PWMCH_OFFSET       50 drivers/pwm/pwm-sun4i.c #define PWM_REG_PRESCAL(reg, chan)	(((reg) >> ((chan) * PWMCH_OFFSET)) & PWM_PRESCAL_MASK)
PWMCH_OFFSET       52 drivers/pwm/pwm-sun4i.c #define BIT_CH(bit, chan)	((bit) << ((chan) * PWMCH_OFFSET))