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 <[email protected]> --- Changes since V1: * remove discarded irq balancing patch dependency drivers/input/keyboard/spear-keyboard.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c index 45dd02c..aa1259a 100644 --- a/drivers/input/keyboard/spear-keyboard.c +++ b/drivers/input/keyboard/spear-keyboard.c @@ -317,11 +317,12 @@ static int spear_kbd_suspend(struct device *dev) 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); @@ -336,11 +337,12 @@ static int spear_kbd_resume(struct device *dev) 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); -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
