pxa27x_keypad.c (4d6ca227c768b50b05cf183974b40abe444e9d0c) pxa27x_keypad.c (117b2dc58c07924da7f545f93a1f5862f46e14f7)
1/*
2 * linux/drivers/input/keyboard/pxa27x_keypad.c
3 *
4 * Driver for the pxa27x matrix keyboard controller.
5 *
6 * Created: Feb 22, 2007
7 * Author: Rodolfo Giometti <giometti@linux.it>
8 *

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639 keypad_writel(KPC, kpc | KPC_RE_ZERO_DEB);
640 keypad_writel(KPREC, DEFAULT_KPREC);
641 keypad_writel(KPKDI, pdata->debounce_interval);
642}
643
644static int pxa27x_keypad_open(struct input_dev *dev)
645{
646 struct pxa27x_keypad *keypad = input_get_drvdata(dev);
1/*
2 * linux/drivers/input/keyboard/pxa27x_keypad.c
3 *
4 * Driver for the pxa27x matrix keyboard controller.
5 *
6 * Created: Feb 22, 2007
7 * Author: Rodolfo Giometti <giometti@linux.it>
8 *

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639 keypad_writel(KPC, kpc | KPC_RE_ZERO_DEB);
640 keypad_writel(KPREC, DEFAULT_KPREC);
641 keypad_writel(KPKDI, pdata->debounce_interval);
642}
643
644static int pxa27x_keypad_open(struct input_dev *dev)
645{
646 struct pxa27x_keypad *keypad = input_get_drvdata(dev);
647
647 int ret;
648 /* Enable unit clock */
648 /* Enable unit clock */
649 clk_prepare_enable(keypad->clk);
649 ret = clk_prepare_enable(keypad->clk);
650 if (ret)
651 return ret;
652
650 pxa27x_keypad_config(keypad);
651
652 return 0;
653}
654
655static void pxa27x_keypad_close(struct input_dev *dev)
656{
657 struct pxa27x_keypad *keypad = input_get_drvdata(dev);

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678 return 0;
679}
680
681static int pxa27x_keypad_resume(struct device *dev)
682{
683 struct platform_device *pdev = to_platform_device(dev);
684 struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
685 struct input_dev *input_dev = keypad->input_dev;
653 pxa27x_keypad_config(keypad);
654
655 return 0;
656}
657
658static void pxa27x_keypad_close(struct input_dev *dev)
659{
660 struct pxa27x_keypad *keypad = input_get_drvdata(dev);

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681 return 0;
682}
683
684static int pxa27x_keypad_resume(struct device *dev)
685{
686 struct platform_device *pdev = to_platform_device(dev);
687 struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
688 struct input_dev *input_dev = keypad->input_dev;
689 int ret = 0;
686
687 /*
688 * If the keypad is used as wake up source, the clock is not turned
689 * off. So do not need configure it again.
690 */
691 if (device_may_wakeup(&pdev->dev)) {
692 disable_irq_wake(keypad->irq);
693 } else {
694 mutex_lock(&input_dev->mutex);
695
696 if (input_dev->users) {
697 /* Enable unit clock */
690
691 /*
692 * If the keypad is used as wake up source, the clock is not turned
693 * off. So do not need configure it again.
694 */
695 if (device_may_wakeup(&pdev->dev)) {
696 disable_irq_wake(keypad->irq);
697 } else {
698 mutex_lock(&input_dev->mutex);
699
700 if (input_dev->users) {
701 /* Enable unit clock */
698 clk_prepare_enable(keypad->clk);
699 pxa27x_keypad_config(keypad);
702 ret = clk_prepare_enable(keypad->clk);
703 if (!ret)
704 pxa27x_keypad_config(keypad);
700 }
701
702 mutex_unlock(&input_dev->mutex);
703 }
704
705 }
706
707 mutex_unlock(&input_dev->mutex);
708 }
709
705 return 0;
710 return ret;
706}
707#endif
708
709static SIMPLE_DEV_PM_OPS(pxa27x_keypad_pm_ops,
710 pxa27x_keypad_suspend, pxa27x_keypad_resume);
711
712
713static int pxa27x_keypad_probe(struct platform_device *pdev)

--- 128 unchanged lines hidden --- 		711}
712#endif
713
714static SIMPLE_DEV_PM_OPS(pxa27x_keypad_pm_ops,
715 pxa27x_keypad_suspend, pxa27x_keypad_resume);
716
717
718static int pxa27x_keypad_probe(struct platform_device *pdev)

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