linux-kernel - [PATCH 001/001] leds: alix-leds2 fixed for Award BIOS

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Date:	Wed, 13 May 2009 16:10:27 +0200
From:	Tobias Müller <Tobias_Mueller@...m.info>
To:	linux-kernel@...r.kernel.org
Cc:	Tobias Müller <Tobias_Mueller@...m.info>
Subject: [PATCH 001/001] leds: alix-leds2 fixed for Award BIOS

From: Tobias Mueller <Tobias_Mueller@...m.info>

Added initialisation of GPIO ports for compatibility with boards with Award
BIOS (e.g. ALIX.3D3).
Signed-off-by: Tobias Mueller <Tobias_Mueller@...m.info>
---
diff --git a/drivers/leds/leds-alix2.c b/drivers/leds/leds-alix2.c
index ddbd773..bda9403 100644
--- a/drivers/leds/leds-alix2.c
+++ b/drivers/leds/leds-alix2.c
@@ -14,7 +14,7 @@

 static int force = 0;
 module_param(force, bool, 0444);
-MODULE_PARM_DESC(force, "Assume system has ALIX.2 style LEDs");
+MODULE_PARM_DESC(force, "Assume system has ALIX.2/ALIX.3 style LEDs");

 struct alix_led {
 	struct led_classdev cdev;
@@ -155,6 +155,11 @@ static int __init alix_led_init(void)
 		goto out;
 	}

+	/* enable output on GPIO for LED 1,2,3 */
+	outl(1 << 6, 0x6104);
+	outl(1 << 9, 0x6184);
+	outl(1 << 11, 0x6184);
+
 	pdev = platform_device_register_simple(KBUILD_MODNAME, -1, NULL, 0);
 	if (!IS_ERR(pdev)) {
 		ret = platform_driver_probe(&alix_led_driver, alix_led_probe);
--
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