1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index dca47a591baf..e30186236588 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -590,6 +590,11 @@ static ssize_t applesmc_light_show(struct device *dev,
         }
 
         ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length);
+        /* newer macbooks report a single 10-bit bigendian value */
+        if (data_length == 10) {
+                left = be16_to_cpu(*(__be16 *)(buffer + 6)) >> 2;
+                goto out;
+        }
         left = buffer[2];
         if (ret)
                 goto out;