tree 39054cfaf058a369f2b75bd89265e83522c02b49
parent d4ab025b73a2d10548e17765eb76f3b7351dc611
author Luming Yu <[EMAIL PROTECTED]> Fri, 12 Aug 2005 08:31:00 -0400
committer Len Brown <[EMAIL PROTECTED]> Mon, 15 Aug 2005 23:46:58 -0400

[ACPI] re-enable platform-specific hotkey drivers by default

When both platform-specific and generic drivers exist,
enable generic over-ride with "acpi_generic_hotkey".

http://bugzilla.kernel.org/show_bug.cgi?id=4953

Signed-off-by: Luming Yu <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>

 Documentation/acpi-hotkey.txt       |    3 +++
 Documentation/kernel-parameters.txt |    5 +++++
 drivers/acpi/osl.c                  |    6 +++---
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/Documentation/acpi-hotkey.txt b/Documentation/acpi-hotkey.txt
--- a/Documentation/acpi-hotkey.txt
+++ b/Documentation/acpi-hotkey.txt
@@ -33,3 +33,6 @@ The result of the execution of this aml 
 attached to /proc/acpi/hotkey/poll_method, which is dnyamically
 created.  Please use command "cat /proc/acpi/hotkey/polling_method" 
 to retrieve it.
+
+Note: Use cmdline "acpi_generic_hotkey" to over-ride
+loading any platform specific drivers.
diff --git a/Documentation/kernel-parameters.txt 
b/Documentation/kernel-parameters.txt
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -159,6 +159,11 @@ running once the system is up.
 
        acpi_fake_ecdt  [HW,ACPI] Workaround failure due to BIOS lacking ECDT
 
+       acpi_generic_hotkey [HW,ACPI]
+                       Allow consolidated generic hotkey driver to
+                       over-ride platform specific driver.
+                       See also Documentation/acpi-hotkey.txt.
+
        ad1816=         [HW,OSS]
                        Format: <io>,<irq>,<dma>,<dma2>
                        See also Documentation/sound/oss/AD1816.
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -71,7 +71,7 @@ EXPORT_SYMBOL(acpi_in_debugger);
 extern char line_buf[80];
 #endif /*ENABLE_DEBUGGER*/
 
-int acpi_specific_hotkey_enabled;
+int acpi_specific_hotkey_enabled = TRUE;
 EXPORT_SYMBOL(acpi_specific_hotkey_enabled);
 
 static unsigned int acpi_irq_irq;
@@ -1158,11 +1158,11 @@ __setup("acpi_wake_gpes_always_on", acpi
 int __init
 acpi_hotkey_setup(char *str)
 {
-       acpi_specific_hotkey_enabled = TRUE;
+       acpi_specific_hotkey_enabled = FALSE;
        return 1;
 }
 
-__setup("acpi_specific_hotkey", acpi_hotkey_setup);
+__setup("acpi_generic_hotkey", acpi_hotkey_setup);
 
 /*
  * max_cstate is defined in the base kernel so modules can
-
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