Platform: x86: chromeos_laptop - Add Taos tsl2563 device

Two legacy Chromebooks, the Cr-48, and the Acer AC700,
are equipped with a Taos tsl2563 light sensor.
This will instantiate the sensor on those laptops.

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

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/platform/x86/chromeos_laptop.c b/drivers/platform/x86/chromeos_laptop.c
index 9293c66d52c1..188b7dac7780 100644
--- a/drivers/platform/x86/chromeos_laptop.c
+++ b/drivers/platform/x86/chromeos_laptop.c
@@ -27,6 +27,7 @@
 
 #define CYAPA_TP_I2C_ADDR       0x67
 #define ISL_ALS_I2C_ADDR        0x44
+#define TAOS_ALS_I2C_ADDR       0x29
 
 static struct i2c_client *als;
 static struct i2c_client *tp;
@@ -49,6 +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 tsl2563_als_device = {
+        I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR),
+};
+
 static struct i2c_client __init *__add_probed_i2c_device(
                 const char *name,
                 int bus,
@@ -159,6 +164,13 @@ static int __init setup_isl29018_als(const struct dmi_system_id *id)
         return 0;
 }
 
+static int __init setup_tsl2563_als(const struct dmi_system_id *id)
+{
+        /* add tsl2563 light sensor on smbus */
+        als = add_smbus_device(NULL, &tsl2563_als_device);
+        return 0;
+}
+
 static struct dmi_system_id __initdata chromeos_laptop_dmi_table[] = {
         {
                 .ident = "Samsung Series 5 550 - Touchpad",
@@ -183,6 +195,20 @@ static struct dmi_system_id __initdata chromeos_laptop_dmi_table[] = {
                 },
                 .callback = setup_cyapa_smbus_tp,
         },
+        {
+                .ident = "Cr-48 - Light Sensor",
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Mario"),
+                },
+                .callback = setup_tsl2563_als,
+        },
+        {
+                .ident = "Acer AC700 - Light Sensor",
+                .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"),
+                },
+                .callback = setup_tsl2563_als,
+        },
         { }
 };
 MODULE_DEVICE_TABLE(dmi, chromeos_laptop_dmi_table);