openwrt/target/linux/omap24xx/patches-3.3/350-n8x0-gpioswitch-input.patch

---
 arch/arm/mach-omap2/board-n8x0.c |   73 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -316,6 +316,77 @@ void __init n8x0_bt_init(void)
 		BUG();
 }
 
+struct gpio_switch_input_dev {
+	struct input_dev *idev;
+	unsigned int swcode;
+};
+
+static struct gpio_switch_input_dev *slide_input;
+static struct gpio_switch_input_dev *kblock_input;
+
+static void n8x0_gpio_switch_input_notify(struct gpio_switch_input_dev *gdev,
+					  int state)
+{
+	if (gdev) {
+		input_report_switch(gdev->idev, gdev->swcode, state);
+		input_sync(gdev->idev);
+	}
+}
+
+static void n8x0_slide_notify(void *data, int state)
+{
+	n8x0_gpio_switch_input_notify(slide_input, state);
+}
+
+static void n8x0_kb_lock_notify(void *data, int state)
+{
+	n8x0_gpio_switch_input_notify(kblock_input, state);
+}
+
+static struct gpio_switch_input_dev * __init gpioswitch_input_init(
+			const char *name,
+			unsigned int swcode)
+{
+	struct gpio_switch_input_dev *gdev;
+	int err;
+
+	gdev = kzalloc(sizeof(*gdev), GFP_KERNEL);
+	if (!gdev)
+		goto error;
+	gdev->swcode = swcode;
+
+	gdev->idev = input_allocate_device();
+	if (!gdev->idev)
+		goto err_free;
+
+	gdev->idev->evbit[0] = BIT_MASK(EV_SW);
+	gdev->idev->swbit[BIT_WORD(swcode)] = BIT_MASK(swcode);
+	gdev->idev->name = name;
+
+	err = input_register_device(gdev->idev);
+	if (err)
+		goto err_free_idev;
+
+	return gdev;
+
+err_free_idev:
+	input_free_device(gdev->idev);
+err_free:
+	kfree(gdev);
+error:
+	return NULL;
+}
+
+static int __init n8x0_gpio_switches_input_init(void)
+{
+	slide_input = gpioswitch_input_init("slide", SW_KEYPAD_SLIDE);
+	kblock_input = gpioswitch_input_init("kb_lock", SW_LID);
+	if (WARN_ON(!slide_input || !kblock_input))
+		return -ENODEV;
+	return 0;
+}
+late_initcall(n8x0_gpio_switches_input_init);
+
 static struct omap_gpio_switch n8x0_gpio_switches[] __initdata = {
 	{
 		.name			= "headphone",
@@ -337,11 +408,13 @@ static struct omap_gpio_switch n8x0_gpio
 		.gpio			= -1,
 		.debounce_rising	= 200,
 		.debounce_falling	= 200,
+		.notify			= n8x0_slide_notify,
 	}, {
 		.name			= "kb_lock",
 		.gpio			= -1,
 		.debounce_rising	= 200,
 		.debounce_falling	= 200,
+		.notify			= n8x0_kb_lock_notify,
 	},
 };