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toshiba-acpi: fix multimedia keys on some machines 

Some Toshibas only send ACPI events on key down, not key release. Ignore
any release events and send key down and key up events on every ACPI key
down event.

Signed-off-by: Frans Pop <elendil@planet.nl>
This commit is contained in:
Frans Pop 2010-03-01 09:50:46 -05:00 committed by Matthew Garrett
parent 92e00e47b6
commit b466301b84
1 changed files with 16 additions and 14 deletions
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30
drivers/platform/x86/toshiba_acpi.c
View File

@ -814,21 +814,23 @@ static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
if (hci_result == HCI_SUCCESS) {
if (value == 0x100)
continue;
else if (value & 0x80) {
key = toshiba_acpi_get_entry_by_scancode
(value & ~0x80);
if (!key) {
printk(MY_INFO "Unknown key %x\n",
value & ~0x80);
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);
/* act on key press; ignore key release */
if (value & 0x80)
continue;
key = toshiba_acpi_get_entry_by_scancode
(value);
if (!key) {
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