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* linux/arch/arm/mach-pxa/leds-lubbock.c
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* Copyright (C) 2000 John Dorsey <john+@cs.cmu.edu>
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* Copyright (c) 2001 Jeff Sutherland <jeffs@accelent.com>
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* Original (leds-footbridge.c) by Russell King
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* Major surgery on April 2004 by Nicolas Pitre for less global
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* namespace collision. Mostly adapted the Mainstone version.
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#include <linux/init.h>
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#include <mach/hardware.h>
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#include <asm/system.h>
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#include <mach/pxa25x.h>
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#include <mach/lubbock.h>
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* 8 discrete leds available for general use:
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* Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
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* so be sure to not monkey with them here.
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#define LED_STATE_ENABLED 1
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#define LED_STATE_CLAIMED 2
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static unsigned int led_state;
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static unsigned int hw_led_state;
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void lubbock_leds_event(led_event_t evt)
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local_irq_save(flags);
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led_state = LED_STATE_ENABLED;
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led_state &= ~LED_STATE_ENABLED;
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led_state |= LED_STATE_CLAIMED;
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led_state &= ~LED_STATE_CLAIMED;
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#ifdef CONFIG_LEDS_TIMER
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#ifdef CONFIG_LEDS_CPU
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hw_led_state &= ~D22;
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hw_led_state &= ~D23;
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if (led_state & LED_STATE_ENABLED)
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LUB_DISC_BLNK_LED = (LUB_DISC_BLNK_LED | 0xff) & ~hw_led_state;
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LUB_DISC_BLNK_LED |= 0xff;
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local_irq_restore(flags);