set_irq_type() -- 设置中断触发类型/方式
------------------------------------------------/*** set_irq_type - set the irq type for an irq* @irq: irq number* @type: interrupt type - see include/linux/interrupt.h*/int
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/** * set_irq_type - set the irq type for an irq * @irq: irq number * @type: interrupt type - see include/linux/interrupt.h */ int set_irq_type(unsigned int irq, unsigned int type) linux-2.6.21.7/include/linux/interrupt.h ------------------------------------------------ #define IRQF_TRIGGER_NONE 0x00000000 #define IRQF_TRIGGER_RISING 0x00000001 /* 上升沿触发中断 */ #define IRQF_TRIGGER_FALLING 0x00000002 #define IRQF_TRIGGER_HIGH 0x00000004 #define IRQF_TRIGGER_LOW 0x00000008 #define IRQF_TRIGGER_MASK (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW | \ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING) #define IRQF_TRIGGER_PROBE 0x00000010 |
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