1 files changed, 17 insertions, 31 deletions

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b6598aa557a0..87a5fd51dd5e 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -162,6 +162,10 @@ static const char *temperature_sensors_sets[][41] = {
 /* Set 22: MacBook Pro 7,1 */
         { "TB0T", "TB1T", "TB2T", "TC0D", "TC0P", "TN0D", "TN0P", "TN0S",
           "TN1D", "TN1F", "TN1G", "TN1S", "Th1H", "Ts0P", "Ts0S", NULL },
+/* Set 23: MacBook Air 3,1 */
+        { "TB0T", "TB1T", "TB2T", "TC0D", "TC0E", "TC0P", "TC1E", "TCZ3",
+          "TCZ4", "TCZ5", "TG0E", "TG1E", "TG2E", "TGZ3", "TGZ4", "TGZ5",
+          "TH0F", "TH0O", "TM0P" },
 };
 
 /* List of keys used to read/write fan speeds */
@@ -444,38 +448,22 @@ static int applesmc_read_motion_sensor(int index, s16* value)
 }
 
 /*
- * applesmc_device_init - initialize the accelerometer.  Returns zero on success
- * and negative error code on failure.  Can sleep.
+ * applesmc_device_init - initialize the accelerometer.  Can sleep.
  */
-static int applesmc_device_init(void)
+static void applesmc_device_init(void)
 {
-        int total, ret = -ENXIO;
+        int total;
         u8 buffer[2];
 
         if (!applesmc_accelerometer)
-                return 0;
+                return;
 
         mutex_lock(&applesmc_lock);
 
         for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) {
-                if (debug)
-                        printk(KERN_DEBUG "applesmc try %d\n", total);
                 if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) &&
-                                (buffer[0] != 0x00 || buffer[1] != 0x00)) {
-                        if (total == INIT_TIMEOUT_MSECS) {
-                                printk(KERN_DEBUG "applesmc: device has"
-                                                " already been initialized"
-                                                " (0x%02x, 0x%02x).\n",
-                                                buffer[0], buffer[1]);
-                        } else {
-                                printk(KERN_DEBUG "applesmc: device"
-                                                " successfully initialized"
-                                                " (0x%02x, 0x%02x).\n",
-                                                buffer[0], buffer[1]);
-                        }
-                        ret = 0;
+                                (buffer[0] != 0x00 || buffer[1] != 0x00))
                         goto out;
-                }
                 buffer[0] = 0xe0;
                 buffer[1] = 0x00;
                 applesmc_write_key(MOTION_SENSOR_KEY, buffer, 2);
@@ -486,7 +474,6 @@ static int applesmc_device_init(void)
 
 out:
         mutex_unlock(&applesmc_lock);
-        return ret;
 }
 
 /*
@@ -512,13 +499,8 @@ static int applesmc_get_fan_count(void)
 /* Device model stuff */
 static int applesmc_probe(struct platform_device *dev)
 {
-        int ret;
-
-        ret = applesmc_device_init();
-        if (ret)
-                return ret;
+        applesmc_device_init();
 
-        printk(KERN_INFO "applesmc: device successfully initialized.\n");
         return 0;
 }
 
@@ -535,9 +517,7 @@ static int applesmc_pm_resume(struct device *dev)
 /* Reinitialize device on resume from hibernation */
 static int applesmc_pm_restore(struct device *dev)
 {
-        int ret = applesmc_device_init();
-        if (ret)
-                return ret;
+        applesmc_device_init();
         return applesmc_pm_resume(dev);
 }
 
@@ -1524,11 +1504,17 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
         { .accelerometer = 1, .light = 1, .temperature_set = 21 },
 /* MacBook Pro 7,1: accelerometer, backlight and temperature set 22 */
         { .accelerometer = 1, .light = 1, .temperature_set = 22 },
+/* MacBook Air 3,1: accelerometer, backlight and temperature set 23 */
+        { .accelerometer = 0, .light = 0, .temperature_set = 23 },
 };
 
 /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
  * So we need to put "Apple MacBook Pro" before "Apple MacBook". */
 static __initdata struct dmi_system_id applesmc_whitelist[] = {
+        { applesmc_dmi_match, "Apple MacBook Air 3", {
+          DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+          DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir3") },
+                &applesmc_dmi_data[23]},
         { applesmc_dmi_match, "Apple MacBook Air 2", {
           DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
           DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir2") },