forked from Minki/linux
asus-laptop: switch to sparse keymap library
This patch is based on Dmitry Torokhov's patch with some modifications and cleanups. Signed-off-by: Corentin Chary <corentincj@iksaif.net>
This commit is contained in:
Corentin Chary
parent
d0930a2d42
commit
66a71dd1f7
@ -59,6 +59,7 @@ config ASUS_LAPTOP
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select NEW_LEDS
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select BACKLIGHT_CLASS_DEVICE
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depends on INPUT
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select INPUT_SPARSEKMAP
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---help---
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This is the new Linux driver for Asus laptops. It may also support some
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MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate
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@ -49,6 +49,7 @@
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#include <acpi/acpi_bus.h>
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#include <asm/uaccess.h>
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#include <linux/input.h>
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#include <linux/input/sparse-keymap.h>
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#define ASUS_LAPTOP_VERSION "0.42"
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@ -243,52 +244,45 @@ struct asus_laptop {
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u16 *keycode_map;
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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 asus_keymap[] = {
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{KE_KEY, 0x02, KEY_SCREENLOCK},
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{KE_KEY, 0x05, KEY_WLAN},
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{KE_KEY, 0x08, KEY_F13},
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{KE_KEY, 0x17, KEY_ZOOM},
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{KE_KEY, 0x1f, KEY_BATTERY},
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{KE_KEY, 0x30, KEY_VOLUMEUP},
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{KE_KEY, 0x31, KEY_VOLUMEDOWN},
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{KE_KEY, 0x32, KEY_MUTE},
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{KE_KEY, 0x33, KEY_SWITCHVIDEOMODE},
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{KE_KEY, 0x34, KEY_SWITCHVIDEOMODE},
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{KE_KEY, 0x40, KEY_PREVIOUSSONG},
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{KE_KEY, 0x41, KEY_NEXTSONG},
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{KE_KEY, 0x43, KEY_STOPCD},
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{KE_KEY, 0x45, KEY_PLAYPAUSE},
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{KE_KEY, 0x4c, KEY_MEDIA},
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{KE_KEY, 0x50, KEY_EMAIL},
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{KE_KEY, 0x51, KEY_WWW},
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{KE_KEY, 0x55, KEY_CALC},
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{KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */
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{KE_KEY, 0x5D, KEY_WLAN},
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{KE_KEY, 0x5E, KEY_WLAN},
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{KE_KEY, 0x5F, KEY_WLAN},
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{KE_KEY, 0x60, KEY_SWITCHVIDEOMODE},
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{KE_KEY, 0x61, KEY_SWITCHVIDEOMODE},
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{KE_KEY, 0x62, KEY_SWITCHVIDEOMODE},
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{KE_KEY, 0x63, KEY_SWITCHVIDEOMODE},
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{KE_KEY, 0x6B, KEY_F13}, /* Lock Touchpad */
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{KE_KEY, 0x82, KEY_CAMERA},
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{KE_KEY, 0x88, KEY_WLAN },
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{KE_KEY, 0x8A, KEY_PROG1},
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{KE_KEY, 0x95, KEY_MEDIA},
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{KE_KEY, 0x99, KEY_PHONE},
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{KE_KEY, 0xc4, KEY_KBDILLUMUP},
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{KE_KEY, 0xc5, KEY_KBDILLUMDOWN},
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{KE_KEY, 0x02, { KEY_SCREENLOCK } },
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{KE_KEY, 0x05, { KEY_WLAN } },
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{KE_KEY, 0x08, { KEY_F13 } },
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{KE_KEY, 0x17, { KEY_ZOOM } },
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{KE_KEY, 0x1f, { KEY_BATTERY } },
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{KE_KEY, 0x30, { KEY_VOLUMEUP } },
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{KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
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{KE_KEY, 0x32, { KEY_MUTE } },
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{KE_KEY, 0x33, { KEY_SWITCHVIDEOMODE } },
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{KE_KEY, 0x34, { KEY_SWITCHVIDEOMODE } },
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{KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
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{KE_KEY, 0x41, { KEY_NEXTSONG } },
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{KE_KEY, 0x43, { KEY_STOPCD } },
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{KE_KEY, 0x45, { KEY_PLAYPAUSE } },
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{KE_KEY, 0x4c, { KEY_MEDIA } },
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{KE_KEY, 0x50, { KEY_EMAIL } },
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{KE_KEY, 0x51, { KEY_WWW } },
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{KE_KEY, 0x55, { KEY_CALC } },
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{KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */
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{KE_KEY, 0x5D, { KEY_WLAN } },
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{KE_KEY, 0x5E, { KEY_WLAN } },
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{KE_KEY, 0x5F, { KEY_WLAN } },
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{KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } },
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{KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } },
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{KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } },
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{KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } },
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{KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */
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{KE_KEY, 0x82, { KEY_CAMERA } },
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{KE_KEY, 0x88, { KEY_WLAN } },
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{KE_KEY, 0x8A, { KEY_PROG1 } },
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{KE_KEY, 0x95, { KEY_MEDIA } },
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{KE_KEY, 0x99, { KEY_PHONE } },
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{KE_KEY, 0xc4, { KEY_KBDILLUMUP } },
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{KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } },
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{KE_END, 0},
