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authorDavid S. Miller <davem@davemloft.net>2016-10-30 12:42:58 -0400
committerDavid S. Miller <davem@davemloft.net>2016-10-30 12:42:58 -0400
commit27058af401e49d88a905df000dd26f443fcfa8ce (patch)
tree819f32113d3b8374b9fbf72e2202d4c4d4511a60 /drivers/acpi/fan.c
parent357f4aae859b5d74554b0ccbb18556f1df4166c3 (diff)
parent2a26d99b251b8625d27aed14e97fc10707a3a81f (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Mostly simple overlapping changes. For example, David Ahern's adjacency list revamp in 'net-next' conflicted with an adjacency list traversal bug fix in 'net'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/acpi/fan.c')
-rw-r--r--drivers/acpi/fan.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 384cfc3083e1..6cf4988206f2 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -129,8 +129,18 @@ static int fan_get_state_acpi4(struct acpi_device *device, unsigned long *state)
control = obj->package.elements[1].integer.value;
for (i = 0; i < fan->fps_count; i++) {
- if (control == fan->fps[i].control)
+ /*
+ * When Fine Grain Control is set, return the state
+ * corresponding to maximum fan->fps[i].control
+ * value compared to the current speed. Here the
+ * fan->fps[] is sorted array with increasing speed.
+ */
+ if (fan->fif.fine_grain_ctrl && control < fan->fps[i].control) {
+ i = (i > 0) ? i - 1 : 0;
break;
+ } else if (control == fan->fps[i].control) {
+ break;
+ }
}
if (i == fan->fps_count) {
dev_dbg(&device->dev, "Invalid control value returned\n");