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| author | Shiraz Hashim <shiraz.hashim@st.com> | 2012-07-13 00:11:10 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-07-13 00:13:29 -0700 |
| commit | 53fe628558bab9a11050ba067a09442c92dca6bb (patch) | |
| tree | c8adb4be864e62aa3e2caa6777f543deb4422056 /drivers/input/keyboard/spear-keyboard.c | |
| parent | 9a932145f2d57bad1092ba006dee9065adc5eb39 (diff) | |
| download | talos-op-linux-53fe628558bab9a11050ba067a09442c92dca6bb.tar.gz talos-op-linux-53fe628558bab9a11050ba067a09442c92dca6bb.zip | |
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>
Diffstat (limited to 'drivers/input/keyboard/spear-keyboard.c')
| -rw-r--r-- | drivers/input/keyboard/spear-keyboard.c | 18 |
1 files changed, 10 insertions, 8 deletions
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); |
