Commit 1b7fc5aae8867046f8d3d45808309d5b7f2e036a causes my Thinkpad T21
to no longer generate any hotkey events (e.g. suspend fn-f4, switch-output
fn-f7, etc.) after resume.
It's regression from 2.6.25. 2.6.26 and 2.6.27-rc7 are broken,
reverting that commit on 2.6.27-rc7 makes keys work again.
Thanks.
[Rafael added for regression tracking ;]
commit 1b7fc5aae8867046f8d3d45808309d5b7f2e036a
Author: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Fri Jun 6 11:49:33 2008 -0400
ACPI: EC: Use msleep instead of udelay while waiting for event.
http://bugzilla.kernel.org/show_bug.cgi?id=10724
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 0924992..5622aee 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -194,7 +194,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
while (time_before(jiffies, delay)) {
if (acpi_ec_check_status(ec, event))
return 0;
- udelay(ACPI_EC_UDELAY);
+ msleep(1);
}
}
pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n",
--