Input: atlas_btns - add support for loadable keymaps

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 23 insertions, 16 deletions

diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index 4e3ad657ed80..1b871917340a 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -29,9 +29,10 @@
 #include <asm/uaccess.h>
 #include <acpi/acpi_drivers.h>
 
-#define ACPI_ATLAS_NAME                 "Atlas ACPI"
-#define ACPI_ATLAS_CLASS                "Atlas"
+#define ACPI_ATLAS_NAME         "Atlas ACPI"
+#define ACPI_ATLAS_CLASS        "Atlas"
 
+static unsigned short atlas_keymap[16];
 static struct input_dev *input_dev;
 
 /* button handling code */
@@ -50,12 +51,15 @@ static acpi_status acpi_atlas_button_handler(u32 function,
                       void *handler_context, void *region_context)
 {
         acpi_status status;
-        int keycode;
 
         if (function == ACPI_WRITE) {
-                keycode = KEY_F1 + (address & 0x0F);
-                input_report_key(input_dev, keycode, !(address & 0x10));
+                int code = address & 0x0f;
+                int key_down = !(address & 0x10);
+
+                input_event(input_dev, EV_MSC, MSC_SCAN, code);
+                input_report_key(input_dev, atlas_keymap[code], key_down);
                 input_sync(input_dev);
+
                 status = 0;
         } else {
                 printk(KERN_WARNING "atlas: shrugged on unexpected function"
@@ -70,6 +74,7 @@ static acpi_status acpi_atlas_button_handler(u32 function,
 static int atlas_acpi_button_add(struct acpi_device *device)
 {
         acpi_status status;
+        int i;
         int err;
 
         input_dev = input_allocate_device();
@@ -81,17 +86,19 @@ static int atlas_acpi_button_add(struct acpi_device *device)
         input_dev->name = "Atlas ACPI button driver";
         input_dev->phys = "ASIM0000/atlas/input0";
         input_dev->id.bustype = BUS_HOST;
-        input_dev->evbit[BIT_WORD(EV_KEY)] = BIT_MASK(EV_KEY);
-
-        set_bit(KEY_F1, input_dev->keybit);
-        set_bit(KEY_F2, input_dev->keybit);
-        set_bit(KEY_F3, input_dev->keybit);
-        set_bit(KEY_F4, input_dev->keybit);
-        set_bit(KEY_F5, input_dev->keybit);
-        set_bit(KEY_F6, input_dev->keybit);
-        set_bit(KEY_F7, input_dev->keybit);
-        set_bit(KEY_F8, input_dev->keybit);
-        set_bit(KEY_F9, input_dev->keybit);
+        input_dev->keycode = atlas_keymap;
+        input_dev->keycodesize = sizeof(unsigned short);
+        input_dev->keycodemax = ARRAY_SIZE(atlas_keymap);
+
+        input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+        __set_bit(EV_KEY, input_dev->evbit);
+        for (i = 0; i < ARRAY_SIZE(atlas_keymap); i++) {
+                if (i < 9) {
+                        atlas_keymap[i] = KEY_F1 + i;
+                        __set_bit(KEY_F1 + i, input_dev->keybit);
+                } else
+                        atlas_keymap[i] = KEY_RESERVED;
+        }
 
         err = input_register_device(input_dev);
         if (err) {