target/linux/omap24xx/patches-2.6.36/310-n8x0-gpioswitch-input.patch

   1 ---
   2  arch/arm/mach-omap2/board-n8x0.c |   73 +++++++++++++++++++++++++++++++++++++++
   3  1 file changed, 73 insertions(+)
   4
   5 --- linux-2.6.36-rc5.orig/arch/arm/mach-omap2/board-n8x0.c
   6 +++ linux-2.6.36-rc5/arch/arm/mach-omap2/board-n8x0.c
   7 @@ -796,6 +796,77 @@ extern void n8x0_blizzard_init(void);
   8
   9  extern void n8x0_usb_init(void);
  10
  11 +struct gpio_switch_input_dev {
  12 +       struct input_dev *idev;
  13 +       unsigned int swcode;
  14 +};
  15 +
  16 +static struct gpio_switch_input_dev *slide_input;
  17 +static struct gpio_switch_input_dev *kblock_input;
  18 +
  19 +static void n8x0_gpio_switch_input_notify(struct gpio_switch_input_dev *gdev,
  20 +                                         int state)
  21 +{
  22 +       if (gdev) {
  23 +               input_report_switch(gdev->idev, gdev->swcode, state);
  24 +               input_sync(gdev->idev);
  25 +       }
  26 +}
  27 +
  28 +static void n8x0_slide_notify(void *data, int state)
  29 +{
  30 +       n8x0_gpio_switch_input_notify(slide_input, state);
  31 +}
  32 +
  33 +static void n8x0_kb_lock_notify(void *data, int state)
  34 +{
  35 +       n8x0_gpio_switch_input_notify(kblock_input, state);
  36 +}
  37 +
  38 +static struct gpio_switch_input_dev * __init gpioswitch_input_init(
  39 +                       const char *name,
  40 +                       unsigned int swcode)
  41 +{
  42 +       struct gpio_switch_input_dev *gdev;
  43 +       int err;
  44 +
  45 +       gdev = kzalloc(sizeof(*gdev), GFP_KERNEL);
  46 +       if (!gdev)
  47 +               goto error;
  48 +       gdev->swcode = swcode;
  49 +
  50 +       gdev->idev = input_allocate_device();
  51 +       if (!gdev->idev)
  52 +               goto err_free;
  53 +
  54 +       gdev->idev->evbit[0] = BIT_MASK(EV_SW);
  55 +       gdev->idev->swbit[BIT_WORD(swcode)] = BIT_MASK(swcode);
  56 +       gdev->idev->name = name;
  57 +
  58 +       err = input_register_device(gdev->idev);
  59 +       if (err)
  60 +               goto err_free_idev;
  61 +
  62 +       return gdev;
  63 +
  64 +err_free_idev:
  65 +       input_free_device(gdev->idev);
  66 +err_free:
  67 +       kfree(gdev);
  68 +error:
  69 +       return NULL;
  70 +}
  71 +
  72 +static int __init n8x0_gpio_switches_input_init(void)
  73 +{
  74 +       slide_input = gpioswitch_input_init("slide", SW_KEYPAD_SLIDE);
  75 +       kblock_input = gpioswitch_input_init("kb_lock", SW_LID);
  76 +       if (WARN_ON(!slide_input || !kblock_input))
  77 +               return -ENODEV;
  78 +       return 0;
  79 +}
  80 +late_initcall(n8x0_gpio_switches_input_init);
  81 +
  82  static struct omap_gpio_switch n8x0_gpio_switches[] __initdata = {
  83         {
  84                 .name                   = "headphone",
  85 @@ -817,11 +888,13 @@ static struct omap_gpio_switch n8x0_gpio
  86                 .gpio                   = -1,
  87                 .debounce_rising        = 200,
  88                 .debounce_falling       = 200,
  89 +               .notify                 = n8x0_slide_notify,
  90         }, {
  91                 .name                   = "kb_lock",
  92                 .gpio                   = -1,
  93                 .debounce_rising        = 200,
  94                 .debounce_falling       = 200,
  95 +               .notify                 = n8x0_kb_lock_notify,
  96         },
  97  };
  98