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| author | Takashi Iwai <tiwai@suse.de> | 2008-03-14 15:52:20 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-04-24 12:00:24 +0200 |
| commit | ee9d6b9a30ae83f15fe8c8d2337ebc0a38151d38 (patch) | |
| tree | 93cfed38dfeaf35a590139ec7999203daf20a3d3 | |
| parent | 3da23cac3d6b93803b8c381a755870cbafcd3212 (diff) | |
| download | op-kernel-dev-ee9d6b9a30ae83f15fe8c8d2337ebc0a38151d38.zip op-kernel-dev-ee9d6b9a30ae83f15fe8c8d2337ebc0a38151d38.tar.gz | |
[ALSA] hda-intel - Fix power-off hang on ASUS P5AD2
The hda-intel driver has a problem at power-off on ASUS P5AD2.
It's caused when the position-buffer is enabled -- most likely a
hardware-specific problem.
This patch adds a quirk to avoid the unnecessary enablement of
position-buffer.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 3d9f0bd6..9a20fb1 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1059,9 +1059,12 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev) azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl.addr)); /* enable the position buffer */ - if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE)) - azx_writel(chip, DPLBASE, - (u32)chip->posbuf.addr |ICH6_DPLBASE_ENABLE); + if (chip->position_fix == POS_FIX_POSBUF || + chip->position_fix == POS_FIX_AUTO) { + if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE)) + azx_writel(chip, DPLBASE, + (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE); + } /* set the interrupt enable bits in the descriptor control register */ azx_sd_writel(azx_dev, SD_CTL, @@ -1707,6 +1710,7 @@ static int azx_dev_free(struct snd_device *device) static struct snd_pci_quirk position_fix_list[] __devinitdata = { SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_NONE), SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_NONE), + SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_NONE), {} }; |
