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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:47:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:47:46 -0800
commita421018e8c10e5593a1fee076af72a66c3fe8ca3 (patch)
tree2854511845d0e07d33726a13eda6de1059a5c9df /sound/pci/oxygen/oxygen_lib.c
parent3ad1f3b35e8309ec93454dbf89beaafcdb5312da (diff)
parent86e1d57e4f24ca27ce813bdc2afaac4adafcbaf4 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (294 commits) S3C64XX: Staticise platform data for PCM devices ASoC: Rename controls with a / in wm_hubs snd-fm801: autodetect SF64-PCR (tuner-only) card ALSA: tea575x-tuner: fix mute ASoC: au1x: dbdma2: plug memleak in pcm device creation error path ASoC: au1x: dbdma2: fix oops on soc device removal. ALSA: hda - Fix memory leaks in the previous patch ALSA: hda - Add ALC661/259, ALC892/888VD support ALSA: opti9xx: remove snd_opti9xx fields ALSA: aaci - Clean up duplicate code ALSA: usb - Fix mixer map for Hercules Gamesurround Muse Pocket LT ALSA: hda - Add position_fix quirk for HP dv3 ALSA: hda - Add a pin-fix for FSC Amilo Pi1505 ALSA: hda - Fix Cxt5047 test mode ASoC: pxa/raumfeld: adopt new snd_soc_dai_set_pll() API ASoC: sh: fsi: Add runtime PM support sh: ms7724se: Add runtime PM support for FSI ALSA: hda - Add a position_fix quirk for MSI Wind U115 ALSA: opti-miro: add PnP detection ALSA: opti-miro: separate comon probing code ...
Diffstat (limited to 'sound/pci/oxygen/oxygen_lib.c')
-rw-r--r--sound/pci/oxygen/oxygen_lib.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c
index 9a8936e2074..9c5e6450eeb 100644
--- a/sound/pci/oxygen/oxygen_lib.c
+++ b/sound/pci/oxygen/oxygen_lib.c
@@ -278,7 +278,11 @@ oxygen_search_pci_id(struct oxygen *chip, const struct pci_device_id ids[])
static void oxygen_restore_eeprom(struct oxygen *chip,
const struct pci_device_id *id)
{
- if (oxygen_read_eeprom(chip, 0) != OXYGEN_EEPROM_ID) {
+ u16 eeprom_id;
+
+ eeprom_id = oxygen_read_eeprom(chip, 0);
+ if (eeprom_id != OXYGEN_EEPROM_ID &&
+ (eeprom_id != 0xffff || id->subdevice != 0x8788)) {
/*
* This function gets called only when a known card model has
* been detected, i.e., we know there is a valid subsystem
@@ -303,6 +307,28 @@ static void oxygen_restore_eeprom(struct oxygen *chip,
}
}
+static void pci_bridge_magic(void)
+{
+ struct pci_dev *pci = NULL;
+ u32 tmp;
+
+ for (;;) {
+ /* If there is any Pericom PI7C9X110 PCI-E/PCI bridge ... */
+ pci = pci_get_device(0x12d8, 0xe110, pci);
+ if (!pci)
+ break;
+ /*
+ * ... configure its secondary internal arbiter to park to
+ * the secondary port, instead of to the last master.
+ */
+ if (!pci_read_config_dword(pci, 0x40, &tmp)) {
+ tmp |= 1;
+ pci_write_config_dword(pci, 0x40, tmp);
+ }
+ /* Why? Try asking C-Media. */
+ }
+}
+
static void oxygen_init(struct oxygen *chip)
{
unsigned int i;
@@ -581,6 +607,7 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
snd_card_set_dev(card, &pci->dev);
card->private_free = oxygen_card_free;
+ pci_bridge_magic();
oxygen_init(chip);
chip->model.init(chip);