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eeepc-laptop: switch to using sparse keymap library
Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Tested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Acked-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Dmitry Torokhov
Len Brown
parent
10ae4b5663
commit
642e0447cb
@ -364,6 +364,7 @@ config EEEPC_LAPTOP
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select HWMON
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select LEDS_CLASS
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select NEW_LEDS
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select INPUT_SPARSEKMAP
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---help---
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This driver supports the Fn-Fx keys on Eee PC laptops.
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@ -31,6 +31,7 @@
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#include <acpi/acpi_bus.h>
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#include <linux/uaccess.h>
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#include <linux/input.h>
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#include <linux/input/sparse-keymap.h>
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#include <linux/rfkill.h>
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#include <linux/pci.h>
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#include <linux/pci_hotplug.h>
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@ -121,38 +122,28 @@ static const char *cm_setv[] = {
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NULL, NULL, "PBPS", "TPDS"
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};
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struct key_entry {
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char type;
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u8 code;
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u16 keycode;
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};
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enum { KE_KEY, KE_END };
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static const struct key_entry eeepc_keymap[] = {
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/* Sleep already handled via generic ACPI code */
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{KE_KEY, 0x10, KEY_WLAN },
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{KE_KEY, 0x11, KEY_WLAN },
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{KE_KEY, 0x12, KEY_PROG1 },
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{KE_KEY, 0x13, KEY_MUTE },
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{KE_KEY, 0x14, KEY_VOLUMEDOWN },
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{KE_KEY, 0x15, KEY_VOLUMEUP },
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{KE_KEY, 0x16, KEY_DISPLAY_OFF },
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{KE_KEY, 0x1a, KEY_COFFEE },
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{KE_KEY, 0x1b, KEY_ZOOM },
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{KE_KEY, 0x1c, KEY_PROG2 },
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{KE_KEY, 0x1d, KEY_PROG3 },
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{KE_KEY, NOTIFY_BRN_MIN, KEY_BRIGHTNESSDOWN },
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{KE_KEY, NOTIFY_BRN_MAX, KEY_BRIGHTNESSUP },
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{KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
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{KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
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{KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
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{KE_KEY, 0x37, KEY_F13 }, /* Disable Touchpad */
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{KE_KEY, 0x38, KEY_F14 },
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{ KE_KEY, 0x10, { KEY_WLAN } },
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{ KE_KEY, 0x11, { KEY_WLAN } },
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{ KE_KEY, 0x12, { KEY_PROG1 } },
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{ KE_KEY, 0x13, { KEY_MUTE } },
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{ KE_KEY, 0x14, { KEY_VOLUMEDOWN } },
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{ KE_KEY, 0x15, { KEY_VOLUMEUP } },
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{ KE_KEY, 0x16, { KEY_DISPLAY_OFF } },
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{ KE_KEY, 0x1a, { KEY_COFFEE } },
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{ KE_KEY, 0x1b, { KEY_ZOOM } },
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{ KE_KEY, 0x1c, { KEY_PROG2 } },
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{ KE_KEY, 0x1d, { KEY_PROG3 } },
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{ KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } },
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{ KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } },
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{ KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } },
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{ KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } },
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{ KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } },
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{ KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */
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{ KE_KEY, 0x38, { KEY_F14 } },
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{ KE_END, 0 },
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};
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/*
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* This is the main structure, we can use it to store useful information
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*/
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@ -1143,120 +1134,42 @@ static void eeepc_backlight_exit(struct eeepc_laptop *eeepc)
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/*
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* Input device (i.e. hotkeys)
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*/
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static struct key_entry *eeepc_get_entry_by_scancode(
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struct eeepc_laptop *eeepc,
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int code)
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{
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struct key_entry *key;
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for (key = eeepc->keymap; key->type != KE_END; key++)
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if (code == key->code)
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return key;
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return NULL;
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}
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static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event)
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{
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static struct key_entry *key;
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key = eeepc_get_entry_by_scancode(eeepc, event);
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if (key) {
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switch (key->type) {
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case KE_KEY:
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input_report_key(eeepc->inputdev, key->keycode,
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1);
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input_sync(eeepc->inputdev);
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input_report_key(eeepc->inputdev, key->keycode,
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0);
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input_sync(eeepc->inputdev);
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break;
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}
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}
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}
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static struct key_entry *eeepc_get_entry_by_keycode(
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struct eeepc_laptop *eeepc, int code)
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{
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struct key_entry *key;
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for (key = eeepc->keymap; key->type != KE_END; key++)
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if (code == key->keycode && key->type == KE_KEY)
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return key;
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return NULL;
