Input: spear_keyboard - fix clock handling during suspend/resume
SPEAr keyboard should normally disable clock during suspend and enable it
during resume.
For cases where it is expected to act as a wakeup source the clock can
remain in the same state i.e. kept enabled if it is being used.
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index c499387..617a33d 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -320,11 +320,12 @@
mutex_lock(&input_dev->mutex);
- if (input_dev->users)
- clk_enable(kbd->clk);
-
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(&pdev->dev)) {
enable_irq_wake(kbd->irq);
+ } else {
+ if (input_dev->users)
+ clk_disable(kbd->clk);
+ }
mutex_unlock(&input_dev->mutex);
@@ -339,11 +340,12 @@
mutex_lock(&input_dev->mutex);
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(&pdev->dev)) {
disable_irq_wake(kbd->irq);
-
- if (input_dev->users)
- clk_enable(kbd->clk);
+ } else {
+ if (input_dev->users)
+ clk_enable(kbd->clk);
+ }
mutex_unlock(&input_dev->mutex);