ACPI: EC: Fix ACPI EC resume non-query interrupt message
authorAlmer S. Tigelaar <almer@gnome.org>
Sun, 12 Apr 2009 11:26:29 +0000 (11:26 +0000)
committerLen Brown <len.brown@intel.com>
Fri, 24 Apr 2009 03:56:57 +0000 (23:56 -0400)
commit5aa63f038f042fd1acd6e720a95df72857db0bc7
tree2c6e21ea2d24b6116e4fc8f16c2ad2b8ac378a24
parenta83021a229016f93b4e532d9cef21b01be5a8bb7
ACPI: EC: Fix ACPI EC resume non-query interrupt message

When resuming from standby (on a laptop) I see the following message in
my kernel.log:
"ACPI: EC: non-query interrupt received, switching to interrupt mode"
This apparently prevented sony-laptop to properly restore the brightness
level on resume.

The cause: In drivers/acpi/ec.c the acpi_ec_suspend function clears the
GPE mode bit, but this is not restored in acpi_ec_resume (the function
below it). The patch below fixes this by properly restoring the GPE_MODE
bit. Tested and confirmed to work.

Signed-off-by: Almer S. Tigelaar <almer@gnome.org>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/ec.c