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This driver provides an interface for controlling LEDs (or vibrators) connected to PMICs for which there is a regulator framework driver. This driver can be used, for instance, to control vibrator on all Motorola EZX phones using the pcap-regulator driver services. Signed-off-by: Antonio Ospite <ospite@studenti.unina.it> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* leds-regulator.h - platform data structure for regulator driven LEDs.
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*
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* Copyright (C) 2009 Antonio Ospite <ospite@studenti.unina.it>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __LINUX_LEDS_REGULATOR_H
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#define __LINUX_LEDS_REGULATOR_H
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/*
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* Use "vled" as supply id when declaring the regulator consumer:
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*
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* static struct regulator_consumer_supply pcap_regulator_VVIB_consumers [] = {
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* { .dev_name = "leds-regulator.0", supply = "vled" },
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* };
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*
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* If you have several regulator driven LEDs, you can append a numerical id to
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* .dev_name as done above, and use the same id when declaring the platform
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* device:
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*
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* static struct led_regulator_platform_data a780_vibrator_data = {
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* .name = "a780::vibrator",
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* };
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*
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* static struct platform_device a780_vibrator = {
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* .name = "leds-regulator",
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* .id = 0,
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* .dev = {
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* .platform_data = &a780_vibrator_data,
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* },
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* };
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*/
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#include <linux/leds.h>
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struct led_regulator_platform_data {
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char *name; /* LED name as expected by LED class */
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enum led_brightness brightness; /* initial brightness value */
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};
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#endif /* __LINUX_LEDS_REGULATOR_H */
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