Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (112 commits)
  ACPI: fix build warning
  Revert "cpuidle: build fix for non-x86"
  ACPI: update intrd DSDT override console messages
  ACPI: update DSDT override documentation
  ACPI: Add "acpi_no_initrd_override" kernel parameter
  ACPI: its a directory not a folder....
  ACPI: misc cleanups
  ACPI: add missing prink prefix strings
  ACPI: cleanup acpi.h
  ACPICA: fix CONFIG_ACPI_DEBUG_FUNC_TRACE build
  ACPI: video: Ignore ACPI video devices that aren't present in hardware
  ACPI: video: reset brightness on resume
  ACPI: video: call ACPI notifier chain for ACPI video notifications
  ACPI: create notifier chain to get hotkey events to graphics driver
  ACPI: video: delete unused display switch on hotkey event code
  ACPI: video: create "brightness_switch_enabled" modparam
  cpuidle: Add a poll_idle method
  ACPI: cpuidle: Support C1 idle time accounting
  ACPI: enable MWAIT for C1 idle
  ACPI: idle: Fix acpi_safe_halt usages and interrupt enabling/disabling
  ...

1 files changed, 16 insertions, 10 deletions

diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index 3a36a294e91b..7c6dfd03de9f 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -254,7 +254,7 @@ ASUS_LED(gled, "gaming");
  * method is searched within the scope of the handle, can be NULL. The output
  * of the method is written is output, which can also be NULL
  *
- * returns 1 if write is successful, 0 else.
+ * returns 0 if write is successful, -1 else.
  */
 static int write_acpi_int(acpi_handle handle, const char *method, int val,
                           struct acpi_buffer *output)
@@ -263,13 +263,19 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
         union acpi_object in_obj;       //the only param we use
         acpi_status status;
 
+        if (!handle)
+                return 0;
+
         params.count = 1;
         params.pointer = &in_obj;
         in_obj.type = ACPI_TYPE_INTEGER;
         in_obj.integer.value = val;
 
         status = acpi_evaluate_object(handle, (char *)method, &params, output);
-        return (status == AE_OK);
+        if (status == AE_OK)
+                return 0;
+        else
+                return -1;
 }
 
 static int read_wireless_status(int mask)
@@ -321,7 +327,7 @@ static void write_status(acpi_handle handle, int out, int mask)
 
         switch (mask) {
         case MLED_ON:
-                out = !out & 0x1;
+                out = !(out & 0x1);
                 break;
         case GLED_ON:
                 out = (out & 0x1) + 1;
@@ -335,7 +341,7 @@ static void write_status(acpi_handle handle, int out, int mask)
                 break;
         }
 
-        if (handle && !write_acpi_int(handle, NULL, out, NULL))
+        if (write_acpi_int(handle, NULL, out, NULL))
                 printk(ASUS_WARNING " write failed %x\n", mask);
 }
 
@@ -415,7 +421,7 @@ static int set_brightness(struct backlight_device *bd, int value)
         value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
         /* 0 <= value <= 15 */
 
-        if (!write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
+        if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
                 printk(ASUS_WARNING "Error changing brightness\n");
                 ret = -EIO;
         }
@@ -545,7 +551,7 @@ static ssize_t store_ledd(struct device *dev, struct device_attribute *attr,
 
         rv = parse_arg(buf, count, &value);
         if (rv > 0) {
-                if (!write_acpi_int(ledd_set_handle, NULL, value, NULL))
+                if (write_acpi_int(ledd_set_handle, NULL, value, NULL))
                         printk(ASUS_WARNING "LED display write failed\n");
                 else
                         hotk->ledd_status = (u32) value;
@@ -590,7 +596,7 @@ static ssize_t store_bluetooth(struct device *dev,
 static void set_display(int value)
 {
         /* no sanity check needed for now */
-        if (!write_acpi_int(display_set_handle, NULL, value, NULL))
+        if (write_acpi_int(display_set_handle, NULL, value, NULL))
                 printk(ASUS_WARNING "Error setting display\n");
         return;
 }
@@ -647,7 +653,7 @@ static ssize_t store_disp(struct device *dev, struct device_attribute *attr,
  */
 static void set_light_sens_switch(int value)
 {
-        if (!write_acpi_int(ls_switch_handle, NULL, value, NULL))
+        if (write_acpi_int(ls_switch_handle, NULL, value, NULL))
                 printk(ASUS_WARNING "Error setting light sensor switch\n");
         hotk->light_switch = value;
 }
@@ -672,7 +678,7 @@ static ssize_t store_lssw(struct device *dev, struct device_attribute *attr,
 
 static void set_light_sens_level(int value)
 {
-        if (!write_acpi_int(ls_level_handle, NULL, value, NULL))
+        if (write_acpi_int(ls_level_handle, NULL, value, NULL))
                 printk(ASUS_WARNING "Error setting light sensor level\n");
         hotk->light_level = value;
 }
@@ -860,7 +866,7 @@ static int asus_hotk_get_info(void)
                 printk(ASUS_WARNING "Couldn't get the DSDT table header\n");
 
         /* We have to write 0 on init this far for all ASUS models */
-        if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
+        if (write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
                 printk(ASUS_ERR "Hotkey initialization failed\n");
                 return -ENODEV;
         }