From: Tobias Mueller Date: Wed, 10 Jun 2009 19:48:52 +0000 (-0700) Subject: leds: alix-leds2 fixed for Award BIOS X-Git-Tag: v4.13~22698^2~6 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=2216c6e83ccbc9d34f541621ff23f510cd8a256f;p=mirror_ubuntu-bionic-kernel.git 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 Reviewed-by: Constantin Baranov Signed-off-by: Andrew Morton Signed-off-by: Richard Purdie --- diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 9b60b6b684d9..37e91184756d 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 ddbd7730dfc8..731d4eef3425 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);