projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/arch/arm/mach-imx/leds-mx1ads.c | |
| 3 | * | |
| 4 | * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de> | |
| 5 | * | |
| 6 | * Original (leds-footbridge.c) by Russell King | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | * | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/kernel.h> | |
| 15 | #include <linux/init.h> | |
| 16 | #include <asm/hardware.h> | |
| 17 | #include <asm/system.h> | |
| 18 | #include <asm/io.h> | |
| 19 | #include <asm/leds.h> | |
| 1da177e4 LT |
20 | #include "leds.h" |
| 21 | ||
| 22 | /* | |
| 23 | * The MX1ADS Board has only one usable LED, | |
| 24 | * so select only the timer led or the | |
| 25 | * cpu usage led | |
| 26 | */ | |
| 27 | void | |
| 28 | mx1ads_leds_event(led_event_t ledevt) | |
| 29 | { | |
| 30 | unsigned long flags; | |
| 31 | ||
| 32 | local_irq_save(flags); | |
| 33 | ||
| 34 | switch (ledevt) { | |
| 35 | #ifdef CONFIG_LEDS_CPU | |
| 36 | case led_idle_start: | |
| 37 | DR(0) &= ~(1<<2); | |
| 38 | break; | |
| 39 | ||
| 40 | case led_idle_end: | |
| 41 | DR(0) |= 1<<2; | |
| 42 | break; | |
| 43 | #endif | |
| 44 | ||
| 45 | #ifdef CONFIG_LEDS_TIMER | |
| 46 | case led_timer: | |
| 47 | DR(0) ^= 1<<2; | |
| 48 | #endif | |
| 49 | default: | |
| 50 | break; | |
| 51 | } | |
| 52 | local_irq_restore(flags); | |
| 53 | } |