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}
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static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode)
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{
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struct eeepc_laptop *eeepc = input_get_drvdata(dev);
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struct key_entry *key = eeepc_get_entry_by_scancode(eeepc, scancode);
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if (key && key->type == KE_KEY) {
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*keycode = key->keycode;
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return 0;
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}
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return -EINVAL;
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}
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static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode)
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{
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struct eeepc_laptop *eeepc = input_get_drvdata(dev);
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struct key_entry *key;
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int old_keycode;
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if (keycode < 0 || keycode > KEY_MAX)
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return -EINVAL;
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key = eeepc_get_entry_by_scancode(eeepc, scancode);
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if (key && key->type == KE_KEY) {
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old_keycode = key->keycode;
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key->keycode = keycode;
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set_bit(keycode, dev->keybit);
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if (!eeepc_get_entry_by_keycode(eeepc, old_keycode))
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clear_bit(old_keycode, dev->keybit);
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return 0;
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}
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return -EINVAL;
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}
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static int eeepc_input_init(struct eeepc_laptop *eeepc)
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{
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const struct key_entry *key;
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int result;
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struct input_dev *input;
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int error;
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eeepc->inputdev = input_allocate_device();
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if (!eeepc->inputdev) {
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input = input_allocate_device();
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if (!input) {
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pr_info("Unable to allocate input device\n");
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return -ENOMEM;
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}
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eeepc->inputdev->name = "Asus EeePC extra buttons";
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eeepc->inputdev->dev.parent = &eeepc->platform_device->dev;
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eeepc->inputdev->phys = EEEPC_LAPTOP_FILE "/input0";
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eeepc->inputdev->id.bustype = BUS_HOST;
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eeepc->inputdev->getkeycode = eeepc_getkeycode;
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eeepc->inputdev->setkeycode = eeepc_setkeycode;
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input_set_drvdata(eeepc->inputdev, eeepc);
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eeepc->keymap = kmemdup(eeepc_keymap, sizeof(eeepc_keymap),
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GFP_KERNEL);
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for (key = eeepc_keymap; key->type != KE_END; key++) {
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switch (key->type) {
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case KE_KEY:
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set_bit(EV_KEY, eeepc->inputdev->evbit);
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set_bit(key->keycode, eeepc->inputdev->keybit);
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break;
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input->name = "Asus EeePC extra buttons";
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input->phys = EEEPC_LAPTOP_FILE "/input0";
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input->id.bustype = BUS_HOST;
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input->dev.parent = &eeepc->platform_device->dev;
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error = sparse_keymap_setup(input, eeepc_keymap, NULL);
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if (error) {
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pr_err("Unable to setup input device keymap\n");
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goto err_free_dev;
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}
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error = input_register_device(input);
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if (error) {
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pr_err("Unable to register input device\n");
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goto err_free_keymap;
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}
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result = input_register_device(eeepc->inputdev);
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if (result) {
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pr_info("Unable to register input device\n");
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input_free_device(eeepc->inputdev);
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return result;
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}
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eeepc->inputdev = input;
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return 0;
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err_free_keymap:
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sparse_keymap_free(input);
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err_free_dev:
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input_free_device(input);
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return error;
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}
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static void eeepc_input_exit(struct eeepc_laptop *eeepc)
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@ -1306,11 +1219,12 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event)
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* event will be desired value (or else ignored)
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*/
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}
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eeepc_input_notify(eeepc, event);
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sparse_keymap_report_event(eeepc->inputdev, event,
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1, true);
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}
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} else {
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/* Everything else is a bona-fide keypress event */
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eeepc_input_notify(eeepc, event);
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sparse_keymap_report_event(eeepc->inputdev, event, 1, true);
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}
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}
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@ -1554,10 +1468,12 @@ static int __init eeepc_laptop_init(void)
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result = acpi_bus_register_driver(&eeepc_acpi_driver);
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if (result < 0)
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goto fail_acpi_driver;
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if (!eeepc_device_present) {
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result = -ENODEV;
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goto fail_no_device;
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}
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return 0;
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fail_no_device:
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