From 222584647f2821c4d68421c1d07c89b375d501b2 Mon Sep 17 00:00:00 2001
From: Adam Lee <adam.lee@canonical.com>
Date: Mon, 27 Oct 2014 13:55:45 +0800
Subject: [PATCH] ACPI / blacklist: blacklist Win8 OSI for Dell Vostro 3546

The wireless hotkey of Dell Vostro 3546 does not work with Win8 OSI. Due
to insufficient documentation for the driver implementation, blacklist
it as a workaround.

Signed-off-by: Adam Lee <adam.lee@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/acpi/blacklist.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index ed122e17636e..7556e7c4a055 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -290,6 +290,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 		    DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),
 		},
 	},
+	{
+	.callback = dmi_disable_osi_win8,
+	.ident = "Dell Vostro 3546",
+	.matches = {
+		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		    DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),
+		},
+	},
 
 	/*
 	 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.