diff options
| author | Antonio Ospite <ospite@studenti.unina.it> | 2009-12-07 15:08:13 +0100 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2009-12-17 11:27:09 +0000 |
| commit | d4cc6a2eee98faebf2c7d3ebc4b35541c1d47d21 (patch) | |
| tree | 7700367133fbb2041939a0fc734340f24d1f2113 /include | |
| parent | 3c0f6e1eddeddd95ed04d4a7f0e55ab0aa99adf9 (diff) | |
leds: Add LED class driver for regulator driven LEDs.
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/leds-regulator.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/leds-regulator.h b/include/linux/leds-regulator.h new file mode 100644 index 00000000000..5a8eb389aab --- /dev/null +++ b/include/linux/leds-regulator.h @@ -0,0 +1,46 @@ +/* + * leds-regulator.h - platform data structure for regulator driven LEDs. + * + * Copyright (C) 2009 Antonio Ospite <ospite@studenti.unina.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __LINUX_LEDS_REGULATOR_H +#define __LINUX_LEDS_REGULATOR_H + +/* + * Use "vled" as supply id when declaring the regulator consumer: + * + * static struct regulator_consumer_supply pcap_regulator_VVIB_consumers [] = { + * { .dev_name = "leds-regulator.0", supply = "vled" }, + * }; + * + * If you have several regulator driven LEDs, you can append a numerical id to + * .dev_name as done above, and use the same id when declaring the platform + * device: + * + * static struct led_regulator_platform_data a780_vibrator_data = { + * .name = "a780::vibrator", + * }; + * + * static struct platform_device a780_vibrator = { + * .name = "leds-regulator", + * .id = 0, + * .dev = { + * .platform_data = &a780_vibrator_data, + * }, + * }; + */ + +#include <linux/leds.h> + +struct led_regulator_platform_data { + char *name; /* LED name as expected by LED class */ + enum led_brightness brightness; /* initial brightness value */ +}; + +#endif /* __LINUX_LEDS_REGULATOR_H */ |