diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 1877d95d4aa..77c1b840ca8 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1455,6 +1455,17 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) return err; } snd_pcm_limit_hw_rates(runtime); + /* sanity check */ + if (snd_BUG_ON(!runtime->hw.channels_min) || + snd_BUG_ON(!runtime->hw.channels_max) || + snd_BUG_ON(!runtime->hw.formats) || + snd_BUG_ON(!runtime->hw.rates)) { + azx_release_device(azx_dev); + hinfo->ops.close(hinfo, apcm->codec, substream); + snd_hda_power_down(apcm->codec); + mutex_unlock(&chip->open_mutex); + return -EINVAL; + } spin_lock_irqsave(&chip->reg_lock, flags); azx_dev->substream = substream; azx_dev->running = 0; @@ -1463,13 +1474,6 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) runtime->private_data = azx_dev; snd_pcm_set_sync(substream); mutex_unlock(&chip->open_mutex); - - if (snd_BUG_ON(!runtime->hw.channels_min || !runtime->hw.channels_max)) - return -EINVAL; - if (snd_BUG_ON(!runtime->hw.formats)) - return -EINVAL; - if (snd_BUG_ON(!runtime->hw.rates)) - return -EINVAL; return 0; } @@ -2329,9 +2333,19 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, gcap = azx_readw(chip, GCAP); snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap); - /* ATI chips seems buggy about 64bit DMA addresses */ - if (chip->driver_type == AZX_DRIVER_ATI) - gcap &= ~ICH6_GCAP_64OK; + /* disable SB600 64bit support for safety */ + if ((chip->driver_type == AZX_DRIVER_ATI) || + (chip->driver_type == AZX_DRIVER_ATIHDMI)) { + struct pci_dev *p_smbus; + p_smbus = pci_get_device(PCI_VENDOR_ID_ATI, + PCI_DEVICE_ID_ATI_SBX00_SMBUS, + NULL); + if (p_smbus) { + if (p_smbus->revision < 0x30) + gcap &= ~ICH6_GCAP_64OK; + pci_dev_put(p_smbus); + } + } /* allow 64bit DMA address if supported by H/W */ if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64))) |