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Searched refs:duty_cycle (Results 1 – 25 of 64) sorted by relevance

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/linux/drivers/pwm/
H A Dpwm-gpio.c52 dividend = dest->duty_cycle; in pwm_gpio_round()
54 dest->duty_cycle -= remainder; in pwm_gpio_round()
65 if (!state->duty_cycle || state->duty_cycle == state->period) { in pwm_gpio_toggle()
71 return level ? state->duty_cycle : state->period - state->duty_cycle; in pwm_gpio_toggle()
87 new_level = !!gpwm->state.duty_cycle; in pwm_gpio_timer()
106 if (state->duty_cycle && state->duty_cycle < hrtimer_resolution) in pwm_gpio_apply()
109 if (state->duty_cycle != state->period && in pwm_gpio_apply()
110 (state->period - state->duty_cycle < hrtimer_resolution)) in pwm_gpio_apply()
144 next_toggle = pwm_gpio_toggle(gpwm, !!state->duty_cycle); in pwm_gpio_apply()
H A Dpwm-sl28cpld.c74 #define SL28CPLD_PWM_FROM_DUTY_CYCLE(duty_cycle) \ argument
75 (DIV_ROUND_DOWN_ULL((duty_cycle), NSEC_PER_SEC / SL28CPLD_PWM_CLK))
108 state->duty_cycle = SL28CPLD_PWM_TO_DUTY_CYCLE(reg); in sl28cpld_pwm_get_state()
119 state->duty_cycle = min(state->duty_cycle, state->period); in sl28cpld_pwm_get_state()
151 cycle = SL28CPLD_PWM_FROM_DUTY_CYCLE(state->duty_cycle); in sl28cpld_pwm_apply()
H A Dpwm-iqs620a.c71 unsigned int duty_cycle; in iqs620_pwm_apply() local
95 duty_cycle = min_t(u64, state->duty_cycle, IQS620_PWM_PERIOD_NS); in iqs620_pwm_apply()
96 duty_scale = duty_cycle * 256 / IQS620_PWM_PERIOD_NS; in iqs620_pwm_apply()
128 state->duty_cycle = DIV_ROUND_UP(iqs620_pwm->duty_scale * in iqs620_pwm_get_state()
H A Dpwm-adp5585.c73 u64 period, duty_cycle; in pwm_adp5585_apply() local
90 duty_cycle = min(state->duty_cycle, period); in pwm_adp5585_apply()
96 on = div_u64(duty_cycle, NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ); in pwm_adp5585_apply()
141 state->duty_cycle = on * (NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ); in pwm_adp5585_get_state()
H A Dpwm-intel-lgm.c66 u32 duty_cycle, val; in lgm_pwm_apply() local
76 duty_cycle = min_t(u64, state->duty_cycle, pc->period); in lgm_pwm_apply()
77 val = duty_cycle * LGM_PWM_MAX_DUTY_CYCLE / pc->period; in lgm_pwm_apply()
100 state->duty_cycle = DIV_ROUND_UP(duty * pc->period, LGM_PWM_MAX_DUTY_CYCLE); in lgm_pwm_get_state()
H A Dpwm-sifive.c145 state->duty_cycle = DIV_ROUND_UP_ULL((u64)duty * ddata->real_period, in pwm_sifive_get_state()
157 unsigned int duty_cycle; in pwm_sifive_apply() local
170 duty_cycle = state->duty_cycle; in pwm_sifive_apply()
172 duty_cycle = 0; in pwm_sifive_apply()
180 num = (u64)duty_cycle * (1U << PWM_SIFIVE_CMPWIDTH); in pwm_sifive_apply()
H A Dpwm-pxa.c106 u64 duty_cycle; in pxa_pwm_apply() local
116 duty_cycle = state->enabled ? state->duty_cycle : 0; in pxa_pwm_apply()
118 err = pxa_pwm_config(chip, pwm, duty_cycle, state->period); in pxa_pwm_apply()
H A Dpwm-microchip-core.c143 duty_steps = mul_u64_u64_div_u64(state->duty_cycle, clk_rate, tmp); in mchp_core_pwm_calc_duty()
408 state->duty_cycle = state->period; in mchp_core_pwm_get_state()
412 state->duty_cycle = duty_steps * (prescale + 1) * NSEC_PER_SEC; in mchp_core_pwm_get_state()
413 state->duty_cycle = DIV64_U64_ROUND_UP(state->duty_cycle, rate); in mchp_core_pwm_get_state()
H A Dpwm-dwc-core.c52 tmp = DIV_ROUND_CLOSEST_ULL(state->duty_cycle, dwc->clk_ns); in __dwc_pwm_configure_timer()
