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[ALSA] fm801: fixed broken previous patch for the FM tuner only code 

- do not allocate and enable interrupt
- do not do the FM tuner mute (it should be handled more cleanly)

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Jaroslav Kysela 2006-07-04 13:39:55 +02:00
parent e0a5d82a96
commit 6bbe13ecbb
1 changed files with 19 additions and 13 deletions
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32
sound/pci/fm801.c
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@ -160,6 +160,7 @@ struct fm801 {
unsigned int multichannel: 1, /* multichannel support */
secondary: 1; /* secondary codec */
unsigned char secondary_addr; /* address of the secondary codec */
unsigned int tea575x_tuner; /* tuner flags */
unsigned short ply_ctrl; /* playback control */
unsigned short cap_ctrl; /* capture control */
@ -1255,7 +1256,7 @@ static int snd_fm801_chip_init(struct fm801 *chip, int resume)
int id;
unsigned short cmdw;
if (tea575x_tuner & 0x0010)
if (chip->tea575x_tuner & 0x0010)
goto __ac97_ok;
/* codec cold reset + AC'97 warm reset */
@ -1295,6 +1296,8 @@ static int snd_fm801_chip_init(struct fm801 *chip, int resume)
wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750));
}
__ac97_ok:
/* init volume */
outw(0x0808, FM801_REG(chip, PCM_VOL));
outw(0x9f1f, FM801_REG(chip, FM_VOL));
@ -1303,9 +1306,12 @@ static int snd_fm801_chip_init(struct fm801 *chip, int resume)
/* I2S control - I2S mode */
outw(0x0003, FM801_REG(chip, I2S_MODE));
/* interrupt setup - unmask MPU, PLAYBACK & CAPTURE */
/* interrupt setup */
cmdw = inw(FM801_REG(chip, IRQ_MASK));
cmdw &= ~0x0083;
if (chip->irq < 0)
cmdw |= 0x00c3; /* mask everything, no PCM nor MPU */
else
cmdw &= ~0x0083; /* unmask MPU, PLAYBACK & CAPTURE */
outw(cmdw, FM801_REG(chip, IRQ_MASK));
/* interrupt clear */
@ -1370,20 +1376,23 @@ static int __devinit snd_fm801_create(struct snd_card *card,
chip->card = card;
chip->pci = pci;
chip->irq = -1;
chip->tea575x_tuner = tea575x_tuner;
if ((err = pci_request_regions(pci, "FM801")) < 0) {
kfree(chip);
pci_disable_device(pci);
return err;
}
chip->port = pci_resource_start(pci, 0);
if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_DISABLED|IRQF_SHARED,
"FM801", chip)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
snd_fm801_free(chip);
return -EBUSY;
if ((tea575x_tuner & 0x0010) == 0) {
if (request_irq(pci->irq, snd_fm801_interrupt, IRQF_DISABLED|IRQF_SHARED,
"FM801", chip)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", chip->irq);
snd_fm801_free(chip);
return -EBUSY;
}
chip->irq = pci->irq;
pci_set_master(pci);
}
chip->irq = pci->irq;
pci_set_master(pci);
pci_read_config_byte(pci, PCI_REVISION_ID, &rev);
if (rev >= 0xb1) /* FM801-AU */
@ -1406,9 +1415,6 @@ static int __devinit snd_fm801_create(struct snd_card *card,
chip->tea.private_data = chip;
chip->tea.ops = &snd_fm801_tea_ops[(tea575x_tuner & 0x000f) - 1];
snd_tea575x_init(&chip->tea);
/* Mute FM tuner */
outw(0xf800, FM801_REG(chip, GPIO_CTRL));
}
#endif