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path: root/drivers/platform/x86/toshiba_acpi.c
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Diffstat (limited to 'drivers/platform/x86/toshiba_acpi.c')
-rw-r--r--drivers/platform/x86/toshiba_acpi.c191
1 files changed, 64 insertions, 127 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 7d67a45bb2b..06f304f46e0 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -48,6 +48,7 @@
#include <linux/platform_device.h>
#include <linux/rfkill.h>
#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
#include <linux/leds.h>
#include <linux/slab.h>
@@ -121,36 +122,28 @@ static const struct acpi_device_id toshiba_device_ids[] = {
};
MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
-struct key_entry {
- char type;
- u16 code;
- u16 keycode;
-};
-
-enum {KE_KEY, KE_END};
-
-static struct key_entry toshiba_acpi_keymap[] = {
- {KE_KEY, 0x101, KEY_MUTE},
- {KE_KEY, 0x102, KEY_ZOOMOUT},
- {KE_KEY, 0x103, KEY_ZOOMIN},
- {KE_KEY, 0x13b, KEY_COFFEE},
- {KE_KEY, 0x13c, KEY_BATTERY},
- {KE_KEY, 0x13d, KEY_SLEEP},
- {KE_KEY, 0x13e, KEY_SUSPEND},
- {KE_KEY, 0x13f, KEY_SWITCHVIDEOMODE},
- {KE_KEY, 0x140, KEY_BRIGHTNESSDOWN},
- {KE_KEY, 0x141, KEY_BRIGHTNESSUP},
- {KE_KEY, 0x142, KEY_WLAN},
- {KE_KEY, 0x143, KEY_PROG1},
- {KE_KEY, 0xb05, KEY_PROG2},
- {KE_KEY, 0xb06, KEY_WWW},
- {KE_KEY, 0xb07, KEY_MAIL},
- {KE_KEY, 0xb30, KEY_STOP},
- {KE_KEY, 0xb31, KEY_PREVIOUSSONG},
- {KE_KEY, 0xb32, KEY_NEXTSONG},
- {KE_KEY, 0xb33, KEY_PLAYPAUSE},
- {KE_KEY, 0xb5a, KEY_MEDIA},
- {KE_END, 0, 0},
+static const struct key_entry toshiba_acpi_keymap[] __initconst = {
+ { KE_KEY, 0x101, { KEY_MUTE } },
+ { KE_KEY, 0x102, { KEY_ZOOMOUT } },
+ { KE_KEY, 0x103, { KEY_ZOOMIN } },
+ { KE_KEY, 0x13b, { KEY_COFFEE } },
+ { KE_KEY, 0x13c, { KEY_BATTERY } },
+ { KE_KEY, 0x13d, { KEY_SLEEP } },
+ { KE_KEY, 0x13e, { KEY_SUSPEND } },
+ { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0x142, { KEY_WLAN } },
+ { KE_KEY, 0x143, { KEY_PROG1 } },
+ { KE_KEY, 0xb05, { KEY_PROG2 } },
+ { KE_KEY, 0xb06, { KEY_WWW } },
+ { KE_KEY, 0xb07, { KEY_MAIL } },
+ { KE_KEY, 0xb30, { KEY_STOP } },
+ { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } },
+ { KE_KEY, 0xb32, { KEY_NEXTSONG } },
+ { KE_KEY, 0xb33, { KEY_PLAYPAUSE } },
+ { KE_KEY, 0xb5a, { KEY_MEDIA } },
+ { KE_END, 0 },
};
/* utility
@@ -852,64 +845,9 @@ static struct backlight_ops toshiba_backlight_data = {
.update_status = set_lcd_status,
};
-static struct key_entry *toshiba_acpi_get_entry_by_scancode(unsigned int code)
-{
- struct key_entry *key;
-
- for (key = toshiba_acpi_keymap; key->type != KE_END; key++)
- if (code == key->code)
- return key;
-
- return NULL;
-}
-
-static struct key_entry *toshiba_acpi_get_entry_by_keycode(unsigned int code)
-{
- struct key_entry *key;
-
- for (key = toshiba_acpi_keymap; key->type != KE_END; key++)
- if (code == key->keycode && key->type == KE_KEY)
- return key;
-
- return NULL;
-}
-
-static int toshiba_acpi_getkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int *keycode)
-{
- struct key_entry *key = toshiba_acpi_get_entry_by_scancode(scancode);
-
- if (key && key->type == KE_KEY) {
- *keycode = key->keycode;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int toshiba_acpi_setkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int keycode)
-{
- struct key_entry *key;
- unsigned int old_keycode;
-
- key = toshiba_acpi_get_entry_by_scancode(scancode);
- if (key && key->type == KE_KEY) {
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!toshiba_acpi_get_entry_by_keycode(old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
- }
-
- return -EINVAL;
-}
-
static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
{
u32 hci_result, value;
- struct key_entry *key;
if (event != 0x80)
return;
@@ -922,19 +860,11 @@ static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
if (value & 0x80)
continue;
- key = toshiba_acpi_get_entry_by_scancode
- (value);
- if (!key) {