57 tmp = DIV_ROUND_CLOSEST_ULL(state->period - state->duty_cycle, in __dwc_pwm_configure_timer()
150 state->duty_cycle = duty; in dwc_pwm_get_state()
H A Dpwm-crc.c75 if (pwm_get_duty_cycle(pwm) != state->duty_cycle || in crc_pwm_apply()
77 u64 level = state->duty_cycle * PWM_MAX_LEVEL; in crc_pwm_apply()
146 state->duty_cycle = in crc_pwm_get_state()
H A Dpwm-sunplus.c106 if (state->duty_cycle == state->period) { in sunplus_pwm_apply()
115 duty = mul_u64_u64_div_u64(state->duty_cycle, clk_rate, in sunplus_pwm_apply()
149 state->duty_cycle = DIV64_U64_ROUND_UP((u64)dd_freq * (u64)duty * NSEC_PER_SEC, in sunplus_pwm_get_state()
H A Dpwm-apple.c56 state->duty_cycle, NSEC_PER_SEC); in apple_pwm_apply()
90 state->duty_cycle = DIV64_U64_ROUND_UP((u64)on_cycles * NSEC_PER_SEC, fpwm->clkrate); in apple_pwm_get_state()
/linux/drivers/media/rc/
H A Dpwm-ir-tx.c26 u32 duty_cycle; member
39 static int pwm_ir_set_duty_cycle(struct rc_dev *dev, u32 duty_cycle) in pwm_ir_set_duty_cycle() argument
43 pwm_ir->duty_cycle = duty_cycle; in pwm_ir_set_duty_cycle()
73 pwm_set_relative_duty_cycle(&state, pwm_ir->duty_cycle, 100); in pwm_ir_tx_sleep()
103 pwm_set_relative_duty_cycle(&state, pwm_ir->duty_cycle, 100); in pwm_ir_tx_atomic()
161 pwm_ir->duty_cycle = 50; in pwm_ir_probe()
H A Dmeson-ir-tx.c72 unsigned int duty_cycle; member
82 unsigned int pulse_cnt = DIV_ROUND_CLOSEST(cnt * ir->duty_cycle, 100); in meson_irtx_set_mod()
228 static int meson_irtx_set_duty_cycle(struct rc_dev *rc, u32 duty_cycle) in meson_irtx_set_duty_cycle() argument
232 ir->duty_cycle = duty_cycle; in meson_irtx_set_duty_cycle()
331 ir->duty_cycle = MIRTX_DEFAULT_DUTY_CYCLE; in meson_irtx_probe()
H A Dserial_ir.c136 unsigned int duty_cycle; member
186 if (serial_ir.duty_cycle > 50) in send_pulse_irdeo()
226 pulse = DIV_ROUND_CLOSEST(serial_ir.duty_cycle * (NSEC_PER_SEC / 100), in send_pulse_homebrew_softcarrier()
228 space = DIV_ROUND_CLOSEST((100 - serial_ir.duty_cycle) * in send_pulse_homebrew_softcarrier()
568 serial_ir.duty_cycle = 50; in serial_ir_probe()
673 serial_ir.duty_cycle = cycle; in serial_ir_tx_duty_cycle()
/linux/Documentation/translations/zh_CN/scheduler/
H A Dsched-capacity.rst132 task_util(p) = duty_cycle(p)
148 可以算出 duty_cycle(p) == 25%。
157 可以算出 duty_cycle(p) == 50%，尽管两次执行中，任务的行为完全一致（也就是说，执行的工作量
162 task_util_freq_inv(p) = duty_cycle(p) * (curr_frequency(cpu) / max_frequency(cpu))
191 - duty_cycle(p) == 25%，如果任务p在CPU0上按最大频率运行。
192 - duty_cycle(p) == 75%，如果任务p在CPU1上按最大频率运行。
196 task_util_cpu_inv(p) = duty_cycle(p) * (capacity(cpu) / max_capacity)
208 task_util_inv(p) = duty_cycle(p) * ------------------- * -------------
/linux/drivers/video/backlight/
H A Dpwm_bl.c78 u64 duty_cycle; in compute_duty_cycle() local
81 duty_cycle = pb->levels[brightness]; in compute_duty_cycle()
83 duty_cycle = brightness; in compute_duty_cycle()
85 duty_cycle *= state->period - lth; in compute_duty_cycle()
86 do_div(duty_cycle, pb->scale); in compute_duty_cycle()
88 return duty_cycle + lth; in compute_duty_cycle()
102 state.duty_cycle = compute_duty_cycle(pb, brightness, &state); in pwm_backlight_update_status()
111 state.duty_cycle = 0; in pwm_backlight_update_status()
624 state.duty_cycle = 0; in pwm_backlight_remove()
640 state.duty_cycle = 0; in pwm_backlight_shutdown()
[all …]
/linux/drivers/net/wireless/ath/ath9k/
