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ALSA: opti-miro: remove snd_card pointer from snd_miro structure

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Remove the snd_card pointer from the snd_miro structure and
do some small code improvements.

Also, move Opti chipset detection before detection of the
ACI mixer, so the mci_base value is set in one place only.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Krzysztof Helt 2009-11-21 01:01:18 +01:00 committed by Takashi Iwai
parent fbc543915f
commit 616ad593fe
1 changed files with 23 additions and 30 deletions
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53
sound/isa/opti9xx/miro.c
View file

@ -110,7 +110,6 @@ struct snd_miro {
unsigned long pwd_reg;
spinlock_t lock;
struct snd_card *card;
struct snd_pcm *pcm;
long wss_base;
@ -132,8 +131,6 @@ struct snd_miro {
struct mutex aci_mutex;
};
static void snd_miro_proc_init(struct snd_miro * miro);
static char * snd_opti9xx_names[] = {
"unkown",
"82C928", "82C929",
@ -457,11 +454,9 @@ static int snd_miro_put_double(struct snd_kcontrol *kcontrol,
right = ucontrol->value.integer.value[1];
setreg_right = (kcontrol->private_value >> 8) & 0xff;
if (setreg_right == ACI_SET_MASTER) {
setreg_left = setreg_right + 1;
} else {
setreg_left = setreg_right + 8;
}
setreg_left = setreg_right + 8;
if (setreg_right == ACI_SET_MASTER)
setreg_left -= 7;
getreg_right = kcontrol->private_value & 0xff;
getreg_left = getreg_right + 1;
@ -667,17 +662,15 @@ static int __devinit snd_set_aci_init_values(struct snd_miro *miro)
return 0;
}
static int __devinit snd_miro_mixer(struct snd_miro *miro)
static int __devinit snd_miro_mixer(struct snd_card *card,
struct snd_miro *miro)
{
struct snd_card *card;
unsigned int idx;
int err;
if (snd_BUG_ON(!miro || !miro->card))
if (snd_BUG_ON(!miro || !card))
return -EINVAL;
card = miro->card;
switch (miro->hardware) {
case OPTi9XX_HW_82C924:
strcpy(card->mixername, "ACI & OPTi924");
@ -950,11 +943,12 @@ static void snd_miro_proc_read(struct snd_info_entry * entry,
snd_iprintf(buffer, " preamp : 0x%x\n", miro->aci_preamp);
}
static void __devinit snd_miro_proc_init(struct snd_miro * miro)
static void __devinit snd_miro_proc_init(struct snd_card *card,
struct snd_miro *miro)
{
struct snd_info_entry *entry;
if (! snd_card_proc_new(miro->card, "miro", &entry))
if (!snd_card_proc_new(card, "miro", &entry))
snd_info_set_text_ops(entry, miro, snd_miro_proc_read);
}
@ -971,20 +965,18 @@ static int __devinit snd_miro_configure(struct snd_miro *chip)
unsigned char mpu_irq_bits;
unsigned long flags;
snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
switch (chip->hardware) {
case OPTi9XX_HW_82C924:
snd_miro_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
snd_miro_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
break;
case OPTi9XX_HW_82C929:
/* untested init commands for OPTi929 */
snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
snd_miro_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
break;
default:
snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
@ -1156,7 +1148,6 @@ static int __devinit snd_card_miro_aci_detect(struct snd_card *card,
/* get ACI port from OPTi9xx MC 4 */
miro->mc_base = 0xf8c;
regval=inb(miro->mc_base + 4);
miro->aci_port = (regval & 0x10) ? 0x344: 0x354;
@ -1232,7 +1223,13 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
card->private_free = snd_card_miro_free;
miro = card->private_data;
miro->card = card;
error = snd_card_miro_detect(card, miro);
if (error < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
return -ENODEV;
}
if ((error = snd_card_miro_aci_detect(card, miro)) < 0) {
snd_card_free(card);
@ -1241,13 +1238,8 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
}
/* init proc interface */
snd_miro_proc_init(miro);
snd_miro_proc_init(card, miro);
if ((error = snd_card_miro_detect(card, miro)) < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
return -ENODEV;
}
if (! miro->res_mc_base &&
(miro->res_mc_base = request_region(miro->mc_base, miro->mc_base_size,
@ -1341,7 +1333,8 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
miro->pcm = pcm;
if ((error = snd_miro_mixer(miro)) < 0) {
error = snd_miro_mixer(card, miro);
if (error < 0) {
snd_card_free(card);
return error;
}