ACPI: thinkpad-acpi: preserve radio state across shutdown
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / linux / pwm.h
blob3945f803d514536b30931aff8df5489fec1f0126
1 #ifndef __LINUX_PWM_H
2 #define __LINUX_PWM_H
4 struct pwm_device;
6 /*
7 * pwm_request - request a PWM device
8 */
9 struct pwm_device *pwm_request(int pwm_id, const char *label);
12 * pwm_free - free a PWM device
14 void pwm_free(struct pwm_device *pwm);
17 * pwm_config - change a PWM device configuration
19 int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns);
22 * pwm_enable - start a PWM output toggling
24 int pwm_enable(struct pwm_device *pwm);
27 * pwm_disable - stop a PWM output toggling
29 void pwm_disable(struct pwm_device *pwm);
31 #endif /* __ASM_ARCH_PWM_H */