This is a note to let you know that I've just added the patch titled
ACPI: EC: Add a quirk for CLEVO M720T/M730T laptop
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
acpi-ec-add-a-quirk-for-clevo-m720t-m730t-laptop.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 67bfa9b60bd689601554526d144b21d529f78a09 Mon Sep 17 00:00:00 2001
From: Feng Tang <[email protected]>
Date: Fri, 28 Sep 2012 15:22:01 +0800
Subject: ACPI: EC: Add a quirk for CLEVO M720T/M730T laptop
From: Feng Tang <[email protected]>
commit 67bfa9b60bd689601554526d144b21d529f78a09 upstream.
By enlarging the GPE storm threshold back to 20, that laptop's
EC works fine with interrupt mode instead of polling mode.
https://bugzilla.kernel.org/show_bug.cgi?id=45151
Reported-and-Tested-by: Francesco <[email protected]>
Signed-off-by: Feng Tang <[email protected]>
Signed-off-by: Len Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/acpi/ec.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -920,6 +920,17 @@ static int ec_flag_msi(const struct dmi_
return 0;
}
+/*
+ * Clevo M720 notebook actually works ok with IRQ mode, if we lifted
+ * the GPE storm threshold back to 20
+ */
+static int ec_enlarge_storm_threshold(const struct dmi_system_id *id)
+{
+ pr_debug("Setting the EC GPE storm threshold to 20\n");
+ ec_storm_threshold = 20;
+ return 0;
+}
+
static struct dmi_system_id __initdata ec_dmi_table[] = {
{
ec_skip_dsdt_scan, "Compal JFL92", {
@@ -951,10 +962,13 @@ static struct dmi_system_id __initdata e
{
ec_validate_ecdt, "ASUS hardware", {
DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc.") }, NULL},
+ {
+ ec_enlarge_storm_threshold, "CLEVO hardware", {
+ DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "M720T/M730T"),}, NULL},
{},
};
-
int __init acpi_ec_ecdt_probe(void)
{
acpi_status status;
Patches currently in stable-queue which might be from [email protected] are
queue-3.0/acpi-ec-make-the-gpe-storm-threshold-a-module-parameter.patch
queue-3.0/acpi-ec-add-a-quirk-for-clevo-m720t-m730t-laptop.patch
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