ACPI: thinkpad-acpi: minor hotkey_radio_sw fixes

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To: <git-commits-head@...>
Date: Thursday, February 21, 2008 - 9:00 pm

Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d147da...
Commit:     d147da73c9a3f617e4685c6a7762961fe19833e7
Parent:     d0788cfbae0eddf13d5f2591acb1b407ba041d71
Author:     Henrique de Moraes Holschuh <hmh@hmh.eng.br>
AuthorDate: Sat Feb 16 02:17:57 2008 -0200
Committer:  Len Brown <len.brown@intel.com>
CommitDate: Sat Feb 16 00:34:04 2008 -0500

    ACPI: thinkpad-acpi: minor hotkey_radio_sw fixes
    
    Fixes some minor points in the radio switch code and docs.
    
    Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
    Signed-off-by: Len Brown <len.brown@intel.com>
---
 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)
-
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