aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/hda/hda_intel.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c34
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)))