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: (41 commits)
  ACPICA: hw: Don't carry spinlock over suspend
  ACPICA: hw: remove use_lock flag from acpi_hw_register_{read, write}
  ACPI: cpuidle: port idle timer suspend/resume workaround to cpuidle
  ACPI: clean up acpi_enter_sleep_state_prep
  Hibernation: Make sure that ACPI is enabled in acpi_hibernation_finish
  ACPI: suppress uninitialized var warning
  cpuidle: consolidate 2.6.22 cpuidle branch into one patch
  ACPI: thinkpad-acpi: skip blanks before the data when parsing sysfs
  ACPI: AC: Add sysfs interface
  ACPI: SBS: Add sysfs alarm
  ACPI: SBS: Add ACPI_PROCFS around procfs handling code.
  ACPI: SBS: Add support for power_supply class (and sysfs)
  ACPI: SBS: Make SBS reads table-driven.
  ACPI: SBS: Simplify data structures in SBS
  ACPI: SBS: Split host controller (ACPI0001) from SBS driver (ACPI0002)
  ACPI: EC: Add new query handler to list head.
  ACPI: Add acpi_bus_generate_event4() function
  ACPI: Battery: add sysfs alarm
  ACPI: Battery: Add sysfs support
  ACPI: Battery: Misc clean-ups, no functional changes
  ...

Fix up conflicts in drivers/misc/thinkpad_acpi.[ch] manually

1 files changed, 22 insertions, 8 deletions

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index b8a2095cb5ee..bac956b30c57 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -409,14 +409,17 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device,
 static int
 acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level)
 {
-        int status;
+        int status = AE_OK;
         union acpi_object arg0 = { ACPI_TYPE_INTEGER };
         struct acpi_object_list args = { 1, &arg0 };
 
 
         arg0.integer.value = level;
-        status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL);
 
+        if (device->cap._BCM)
+                status = acpi_evaluate_object(device->dev->handle, "_BCM",
+                                              &args, NULL);
+        device->brightness->curr = level;
         return status;
 }
 
@@ -424,11 +427,11 @@ static int
 acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
                                         unsigned long *level)
 {
-        int status;
-
-        status = acpi_evaluate_integer(device->dev->handle, "_BQC", NULL, level);
-
-        return status;
+        if (device->cap._BQC)
+                return acpi_evaluate_integer(device->dev->handle, "_BQC", NULL,
+                                             level);
+        *level = device->brightness->curr;
+        return AE_OK;
 }
 
 static int
@@ -1633,9 +1636,20 @@ static int
 acpi_video_get_next_level(struct acpi_video_device *device,
                           u32 level_current, u32 event)
 {
-        int min, max, min_above, max_below, i, l;
+        int min, max, min_above, max_below, i, l, delta = 255;
         max = max_below = 0;
         min = min_above = 255;
+        /* Find closest level to level_current */
+        for (i = 0; i < device->brightness->count; i++) {
+                l = device->brightness->levels[i];
+                if (abs(l - level_current) < abs(delta)) {
+                        delta = l - level_current;
+                        if (!delta)
+                                break;
+                }
+        }
+        /* Ajust level_current to closest available level */
+        level_current += delta;
         for (i = 0; i < device->brightness->count; i++) {
                 l = device->brightness->levels[i];
                 if (l < min)