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ACPI: thinkpad-acpi: issue input events for tablet swivel events

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Issue EV_SW SW_TABLET_MODE events for HKEY events 0x5009 and 0x500A on the
X41t/X60t/X61t.  As usual, we suppress the HKEY events on the netlink
interface to avoid sending duplicate events to userspace.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Henrique de Moraes Holschuh 2008-02-16 02:17:55 -02:00 committed by Len Brown
parent d7c1d17dfe
commit b3ec6f911a
2 changed files with 22 additions and 4 deletions
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4
Documentation/laptops/thinkpad-acpi.txt
View File

@ -491,6 +491,8 @@ generate input device EV_KEY events.
Non hot-key ACPI HKEY event map:
0x5001 Lid closed
0x5002 Lid opened
0x5009 Tablet swivel: switched to tablet mode
0x500A Tablet swivel: switched to normal mode
0x7000 Radio Switch may have changed state
The above events are not propagated by the driver, except for legacy
@ -505,8 +507,6 @@ The above events are never propagated by the driver.
0x3003 Bay ejection (see 0x2x05) complete, can sleep again
0x4003 Undocked (see 0x2x04), can sleep again
0x5009 Tablet swivel: switched to tablet mode
0x500A Tablet swivel: switched to normal mode
0x500B Tablet pen insterted into its storage bay
0x500C Tablet pen removed from its storage bay
0x5010 Brightness level changed (newer Lenovo BIOSes)

22
drivers/misc/thinkpad_acpi.c
View File

@ -1172,6 +1172,17 @@ static void tpacpi_input_send_radiosw(void)
mutex_unlock(&tpacpi_inputdev_send_mutex);
}
static void tpacpi_input_send_tabletsw(unsigned int state)
{
mutex_lock(&tpacpi_inputdev_send_mutex);
input_report_switch(tpacpi_inputdev,
SW_TABLET_MODE, !!state);
input_sync(tpacpi_inputdev);
mutex_unlock(&tpacpi_inputdev_send_mutex);
}
static void tpacpi_input_send_key(unsigned int scancode)
{
unsigned int keycode;
@ -2020,6 +2031,10 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
set_bit(EV_SW, tpacpi_inputdev->evbit);
set_bit(SW_RADIO, tpacpi_inputdev->swbit);
}
if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
set_bit(EV_SW, tpacpi_inputdev->evbit);
set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit);
}
dbg_printk(TPACPI_DBG_INIT,
"enabling hot key handling\n");
@ -2169,11 +2184,14 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
/* 0x5000-0x5FFF: human interface helpers */
switch (hkey) {
case 0x5010: /* Lenovo new BIOS: brightness changed */
case 0x5009: /* X61t: swivel up (tablet mode) */
case 0x500a: /* X61t: swivel down (normal mode) */
case 0x500b: /* X61t: tablet pen inserted into bay */
case 0x500c: /* X61t: tablet pen removed from bay */
break;
case 0x5009: /* X61t: swivel up (tablet mode) */
case 0x500a: /* X61t: swivel down (normal mode) */
tpacpi_input_send_tabletsw((hkey == 0x5009));
send_acpi_ev = 0;
break;
case 0x5001:
case 0x5002:
/* LID switch events. Do not propagate */