From 2216c6e83ccbc9d34f541621ff23f510cd8a256f Mon Sep 17 00:00:00 2001
From: Tobias Mueller <Tobias_Mueller@twam.info>
Date: Wed, 10 Jun 2009 12:48:52 -0700
Subject: leds: alix-leds2 fixed for Award BIOS
Add initialisation of GPIO ports for compatibility with boards with Award
BIOS (e.g. ALIX.3D3).
Signed-off-by: Tobias Mueller <Tobias_Mueller@twam.info>
Reviewed-by: Constantin Baranov <const@mimas.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
drivers/leds/Kconfig | 1 +
drivers/leds/leds-alix2.c | 7 ++++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 9b60b6b684d..37e91184756 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -75,6 +75,7 @@ config LEDS_ALIX2
depends on LEDS_CLASS && X86 && EXPERIMENTAL
help
This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
+ You have to set leds-alix2.force=1 for boards with Award BIOS.
config LEDS_H1940
tristate "LED Support for iPAQ H1940 device"
diff --git a/drivers/leds/leds-alix2.c b/drivers/leds/leds-alix2.c
index ddbd7730dfc..731d4eef342 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);
--
cgit v1.2.3-18-g5258