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input: sh_keysc: use enable/disable_irq_wake()
Modify the sh_keysc driver to use enable/disable_irq_wake() during suspend and resume. These functions are used to enable the sh_keysc interrupt in the interrupt controller so the keypad can be used to wakeup the system from suspend. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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parent
2dcec7a988
commit
4ba50df685
1 changed files with 16 additions and 1 deletions
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@ -259,12 +259,15 @@ static int sh_keysc_suspend(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct sh_keysc_priv *priv = platform_get_drvdata(pdev);
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int irq = platform_get_irq(pdev, 0);
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unsigned short value;
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value = ioread16(priv->iomem_base + KYCR1_OFFS);
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if (device_may_wakeup(dev))
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if (device_may_wakeup(dev)) {
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value |= 0x80;
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enable_irq_wake(irq);
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}
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else
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value &= ~0x80;
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@ -272,8 +275,20 @@ static int sh_keysc_suspend(struct device *dev)
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return 0;
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}
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static int sh_keysc_resume(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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int irq = platform_get_irq(pdev, 0);
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if (device_may_wakeup(dev))
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disable_irq_wake(irq);
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return 0;
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}
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static struct dev_pm_ops sh_keysc_dev_pm_ops = {
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.suspend = sh_keysc_suspend,
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.resume = sh_keysc_resume,
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};
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struct platform_driver sh_keysc_device_driver = {
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