Platform: x86: chromeos_laptop - Add isl light sensor for Pixel

The Chromebook Pixel uses an isl29023 ambient light sensor on the PANEL
GMBus.

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

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/platform/x86/chromeos_laptop.c b/drivers/platform/x86/chromeos_laptop.c
index 6bde4e4c93b4..04a11cca399d 100644
--- a/drivers/platform/x86/chromeos_laptop.c
+++ b/drivers/platform/x86/chromeos_laptop.c
@@ -238,6 +238,14 @@ static int __init setup_isl29018_als(const struct dmi_system_id *id)
         return 0;
 }
 
+static int __init setup_isl29023_als(const struct dmi_system_id *id)
+{
+        /* add isl29023 light sensor on Panel GMBus */
+        als = add_i2c_device("lightsensor", I2C_ADAPTER_PANEL,
+                             &isl_als_device);
+        return 0;
+}
+
 static int __init setup_tsl2583_als(const struct dmi_system_id *id)
 {
         /* add tsl2583 light sensor on smbus */
@@ -286,6 +294,14 @@ static struct dmi_system_id __initdata chromeos_laptop_dmi_table[] = {
                 .callback = setup_isl29018_als,
         },
         {
+                .ident = "Chromebook Pixel - Light Sensor",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Link"),
+                },
+                .callback = setup_isl29023_als,
+        },
+        {
                 .ident = "Acer C7 Chromebook - Touchpad",
                 .matches = {
                         DMI_MATCH(DMI_PRODUCT_NAME, "Parrot"),