X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=sound%2Fpci%2Fhda%2Fhda_intel.c;h=a7cf34965225a2eafb0d664f058c9679857a1f76;hp=6abaa6bbb3d66e659b68f4b9f5c227c561d3a823;hb=305355aad89f1b7eb27cb210fad2f9d3c67b2572;hpb=b1e4422f96a9b4830ffd8119b05211abb830ef4a

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 6abaa6bbb3d6..a7cf34965225 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1470,6 +1470,17 @@ 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;
@@ -1478,13 +1489,6 @@ 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;
 }
 
@@ -2344,9 +2348,19 @@ 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)))