H A Dmci.c106 (100 - btcoex->duty_cycle) / 100; in ath_mci_adjust_aggr_limit()
132 btcoex->duty_cycle = ath_mci_duty_cycle[num_profile]; in ath_mci_update_scheme()
149 btcoex->duty_cycle = 30; in ath_mci_update_scheme()
160 btcoex->duty_cycle = AR_SREV_9565(sc->sc_ah) ? 40 : 35; in ath_mci_update_scheme()
164 btcoex->duty_cycle, btcoex->btcoex_period); in ath_mci_update_scheme()
166 btcoex->duty_cycle = 30; in ath_mci_update_scheme()
174 btcoex->duty_cycle = 30; in ath_mci_update_scheme()
178 btcoex->duty_cycle); in ath_mci_update_scheme()
199 btcoex->duty_cycle += (mci->num_bdr ? ATH_MCI_BDR_DUTY_CYCLE : 0); in ath_mci_update_scheme()
200 if (btcoex->duty_cycle > ATH_MCI_MAX_DUTY_CYCLE) in ath_mci_update_scheme()
[all …]
/linux/include/trace/events/
H A Dpwm.h141 __field(u64, duty_cycle)
149 __entry->duty_cycle = state->duty_cycle;
156 __entry->period, __entry->duty_cycle,
/linux/drivers/leds/
H A Dleds-cpcap.c73 static u16 cpcap_led_val(u8 current_limit, u8 duty_cycle) in cpcap_led_val() argument
76 duty_cycle &= 0x0f; /* 4 bit */ in cpcap_led_val()
78 return current_limit << 4 | duty_cycle; in cpcap_led_val()
/linux/drivers/media/i2c/cx25840/
H A Dcx25840-ir.c439 unsigned int duty_cycle) in cduty_tx_s_duty_cycle() argument
442 n = DIV_ROUND_CLOSEST(duty_cycle * 100, 625); /* 16ths of 100% */ in cduty_tx_s_duty_cycle()
769 p->duty_cycle = 50; in cx25840_ir_rx_s_parameters()
770 o->duty_cycle = p->duty_cycle; in cx25840_ir_rx_s_parameters()
955 p->duty_cycle = cduty_tx_s_duty_cycle(c, p->duty_cycle); in cx25840_ir_tx_s_parameters()
956 o->duty_cycle = p->duty_cycle; in cx25840_ir_tx_s_parameters()
1181 .duty_cycle = 25, /* 25 % - RC-5 carrier */
/linux/drivers/hwmon/
H A Dpwm-fan.c189 state->duty_cycle = 0; in pwm_fan_power_off()
217 update = state->duty_cycle < ctx->pwm_duty_cycle_from_stopped; in __set_pwm()
219 state->duty_cycle = ctx->pwm_duty_cycle_from_stopped; in __set_pwm()
221 state->duty_cycle = DIV_ROUND_UP(pwm * (period - 1), MAX_PWM); in __set_pwm()
228 state->duty_cycle = DIV_ROUND_UP(pwm * (period - 1), MAX_PWM); in __set_pwm()
295 state->duty_cycle = 0; in pwm_fan_update_enable()
H A Daspeed-g6-pwm-tach.c178 state->duty_cycle = DIV_ROUND_UP_ULL(dividend, priv->clk_rate); in aspeed_pwm_get_state()
180 state->duty_cycle = clk_en ? state->period : 0; in aspeed_pwm_get_state()
198 expect_period, state->duty_cycle); in aspeed_pwm_apply()
223 duty_pt = div64_u64(state->duty_cycle * priv->clk_rate, in aspeed_pwm_apply()
226 state->duty_cycle, duty_pt); in aspeed_pwm_apply()
/linux/drivers/media/pci/cx23885/
H A Dcx23888-ir.c459 unsigned int duty_cycle) in cduty_tx_s_duty_cycle() argument
462 n = DIV_ROUND_CLOSEST(duty_cycle * 100, 625); /* 16ths of 100% */ in cduty_tx_s_duty_cycle()
748 o->duty_cycle = p->duty_cycle = 50; in cx23888_ir_rx_s_parameters()
875 p->duty_cycle = cduty_tx_s_duty_cycle(dev, p->duty_cycle); in cx23888_ir_tx_s_parameters()
876 o->duty_cycle = p->duty_cycle; in cx23888_ir_tx_s_parameters()
1133 .duty_cycle = 25, /* 25 % - RC-5 carrier */
/linux/drivers/regulator/
H A Dpwm-regulator.c162 pstate.duty_cycle = pstate.period; in pwm_regulator_get_voltage()
164 pstate.duty_cycle = 0; in pwm_regulator_get_voltage()
343 pstate.duty_cycle = pstate.period; in pwm_regulator_init_boot_on()
345 pstate.duty_cycle = 0; in pwm_regulator_init_boot_on()

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