diff options
Diffstat (limited to 'sound/pci/atiixp.c')
| -rw-r--r-- | sound/pci/atiixp.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c index 476c3433073..7d8053b5e8d 100644 --- a/sound/pci/atiixp.c +++ b/sound/pci/atiixp.c @@ -45,6 +45,7 @@ static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ static int ac97_clock = 48000; static char *ac97_quirk; static int spdif_aclink = 1; +static int ac97_codec = -1; module_param(index, int, 0444); MODULE_PARM_DESC(index, "Index value for ATI IXP controller."); @@ -54,6 +55,8 @@ module_param(ac97_clock, int, 0444); MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); module_param(ac97_quirk, charp, 0444); MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); +module_param(ac97_codec, int, 0444); +MODULE_PARM_DESC(ac97_codec, "Specify codec instead of probing."); module_param(spdif_aclink, bool, 0444); MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link."); @@ -293,6 +296,10 @@ static struct pci_device_id snd_atiixp_ids[] = { MODULE_DEVICE_TABLE(pci, snd_atiixp_ids); +static struct snd_pci_quirk atiixp_quirks[] __devinitdata = { + SND_PCI_QUIRK(0x15bd, 0x3100, "DFI RS482", 0), + { } /* terminator */ +}; /* * lowlevel functions @@ -553,11 +560,33 @@ static int snd_atiixp_aclink_down(struct atiixp *chip) ATI_REG_ISR_CODEC2_NOT_READY) #define CODEC_CHECK_BITS (ALL_CODEC_NOT_READY|ATI_REG_ISR_NEW_FRAME) +static int ac97_probing_bugs(struct pci_dev *pci) +{ + const struct snd_pci_quirk *q; + + q = snd_pci_quirk_lookup(pci, atiixp_quirks); + if (q) { + snd_printdd(KERN_INFO "Atiixp quirk for %s. " + "Forcing codec %d\n", q->name, q->value); + return q->value; + } + /* this hardware doesn't need workarounds. Probe for codec */ + return -1; +} + static int snd_atiixp_codec_detect(struct atiixp *chip) { int timeout; chip->codec_not_ready_bits = 0; + if (ac97_codec == -1) + ac97_codec = ac97_probing_bugs(chip->pci); + if (ac97_codec >= 0) { + chip->codec_not_ready_bits |= + CODEC_CHECK_BITS ^ (1 << (ac97_codec + 10)); + return 0; + } + atiixp_write(chip, IER, CODEC_CHECK_BITS); /* wait for the interrupts */ timeout = 50; @@ -1396,7 +1425,7 @@ static int __devinit snd_atiixp_mixer_new(struct atiixp *chip, int clock, ac97.private_data = chip; ac97.pci = chip->pci; ac97.num = i; - ac97.scaps = AC97_SCAP_SKIP_MODEM; + ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; if (! chip->spdif_over_aclink) ac97.scaps |= AC97_SCAP_NO_SPDIF; if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) { |