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Commit 72341eea authored by Dmitry Torokhov's avatar Dmitry Torokhov
Browse files

Input: atlas_btns - add support for loadable keymaps 



Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 1953ea2d

drivers/input/misc/atlas_btns.c

+23 −16
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ 
#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) {