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};
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/*
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* This function evaluates an ACPI method, given an int as parameter, the
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* method is searched within the scope of the handle, can be NULL. The output
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@ -1050,123 +1044,55 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
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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 *asus_get_entry_by_scancode(struct asus_laptop *asus,
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int code)
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{
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struct key_entry *key;
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for (key = asus->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 struct key_entry *asus_get_entry_by_keycode(struct asus_laptop *asus,
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int code)
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{
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struct key_entry *key;
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for (key = asus->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 asus_getkeycode(struct input_dev *dev, int scancode, int *keycode)
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{
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struct asus_laptop *asus = input_get_drvdata(dev);
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struct key_entry *key = asus_get_entry_by_scancode(asus, 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 asus_setkeycode(struct input_dev *dev, int scancode, int keycode)
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{
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struct asus_laptop *asus = 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 = asus_get_entry_by_scancode(asus, 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 (!asus_get_entry_by_keycode(asus, 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 void asus_input_notify(struct asus_laptop *asus, int event)
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{
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struct key_entry *key;
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key = asus_get_entry_by_scancode(asus, event);
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if (!key)
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return ;
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switch (key->type) {
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case KE_KEY:
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input_report_key(asus->inputdev, key->keycode, 1);
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input_sync(asus->inputdev);
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input_report_key(asus->inputdev, key->keycode, 0);
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input_sync(asus->inputdev);
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break;
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}
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if (asus->inputdev)
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sparse_keymap_report_event(asus->inputdev, event, 1, true);
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}
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static int asus_input_init(struct asus_laptop *asus)
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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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asus->inputdev = input_allocate_device();
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if (!asus->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 0;
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}
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asus->inputdev->name = "Asus Laptop extra buttons";
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asus->inputdev->dev.parent = &asus->platform_device->dev;
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asus->inputdev->phys = ASUS_LAPTOP_FILE "/input0";
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asus->inputdev->id.bustype = BUS_HOST;
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asus->inputdev->getkeycode = asus_getkeycode;
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asus->inputdev->setkeycode = asus_setkeycode;
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input_set_drvdata(asus->inputdev, asus);
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input->name = "Asus Laptop extra buttons";
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input->phys = ASUS_LAPTOP_FILE "/input0";
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input->id.bustype = BUS_HOST;
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input->dev.parent = &asus->platform_device->dev;
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input_set_drvdata(input, asus);
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asus->keymap = kmemdup(asus_keymap, sizeof(asus_keymap),
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GFP_KERNEL);
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for (key = asus->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, asus->inputdev->evbit);
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set_bit(key->keycode, asus->inputdev->keybit);
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break;
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}
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error = sparse_keymap_setup(input, asus_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_keymap;
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}
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result = input_register_device(asus->inputdev);
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if (result) {
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error = input_register_device(input);
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if (error) {
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pr_info("Unable to register input device\n");
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input_free_device(asus->inputdev);
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goto err_device;
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}
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return result;
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asus->inputdev = input;
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return 0;
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err_keymap:
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sparse_keymap_free(input);
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err_device:
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input_free_device(input);
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return error;
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}
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static void asus_input_exit(struct asus_laptop *asus)
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{
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if (asus->inputdev)
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if (asus->inputdev) {
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sparse_keymap_free(asus->inputdev);
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input_unregister_device(asus->inputdev);
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}
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}
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/*
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