mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
934cd3f979
Apparently these might be called under atomic context, and i2c operations may sleep. BUG found by Ross Burton <ross@burtonini.com> Signed-off-by: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
48 lines
1020 B
C
48 lines
1020 B
C
/*
|
|
* pca9532.h - platform data structure for pca9532 led controller
|
|
*
|
|
* Copyright (C) 2008 Riku Voipio <riku.voipio@movial.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* Datasheet: http://www.nxp.com/acrobat/datasheets/PCA9532_3.pdf
|
|
*
|
|
*/
|
|
|
|
#ifndef __LINUX_PCA9532_H
|
|
#define __LINUX_PCA9532_H
|
|
|
|
#include <linux/leds.h>
|
|
#include <linux/workqueue.h>
|
|
|
|
enum pca9532_state {
|
|
PCA9532_OFF = 0x0,
|
|
PCA9532_ON = 0x1,
|
|
PCA9532_PWM0 = 0x2,
|
|
PCA9532_PWM1 = 0x3
|
|
};
|
|
|
|
enum pca9532_type { PCA9532_TYPE_NONE, PCA9532_TYPE_LED,
|
|
PCA9532_TYPE_N2100_BEEP };
|
|
|
|
struct pca9532_led {
|
|
u8 id;
|
|
struct i2c_client *client;
|
|
char *name;
|
|
struct led_classdev ldev;
|
|
struct work_struct work;
|
|
enum pca9532_type type;
|
|
enum pca9532_state state;
|
|
};
|
|
|
|
struct pca9532_platform_data {
|
|
struct pca9532_led leds[16];
|
|
u8 pwm[2];
|
|
u8 psc[2];
|
|
};
|
|
|
|
#endif /* __LINUX_PCA9532_H */
|
|
|