+ if (!sparse_keymap_report_event(toshiba_acpi.hotkey_dev,
+ value, 1, true)) {
printk(MY_INFO "Unknown key %x\n",
value);
- continue;
}
- input_report_key(toshiba_acpi.hotkey_dev,
- key->keycode, 1);
- input_sync(toshiba_acpi.hotkey_dev);
- input_report_key(toshiba_acpi.hotkey_dev,
- key->keycode, 0);
- input_sync(toshiba_acpi.hotkey_dev);
} else if (hci_result == HCI_NOT_SUPPORTED) {
/* This is a workaround for an unresolved issue on
* some machines where system events sporadically
@@ -945,34 +875,17 @@ static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
} while (hci_result != HCI_EMPTY);
}
-static int toshiba_acpi_setup_keyboard(char *device)
+static int __init toshiba_acpi_setup_keyboard(char *device)
{
acpi_status status;
- acpi_handle handle;
- int result;
- const struct key_entry *key;
+ int error;
- status = acpi_get_handle(NULL, device, &handle);
+ status = acpi_get_handle(NULL, device, &toshiba_acpi.handle);
if (ACPI_FAILURE(status)) {
printk(MY_INFO "Unable to get notification device\n");
return -ENODEV;
}
- toshiba_acpi.handle = handle;
-
- status = acpi_evaluate_object(handle, "ENAB", NULL, NULL);
- if (ACPI_FAILURE(status)) {
- printk(MY_INFO "Unable to enable hotkeys\n");
- return -ENODEV;
- }
-
- status = acpi_install_notify_handler(handle, ACPI_DEVICE_NOTIFY,
- toshiba_acpi_notify, NULL);
- if (ACPI_FAILURE(status)) {
- printk(MY_INFO "Unable to install hotkey notification\n");
- return -ENODEV;
- }
-
toshiba_acpi.hotkey_dev = input_allocate_device();
if (!toshiba_acpi.hotkey_dev) {
printk(MY_INFO "Unable to register input device\n");
@@ -982,27 +895,54 @@ static int toshiba_acpi_setup_keyboard(char *device)
toshiba_acpi.hotkey_dev->name = "Toshiba input device";
toshiba_acpi.hotkey_dev->phys = device;
toshiba_acpi.hotkey_dev->id.bustype = BUS_HOST;
- toshiba_acpi.hotkey_dev->getkeycode = toshiba_acpi_getkeycode;
- toshiba_acpi.hotkey_dev->setkeycode = toshiba_acpi_setkeycode;
- for (key = toshiba_acpi_keymap; key->type != KE_END; key++) {
- set_bit(EV_KEY, toshiba_acpi.hotkey_dev->evbit);
- set_bit(key->keycode, toshiba_acpi.hotkey_dev->keybit);
+ error = sparse_keymap_setup(toshiba_acpi.hotkey_dev,
+ toshiba_acpi_keymap, NULL);
+ if (error)
+ goto err_free_dev;
+
+ status = acpi_install_notify_handler(toshiba_acpi.handle,
+ ACPI_DEVICE_NOTIFY, toshiba_acpi_notify, NULL);
+ if (ACPI_FAILURE(status)) {
+ printk(MY_INFO "Unable to install hotkey notification\n");
+ error = -ENODEV;
+ goto err_free_keymap;
+ }
+
+ status = acpi_evaluate_object(toshiba_acpi.handle, "ENAB", NULL, NULL);
+ if (ACPI_FAILURE(status)) {
+ printk(MY_INFO "Unable to enable hotkeys\n");
+ error = -ENODEV;
+ goto err_remove_notify;
}
- result = input_register_device(toshiba_acpi.hotkey_dev);
- if (result) {
+ error = input_register_device(toshiba_acpi.hotkey_dev);
+ if (error) {
printk(MY_INFO "Unable to register input device\n");
- return result;
+ goto err_remove_notify;
}
return 0;
+
+ err_remove_notify:
+ acpi_remove_notify_handler(toshiba_acpi.handle,
+ ACPI_DEVICE_NOTIFY, toshiba_acpi_notify);
+ err_free_keymap:
+ sparse_keymap_free(toshiba_acpi.hotkey_dev);
+ err_free_dev:
+ input_free_device(toshiba_acpi.hotkey_dev);
+ toshiba_acpi.hotkey_dev = NULL;
+ return error;
}
static void toshiba_acpi_exit(void)
{
- if (toshiba_acpi.hotkey_dev)
+ if (toshiba_acpi.hotkey_dev) {
+ acpi_remove_notify_handler(toshiba_acpi.handle,
+ ACPI_DEVICE_NOTIFY, toshiba_acpi_notify);
+ sparse_keymap_free(toshiba_acpi.hotkey_dev);
input_unregister_device(toshiba_acpi.hotkey_dev);
+ }
if (toshiba_acpi.bt_rfk) {
rfkill_unregister(toshiba_acpi.bt_rfk);
@@ -1017,9 +957,6 @@ static void toshiba_acpi_exit(void)
if (toshiba_proc_dir)
remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
- acpi_remove_notify_handler(toshiba_acpi.handle, ACPI_DEVICE_NOTIFY,
- toshiba_acpi_notify);
-
if (toshiba_acpi.illumination_installed)
led_classdev_unregister(&toshiba_led);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-29 19:13:59 +0000