i8k: Add support for Dell Precision 490 and Latitude D520

Both systems need non-standard parameters for fan multiplier
and maximum fan speed.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Andreas Mohr <andi@lisas.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index 6a6c085efa69..4e10c4b3c8e3 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -648,11 +648,21 @@ struct i8k_config_data {
 };
 
 enum i8k_configs {
+        DELL_LATITUDE_D520,
+        DELL_PRECISION_490,
         DELL_STUDIO,
         DELL_XPS_M140,
 };
 
 static const struct i8k_config_data i8k_config_data[] = {
+        [DELL_LATITUDE_D520] = {
+                .fan_mult = 1,
+                .fan_max = I8K_FAN_TURBO,
+        },
+        [DELL_PRECISION_490] = {
+                .fan_mult = 1,
+                .fan_max = I8K_FAN_TURBO,
+        },
         [DELL_STUDIO] = {
                 .fan_mult = 1,
                 .fan_max = I8K_FAN_HIGH,
@@ -686,6 +696,14 @@ static struct dmi_system_id i8k_dmi_table[] __initdata = {
                 },
         },
         {
+                .ident = "Dell Latitude D520",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D520"),
+                },
+                .driver_data = (void *)&i8k_config_data[DELL_LATITUDE_D520],
+        },
+        {
                 .ident = "Dell Latitude 2",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
@@ -707,6 +725,15 @@ static struct dmi_system_id i8k_dmi_table[] __initdata = {
                 },
         },
         {
+                .ident = "Dell Precision 490",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME,
+                                  "Precision WorkStation 490"),
+                },
+                .driver_data = (void *)&i8k_config_data[DELL_PRECISION_490],
+        },
+        {
                 .ident = "Dell Precision",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),