target/linux/omap24xx/patches-2.6.38/310-n8x0-gpioswitch-input.patch

   1 ---
   2  arch/arm/mach-omap2/board-n8x0.c |   73 +++++++++++++++++++++++++++++++++++++++
   3  1 file changed, 73 insertions(+)
   4
   5 Index: linux-2.6.38-rc6/arch/arm/mach-omap2/board-n8x0.c
   6 ===================================================================
   7 --- linux-2.6.38-rc6.orig/arch/arm/mach-omap2/board-n8x0.c      2011-02-24 12:53:05.134457636 +0100
   8 +++ linux-2.6.38-rc6/arch/arm/mach-omap2/board-n8x0.c   2011-02-24 12:55:54.570320630 +0100
   9 @@ -225,6 +225,77 @@
  10  extern void n8x0_mipid_init(void);
  11  extern void n8x0_blizzard_init(void);
  12
  13 +struct gpio_switch_input_dev {
  14 +       struct input_dev *idev;
  15 +       unsigned int swcode;
  16 +};
  17 +
  18 +static struct gpio_switch_input_dev *slide_input;
  19 +static struct gpio_switch_input_dev *kblock_input;
  20 +
  21 +static void n8x0_gpio_switch_input_notify(struct gpio_switch_input_dev *gdev,
  22 +                                         int state)
  23 +{
  24 +       if (gdev) {
  25 +               input_report_switch(gdev->idev, gdev->swcode, state);
  26 +               input_sync(gdev->idev);
  27 +       }
  28 +}
  29 +
  30 +static void n8x0_slide_notify(void *data, int state)
  31 +{
  32 +       n8x0_gpio_switch_input_notify(slide_input, state);
  33 +}
  34 +
  35 +static void n8x0_kb_lock_notify(void *data, int state)
  36 +{
  37 +       n8x0_gpio_switch_input_notify(kblock_input, state);
  38 +}
  39 +
  40 +static struct gpio_switch_input_dev * __init gpioswitch_input_init(
  41 +                       const char *name,
  42 +                       unsigned int swcode)
  43 +{
  44 +       struct gpio_switch_input_dev *gdev;
  45 +       int err;
  46 +
  47 +       gdev = kzalloc(sizeof(*gdev), GFP_KERNEL);
  48 +       if (!gdev)
  49 +               goto error;
  50 +       gdev->swcode = swcode;
  51 +
  52 +       gdev->idev = input_allocate_device();
  53 +       if (!gdev->idev)
  54 +               goto err_free;
  55 +
  56 +       gdev->idev->evbit[0] = BIT_MASK(EV_SW);
  57 +       gdev->idev->swbit[BIT_WORD(swcode)] = BIT_MASK(swcode);
  58 +       gdev->idev->name = name;
  59 +
  60 +       err = input_register_device(gdev->idev);
  61 +       if (err)
  62 +               goto err_free_idev;
  63 +
  64 +       return gdev;
  65 +
  66 +err_free_idev:
  67 +       input_free_device(gdev->idev);
  68 +err_free:
  69 +       kfree(gdev);
  70 +error:
  71 +       return NULL;
  72 +}
  73 +
  74 +static int __init n8x0_gpio_switches_input_init(void)
  75 +{
  76 +       slide_input = gpioswitch_input_init("slide", SW_KEYPAD_SLIDE);
  77 +       kblock_input = gpioswitch_input_init("kb_lock", SW_LID);
  78 +       if (WARN_ON(!slide_input || !kblock_input))
  79 +               return -ENODEV;
  80 +       return 0;
  81 +}
  82 +late_initcall(n8x0_gpio_switches_input_init);
  83 +
  84  static struct omap_gpio_switch n8x0_gpio_switches[] __initdata = {
  85         {
  86                 .name                   = "headphone",
  87 @@ -246,11 +317,13 @@
  88                 .gpio                   = -1,
  89                 .debounce_rising        = 200,
  90                 .debounce_falling       = 200,
  91 +               .notify                 = n8x0_slide_notify,
  92         }, {
  93                 .name                   = "kb_lock",
  94                 .gpio                   = -1,
  95                 .debounce_rising        = 200,
  96                 .debounce_falling       = 200,
  97 +               .notify                 = n8x0_kb_lock_notify,
  98         },
  99  };
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