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sound: oxygen: handle cards with missing EEPROM

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The card model detection code introduced in 2.6.30 that tries to work
around partially broken EEPROM contents by reading the EEPROM directly
does not handle cards where the EEPROM has been omitted.  In this case,
we have to use the default ID to allow the driver to load.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Reported-and-tested-by: Ozan Çağlayan <ozan@pardus.org.tr>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2009-09-02 18:25:39 +02:00 committed by Takashi Iwai
parent b91ab72b83
commit 92653453c3
1 changed files with 3 additions and 0 deletions
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3
sound/pci/oxygen/oxygen_lib.c
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@ -260,6 +260,9 @@ oxygen_search_pci_id(struct oxygen *chip, const struct pci_device_id ids[])
* chip didn't if the first EEPROM word was overwritten.
*/
subdevice = oxygen_read_eeprom(chip, 2);
/* use default ID if EEPROM is missing */
if (subdevice == 0xffff)
subdevice = 0x8788;
/*
* We use only the subsystem device ID for searching because it is
* unique even without the subsystem vendor ID, which may have been