From af96f87703f33a4dba4b51c7b3f0d6f874aa4853 Mon Sep 17 00:00:00 2001
From: Corentin Chary <corentin.chary@gmail.com>
Date: Sun, 6 Feb 2011 13:27:30 +0100
Subject: [PATCH] asus-laptop: let WLED alone on L1400B
Asus took the DSDT from another model (L84F), made some change
to make it work, but forgot to remove WLED method (the laptop
doesn't have a wireless card). They even didn't change the model
name.
ref: https://bugzilla.kernel.org/show_bug.cgi?id=25712
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
drivers/platform/x86/asus-laptop.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 5a6f7d7575d61..2b9d7b8636e36 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -50,6 +50,7 @@
#include <linux/input/sparse-keymap.h>
#include <linux/rfkill.h>
#include <linux/slab.h>
+#include <linux/dmi.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
@@ -1557,6 +1558,20 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
return result;
}
+static void __devinit asus_dmi_check(void)
+{
+ const char *model;
+
+ model = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (!model)
+ return;
+
+ /* On L1400B WLED control the sound card, don't mess with it ... */
+ if (strncmp(model, "L1400B", 6) == 0) {
+ wlan_status = -1;
+ }
+}
+
static bool asus_device_present;
static int __devinit asus_acpi_add(struct acpi_device *device)
@@ -1575,6 +1590,8 @@ static int __devinit asus_acpi_add(struct acpi_device *device)
device->driver_data = asus;
asus->device = device;
+ asus_dmi_check();
+
result = asus_acpi_init(asus);
if (result)
goto fail_platform;
--
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