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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-05-13 00:44:14 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-05-13 00:44:14 +0200
commitff284f37fc0e6f3b51ede85c5944d571b640ac0f (patch)
tree4b0490e7bfae11b74eedfd4a4b89790dc324f71b /drivers/acpi/acpica/utglobal.c
parent030bbdbf4c833bc69f502eae58498bc5572db736 (diff)
downloadop-kernel-dev-ff284f37fc0e6f3b51ede85c5944d571b640ac0f.zip
op-kernel-dev-ff284f37fc0e6f3b51ede85c5944d571b640ac0f.tar.gz
Revert "ACPICA: Permanently set _REV to the value '2'."
Revert commit b1ef29725865 (ACPICA: Permanently set _REV to the value '2'.) as it causes a sound regression to happen on Dell XPS 13 (2015). Reported-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/utglobal.c')
-rw-r--r--drivers/acpi/acpica/utglobal.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index a72685c..5e8df91 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -102,19 +102,12 @@ const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
{"_SB_", ACPI_TYPE_DEVICE, NULL},
{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
{"_TZ_", ACPI_TYPE_DEVICE, NULL},
- /*
- * March, 2015:
- * The _REV object is in the process of being deprecated, because
- * other ACPI implementations permanently return 2. Thus, it
- * has little or no value. Return 2 for compatibility with
- * other ACPI implementations.
- */
- {"_REV", ACPI_TYPE_INTEGER, ACPI_CAST_PTR(char, 2)},
+ {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL},
{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
- {"_GL_", ACPI_TYPE_MUTEX, ACPI_CAST_PTR(char, 1)},
+ {"_GL_", ACPI_TYPE_MUTEX, (char *)1},
#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
- {"_OSI", ACPI_TYPE_METHOD, ACPI_CAST_PTR(char, 1)},
+ {"_OSI", ACPI_TYPE_METHOD, (char *)1},
#endif
/* Table terminator */
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