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openwrt-xburst/target/linux/omap24xx/patches-2.6.37/310-n8x0-gpioswitch-input.patch
mb 101bcffa4f omap24xx: Add linux 2.6.37 config/patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23888 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-11-05 16:59:39 +00:00

101 lines
2.4 KiB
Diff

---
arch/arm/mach-omap2/board-n8x0.c | 73 +++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
Index: linux-2.6.37-rc1/arch/arm/mach-omap2/board-n8x0.c
===================================================================
--- linux-2.6.37-rc1.orig/arch/arm/mach-omap2/board-n8x0.c 2010-11-05 17:03:59.354999895 +0100
+++ linux-2.6.37-rc1/arch/arm/mach-omap2/board-n8x0.c 2010-11-05 17:04:41.040001926 +0100
@@ -794,6 +794,77 @@
extern void n8x0_usb_init(void);
+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",
@@ -815,11 +886,13 @@
.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,
},
};