Pandora Sourcecodes - openembedded.git/blob

   1 From df0801d2cd6a7081700c79f437d1185cbe1960a7 Mon Sep 17 00:00:00 2001
   2 From: Dmitry Baryshkov <dbaryshkov@gmail.com>
   3 Date: Wed, 9 Jan 2008 02:08:18 +0300
   4 Subject: [PATCH 28/64] Add suspend/resume/wakeup support for pda_power.
   5  Now with device_init_wakeup.
   6
   7 Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
   8 ---
   9  drivers/power/pda_power.c |   34 ++++++++++++++++++++++++++++++++++
  10  1 files changed, 34 insertions(+), 0 deletions(-)
  11
  12 diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
  13 index d98622f..28360e8 100644
  14 --- a/drivers/power/pda_power.c
  15 +++ b/drivers/power/pda_power.c
  16 @@ -207,6 +207,8 @@ static int pda_power_probe(struct platform_device *pdev)
  17                 }
  18         }
  19
  20 +       device_init_wakeup(&pdev->dev, 1);
  21 +
  22         return 0;
  23
  24  usb_irq_failed:
  25 @@ -239,12 +241,44 @@ static int pda_power_remove(struct platform_device *pdev)
  26         return 0;
  27  }
  28
  29 +#ifdef CONFIG_PM
  30 +static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
  31 +{
  32 +       if (device_may_wakeup(&pdev->dev)) {
  33 +               if (ac_irq)
  34 +                       enable_irq_wake(ac_irq->start);
  35 +               if (usb_irq)
  36 +                       enable_irq_wake(usb_irq->start);
  37 +       }
  38 +
  39 +       return 0;
  40 +}
  41 +
  42 +static int pda_power_resume(struct platform_device *pdev)
  43 +{
  44 +       if (device_may_wakeup(&pdev->dev)) {
  45 +               if (usb_irq)
  46 +                       disable_irq_wake(usb_irq->start);
  47 +               if (ac_irq)
  48 +                       disable_irq_wake(ac_irq->start);
  49 +       }
  50 +
  51 +       return 0;
  52 +}
  53 +#else
  54 +#define pda_power_suspend      NULL
  55 +#define pda_power_resume       NULL
  56 +#endif
  57 +
  58 +
  59  static struct platform_driver pda_power_pdrv = {
  60         .driver = {
  61                 .name = "pda-power",
  62         },
  63         .probe = pda_power_probe,
  64         .remove = pda_power_remove,
  65 +       .suspend = pda_power_suspend,
  66 +       .resume = pda_power_resume,
  67  };
  68
  69  static int __init pda_power_init(void)
  70 --
  71 1.5.3.8
  72