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acer-wmi: change to emit touchpad on off key 

KEY_TOUCHPAD_TOOGLE key is for notice userland change touchpad state
via xf86-input-synaptics on the machine that don't toggle touchpad in
hardware. But, acer laptop actually toggle touchpad in hardware.
So, this patch change to emit KEY_TOUCHPAD_ON/OFF key when acer-wmi grab
device state of touchpad.

Reference: brc#848270
        https://bugzilla.redhat.com/show_bug.cgi?id=848270

Tested-by: Nathanael Noblet <nathanael@gnat.ca>
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This commit is contained in:
Lee, Chun-Yi 2012-12-14 16:14:27 +08:00 committed by Matthew Garrett
parent f20aaba981
commit 8e2286ce07
1 changed files with 10 additions and 3 deletions
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13
drivers/platform/x86/acer-wmi.c
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@ -125,7 +125,9 @@ static const struct key_entry acer_wmi_keymap[] = {
{KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
{KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
{KE_IGNORE, 0x81, {KEY_SLEEP} },
{KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad On/Off */
{KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
{KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
{KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
{KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
{KE_END, 0}
};
@ -147,6 +149,7 @@ struct event_return_value {
#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
struct lm_input_params {
u8 function_num; /* Function Number */
@ -1678,6 +1681,7 @@ static void acer_wmi_notify(u32 value, void *context)
acpi_status status;
u16 device_state;
const struct key_entry *key;
u32 scancode;
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
@ -1714,6 +1718,7 @@ static void acer_wmi_notify(u32 value, void *context)
pr_warn("Unknown key number - 0x%x\n",
return_value.key_num);
} else {
scancode = return_value.key_num;
switch (key->keycode) {
case KEY_WLAN:
case KEY_BLUETOOTH:
@ -1727,9 +1732,11 @@ static void acer_wmi_notify(u32 value, void *context)
rfkill_set_sw_state(bluetooth_rfkill,
!(device_state & ACER_WMID3_GDS_BLUETOOTH));
break;
case KEY_TOUCHPAD_TOGGLE:
scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
}
sparse_keymap_report_entry(acer_wmi_input_dev, key,
1, true);
sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
}
break;
case WMID_ACCEL_EVENT: