The expected user case for the radio slider switch on a ThinkPad includes
interfacing to applications, so that the user gets an offer to find and
associate with a wireless network when the switch is changed from disabled
to enabled (ThinkVantage suite).
Export the information about the switch state, and switch change events as
an EV_SW SW_RADIO event over the input layer.
Signed-off-by: Henrique de Moraes Holschuh <[EMAIL PROTECTED]>
Cc: Dmitry Torokhov <[EMAIL PROTECTED]>
Cc: Ivo van Doorn <[EMAIL PROTECTED]>
Cc: Richard Hughes <[EMAIL PROTECTED]>
---
drivers/misc/thinkpad_acpi.c | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 78914bf..cfef218 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -1014,6 +1014,11 @@ static int __init hotkey_init(struct ibm_init_struct
*iibm)
}
}
+ if (tp_features.hotkey_wlsw) {
+ set_bit(EV_SW, tpacpi_inputdev->evbit);
+ set_bit(SW_RADIO, tpacpi_inputdev->swbit);
+ }
+
#ifdef CONFIG_THINKPAD_ACPI_INPUT_ENABLED
dbg_printk(TPACPI_DBG_INIT,
"enabling hot key handling\n");
@@ -1062,6 +1067,15 @@ static void tpacpi_input_send_key(unsigned int scancode,
}
}
+static void tpacpi_input_send_radiosw(void)
+{
+ int wlsw;
+
+ if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw))
+ input_report_switch(tpacpi_inputdev,
+ SW_RADIO, !!wlsw);
+}
+
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
{
u32 hkey;
@@ -1096,6 +1110,14 @@ static void hotkey_notify(struct ibm_struct *ibm, u32
event)
hkey);
}
break;
+ case 7:
+ /* 0x7000-0x7FFF: misc */
+ if (tp_features.hotkey_wlsw && hkey == 0x7000) {
+ tpacpi_input_send_radiosw();
+ sendacpi = 0;
+ break;
+ }
+ /* fallthrough to default */
default:
/* case 2: dock-related */
/* 0x2305 - T43 waking up due to bay lever
eject while aslept */
@@ -1113,6 +1135,11 @@ static void hotkey_notify(struct ibm_struct *ibm, u32
event)
}
}
+static void hotkey_resume(void)
+{
+ tpacpi_input_send_radiosw();
+}
+
/*
* Call with hotkey_mutex held
*/
@@ -1240,6 +1267,7 @@ static struct ibm_struct hotkey_driver_data = {
.read = hotkey_read,
.write = hotkey_write,
.exit = hotkey_exit,
+ .resume = hotkey_resume,
.acpi = &ibm_hotkey_acpidriver,
};
--
1.5.2.1
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