dell-laptop: Blacklist machines not supporting dell-laptop

The Mini family doesn't support smbios 17,11 although it reports it does.

Signed-off-by: Mario Limonciello <superm1@ubuntu.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 81213e815400..d8b1b39aa9db 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -83,6 +83,46 @@ static const struct dmi_system_id __initdata dell_device_table[] = {
         { }
 };
 
+static struct dmi_system_id __devinitdata dell_blacklist[] = {
+        /* Supported by compal-laptop */
+        {
+                .ident = "Dell Mini 9",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 910"),
+                },
+        },
+        {
+                .ident = "Dell Mini 10",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1010"),
+                },
+        },
+        {
+                .ident = "Dell Mini 10v",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1011"),
+                },
+        },
+        {
+                .ident = "Dell Inspiron 11z",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1110"),
+                },
+        },
+        {
+                .ident = "Dell Mini 12",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1210"),
+                },
+        },
+        {}
+};
+
 static void __init parse_da_table(const struct dmi_header *dm)
 {
         /* Final token is a terminator, so we don't want to copy it */
@@ -237,6 +277,12 @@ static int __init dell_setup_rfkill(void)
         int status;
         int ret;
 
+        if (dmi_check_system(dell_blacklist)) {
+                printk(KERN_INFO "dell-laptop: Blacklisted hardware detected - "
+                                "not enabling rfkill\n");
+                return 0;
+        }
+
         memset(&buffer, 0, sizeof(struct calling_interface_buffer));
         dell_send_request(&buffer, 17, 11);
         status = buffer.output[1];