#define __LINUX_PWM_H
#include <linux/err.h>
+#include <linux/mutex.h>
#include <linux/of.h>
struct pwm_device;
* @pwm: global index of the PWM device
* @chip: PWM chip providing this PWM device
* @chip_data: chip-private data associated with the PWM device
+ * @lock: used to serialize accesses to the PWM device where necessary
* @period: period of the PWM signal (in nanoseconds)
* @duty_cycle: duty cycle of the PWM signal (in nanoseconds)
* @polarity: polarity of the PWM signal
unsigned int pwm;
struct pwm_chip *chip;
void *chip_data;
+ struct mutex lock;
unsigned int period;
unsigned int duty_cycle;