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ACPICA: Add Buffer->String conversion for predefined methods

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For predefined methods (such as _BIF), add automatic conversion for
objects that are required to be a String, but a Buffer was found
instead. This can happen when reading string battery data from
an operation region, because it used to be difficult to convert
the data from buffer to string from within the ASL. Linux BZ 11822.

http://bugzilla.kernel.org/show_bug.cgi?id=11822

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore
2008-11-14 08:44:39 +08:00
committed by Len Brown
parent d037c5fd73
commit a647b5c340
3 changed files with 125 additions and 30 deletions
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include/acpi/acnamesp.h
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@@ -182,7 +182,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
*/
acpi_status
acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
union acpi_operand_object *return_object);
union acpi_operand_object **return_object);
const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct
acpi_namespace_node