linux-kernel - [PATCH 1/1] thinkpad_acpi: Add support for status (external cover) LED

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Message-Id: <20170119172132.36029-1-agoode@google.com>
Date:   Thu, 19 Jan 2017 12:21:32 -0500
From:   Adam Goode <agoode@...gle.com>
To:     Henrique de Moraes Holschuh <ibm-acpi@....eng.br>,
        Darren Hart <dvhart@...radead.org>
Cc:     ibm-acpi-devel@...ts.sourceforge.net,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Adam Goode <agoode@...gle.com>
Subject: [PATCH 1/1] thinkpad_acpi: Add support for status (external cover) LED

This allows the control of the red status LED, which is the dot of the "i"
in the word "ThinkPad" on the outside cover of newer models.

In the manual, both this LED and the power LED are referred to as
the "system-status indicators" without distinction between the two, so
I chose "status" as the LED name.

Signed-off-by: Adam Goode <agoode@...gle.com>

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index cacb43fb1df7..6577bf8e5635 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -5611,11 +5611,11 @@ static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = {
 	"tpacpi::standby",
 	"tpacpi::dock_status1",
 	"tpacpi::dock_status2",
-	"tpacpi::unknown_led2",
+	"tpacpi::status",
 	"tpacpi::unknown_led3",
 	"tpacpi::thinkvantage",
 };
-#define TPACPI_SAFE_LEDS	0x1081U
+#define TPACPI_SAFE_LEDS	0x1481U
 
 static inline bool tpacpi_is_led_restricted(const unsigned int led)
 {
-- 
2.11.0.390.gc69c2f50cf-goog