000) == 0x6000));
+	return !(hw->model == CTSB073X || hw->model == CTHENDRIX);
 }
 
 #define CTLBITS(a, b, c, d)	(((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
@@ -1918,7 +1896,6 @@ static int hw_card_start(struct hw *hw)
 {
 	int err;
 	struct pci_dev *pci = hw->pci;
-	u16 subsys_id;
 
 	err = pci_enable_device(pci);
 	if (err < 0)
@@ -1939,8 +1916,7 @@ static int hw_card_start(struct hw *hw)
 		goto error1;
 
 	/* Switch to X-Fi mode from UAA mode if neeeded */
-	pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsys_id);
-	if ((0x5 == pci->device) && (0x6000 == (subsys_id & 0x6000))) {
+	if (hw->model == CTHENDRIX) {
 		err = uaa_to_xfi(pci);
 		if (err)
 			goto error2;
@@ -2004,7 +1980,6 @@ static int hw_card_init(struct hw *hw, struct card_conf *info)
 {
 	int err;
 	unsigned int gctl;
-	u16 subsys_id;
 	u32 data;
 	struct dac_conf dac_info = {0};
 	struct adc_conf adc_info = {0};
@@ -2044,19 +2019,20 @@ static int hw_card_init(struct hw *hw, struct card_conf *info)
 	hw_write_20kx(hw, SRCIP, 0);
 	mdelay(30);
 
-	pci_read_config_word(hw->pci, PCI_SUBSYSTEM_ID, &subsys_id);
 	/* Detect the card ID and configure GPIO accordingly. */
-	if ((subsys_id == 0x0022) || (subsys_id == 0x002F)) {
-		/* SB055x cards */
+	switch (hw->model) {
+	case CTSB055X:
 		hw_write_20kx(hw, GPIOCTL, 0x13fe);
-	} else if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
-		/* SB073x cards */
+		break;
+	case CTSB073X:
 		hw_write_20kx(hw, GPIOCTL, 0x00e6);
-	} else if ((subsys_id & 0xf000) == 0x6000) {
-		/* Vista compatible cards */
+		break;
+	case CTHENDRIX: /* Vista compatible cards */
 		hw_write_20kx(hw, GPIOCTL, 0x00c2);
-	} else {
+		break;
+	default:
 		hw_write_20kx(hw, GPIOCTL, 0x01e6);
+		break;
 	}
 
 	trn_info.vm_pgt_phys = info->vm_pgt_phys;

sound/pci/ctxfi/xfi.c

@@ -15,6 +15,7 @@
 #include <sound/core.h>
 #include <sound/initval.h>
 #include "ctatc.h"
+#include "cthardware.h"
 
 MODULE_AUTHOR("Creative Technology Ltd");
 MODULE_DESCRIPTION("X-Fi driver version 1.03");
@@ -41,8 +42,12 @@ MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");
 
 static struct pci_device_id ct_pci_dev_ids[] = {
 	/* only X-Fi is supported, so... */
-	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1),
+	  .driver_data = ATC20K1,
+	},
+	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2),
+	  .driver_data = ATC20K2,
+	},
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids);
@@ -79,7 +84,8 @@ ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 		       "1 and 2, Value 2 is assumed.\n");
 		multiple = 2;
 	}
-	err = ct_atc_create(card, pci, reference_rate, multiple, &atc);
+	err = ct_atc_create(card, pci, reference_rate, multiple,
+			    pci_id->driver_data, &atc);
 	if (err < 0)
 		goto error;
 
@@ -92,7 +98,8 @@ ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 
 	strcpy(card->driver, "SB-XFi");
 	strcpy(card->shortname, "Creative X-Fi");
-	strcpy(card->longname, "Creative ALSA Driver X-Fi");
+	snprintf(card->longname, sizeof(card->longname), "%s %s %s",
+		 card->shortname, atc->chip_name, atc->model_name);
 
 	err = snd_card_register(card);
 	if (err < 0)