async: make sure independent async domains can't accidentally entangle
[linux-2.6/mini2440.git] / include / linux / leds-pca9532.h
blob96eea90f01a87711440b6fd3162e2d40d38269b4
1 /*
2 * pca9532.h - platform data structure for pca9532 led controller
4 * Copyright (C) 2008 Riku Voipio <riku.voipio@movial.fi>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * Datasheet: http://www.nxp.com/acrobat/datasheets/PCA9532_3.pdf
14 #ifndef __LINUX_PCA9532_H
15 #define __LINUX_PCA9532_H
17 #include <linux/leds.h>
18 #include <linux/workqueue.h>
20 enum pca9532_state {
21 PCA9532_OFF = 0x0,
22 PCA9532_ON = 0x1,
23 PCA9532_PWM0 = 0x2,
24 PCA9532_PWM1 = 0x3
27 enum pca9532_type { PCA9532_TYPE_NONE, PCA9532_TYPE_LED,
28 PCA9532_TYPE_N2100_BEEP };
30 struct pca9532_led {
31 u8 id;
32 struct i2c_client *client;
33 char *name;
34 struct led_classdev ldev;
35 struct work_struct work;
36 enum pca9532_type type;
37 enum pca9532_state state;
40 struct pca9532_platform_data {
41 struct pca9532_led leds[16];
42 u8 pwm[2];
43 u8 psc[2];
46 #endif /* __LINUX_PCA9532_H */