Platform: x86: chromeos_laptop - Add Taos tsl2583 device

The Samsung Series 5 Chromebook is equipped with  a Taos tsl2583
light sensor. Instatiate it here.

Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

drivers/platform/x86/chromeos_laptop.c

@@ -50,6 +50,10 @@ static struct i2c_board_info __initdata isl_als_device = {
 	I2C_BOARD_INFO("isl29018", ISL_ALS_I2C_ADDR),
 };
 
+static struct i2c_board_info __initdata tsl2583_als_device = {
+	I2C_BOARD_INFO("tsl2583", TAOS_ALS_I2C_ADDR),
+};
+
 static struct i2c_board_info __initdata tsl2563_als_device = {
 	I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR),
 };
@@ -164,6 +168,13 @@ static int __init setup_isl29018_als(const struct dmi_system_id *id)
 	return 0;
 }
 
+static int __init setup_tsl2583_als(const struct dmi_system_id *id)
+{
+	/* add tsl2583 light sensor on smbus */
+	als = add_smbus_device(NULL, &tsl2583_als_device);
+	return 0;
+}
+
 static int __init setup_tsl2563_als(const struct dmi_system_id *id)
 {
 	/* add tsl2563 light sensor on smbus */
@@ -195,6 +206,13 @@ static struct dmi_system_id __initdata chromeos_laptop_dmi_table[] = {
 		},
 		.callback = setup_cyapa_smbus_tp,
 	},
+	{
+		.ident = "Samsung Series 5 - Light Sensor",
+		.matches = {
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alex"),
+		},
+		.callback = setup_tsl2583_als,
+	},
 	{
 		.ident = "Cr-48 - Light Sensor",
 		.matches = {