Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=14134b31ae646220a5a451e38aae1dd023d457cb
Commit: 14134b31ae646220a5a451e38aae1dd023d457cb
Parent: e15b02138b89d7bc053817e6f7601e92e29d371c
Author: Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Wed Sep 26 00:01:25 2007 -0400
Committer: Dmitry Torokhov <[EMAIL PROTECTED]>
CommitDate: Wed Sep 26 00:01:25 2007 -0400
Input: polled device power saving
For slow running polling, it saves power to align wakeups on tick boundary.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
Signed-off-by: Dmitry Torokhov <[EMAIL PROTECTED]>
---
drivers/input/input-polldev.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/input/input-polldev.c b/drivers/input/input-polldev.c
index b773d4c..92b3598 100644
--- a/drivers/input/input-polldev.c
+++ b/drivers/input/input-polldev.c
@@ -70,6 +70,7 @@ static int input_open_polled_device(struct input_dev *input)
{
struct input_polled_dev *dev = input->private;
int error;
+ unsigned long ticks;
error = input_polldev_start_workqueue();
if (error)
@@ -78,8 +79,10 @@ static int input_open_polled_device(struct input_dev *input)
if (dev->flush)
dev->flush(dev);
- queue_delayed_work(polldev_wq, &dev->work,
- msecs_to_jiffies(dev->poll_interval));
+ ticks = msecs_to_jiffies(dev->poll_interval);
+ if (ticks >= HZ)
+ ticks = round_jiffies(ticks);
+ queue_delayed_work(polldev_wq, &dev->work, ticks);
return 0;
}
-
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