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authorDave Lambley <linux@davel.me.uk>2016-11-04 01:05:40 +0000
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-11-16 23:09:45 +0100
commit2d09af4a88d99a8dd0429263451b7b88e6d92738 (patch)
treeabaee425ecd9e7dfc0611c8754c5c6419b943268 /fs/filesystems.c
parenta25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff)
ACPI / battery: If _BIX fails, retry with _BIF
The Lenovo Yoga 300 laptop's firmware advertises that it provides the _BIX the method to retrieve battery information. Unfortunately (some versions of?) the implementation return with an error. [ 21.712228] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000010) is beyond end of object (length 0xD) (20160422/exoparg2-427) [ 21.712244] ACPI Error: Method parse/execution failed [\_SB.PCI0.LPCB.H_EC.BAT1._BIX] (Node ffff95f8ff0b20f0), AE_AML_PACKAGE_LIMIT (20160422/psparse-542) The _BIF method does succeed and returns convincing data. We detect _BIX failing and automatically retry with _BIF. Signed-off-by: Dave Lambley <linux@davel.me.uk> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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