From: Shiraz Hashim Date: Fri, 13 Jul 2012 07:11:10 +0000 (-0700) Subject: Input: spear_keyboard - fix clock handling during suspend/resume X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=53fe628558bab9a11050ba067a09442c92dca6bb;p=linux-beck.git 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 Signed-off-by: Dmitry Torokhov --- diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c index c499387d8735..617a33dc2ef3 100644 --- a/drivers/input/keyboard/spear-keyboard.c +++ b/drivers/input/keyboard/spear-keyboard.c @@ -320,11 +320,12 @@ 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); @@ -339,11 +340,12 @@ 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);