[PATCH 17/26] ACPI: thinkpad-acpi: minor hotkey_radio_sw fixes

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From: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>

Fixes some minor points in the radio switch code and docs.

Signed-off-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
 Documentation/laptops/thinkpad-acpi.txt |    2 +-
 drivers/misc/thinkpad_acpi.c            |    8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index 91f688c..606af16 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -306,7 +306,7 @@ sysfs notes:
 		The recommended polling frequency is 10Hz.
 
 	hotkey_radio_sw:
-		if the ThinkPad has a hardware radio switch, this
+		If the ThinkPad has a hardware radio switch, this
 		attribute will read 0 if the switch is in the "radios
 		disabled" position, and 1 if the switch is in the
 		"radios enabled" position.
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 3548350..c119cf2 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -1161,15 +1161,15 @@ static void tpacpi_input_send_radiosw(void)
 {
 	int wlsw;
 
-	mutex_lock(&tpacpi_inputdev_send_mutex);
-
 	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
+		mutex_lock(&tpacpi_inputdev_send_mutex);
+
 		input_report_switch(tpacpi_inputdev,
 				    SW_RADIO, !!wlsw);
 		input_sync(tpacpi_inputdev);
-	}
 
-	mutex_unlock(&tpacpi_inputdev_send_mutex);
+		mutex_unlock(&tpacpi_inputdev_send_mutex);
+	}
 }
 
 static void tpacpi_input_send_tabletsw(unsigned int state)
-- 
1.5.4

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