patch-2.1.96 linux/arch/arm/kernel/leds-ebsa285.c

• Lines: 45
• Date: Sun Apr 12 11:42:15 1998
• Orig file: v2.1.95/linux/arch/arm/kernel/leds-ebsa285.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.95/linux/arch/arm/kernel/leds-ebsa285.c linux/arch/arm/kernel/leds-ebsa285.c
@@ -0,0 +1,44 @@
+/*
+ * arch/arm/kernel/leds-285.c
+ *
+ * Copyright (C) 1998 Russell King
+ *
+ * EBSA-285 LED control routines.  We use the leds as follows:
+ *
+ *  - Green - toggles state every 50 timer interrupts
+ *  - Amber - On if system is not idle
+ *  - Red   - currently unused
+ */
+#include <asm/hardware.h>
+#include <asm/leds.h>
+#include <asm/system.h>
+
+static char led_state = XBUS_LED_RED | XBUS_LED_GREEN;
+
+void leds_event(led_event_t ledevt)
+{
+	unsigned long flags;
+
+	save_flags_cli(flags);
+
+	switch(ledevt) {
+	case led_idle_start:
+		led_state |= XBUS_LED_AMBER;
+		break;
+
+	case led_idle_end:
+		led_state &= ~XBUS_LED_AMBER;
+		break;
+
+	case led_timer:
+		led_state ^= XBUS_LED_GREEN;
+		break;
+
+	default:
+		break;
+	}
+
+	restore_flags(flags);
+
+	*XBUS_LEDS = led_state;
+}