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/freebsd/sys/contrib/device-tree/Bindings/leds/backlight/
H A Dpwm-backlight.yaml47 Number of interpolated steps between each value of brightness-levels
49 having to list out every possible value in the brightness-level array.
53 default-brightness-level: [brightness-levels]
54 num-interpolated-steps: [brightness-levels]
68 brightness-levels = <0 4 8 16 32 64 128 255>;
69 default-brightness-level = <6>;
83 brightness-levels = <0 2048 4096 8192 16384 65535>;
85 default-brightness-level = <4096>;
H A Dpwm-backlight.txt17 - brightness-levels: Array of distinct brightness levels. Typically these
19 0 will do. The actual brightness level (PWM duty cycle)
23 - default-brightness-level: The default brightness level (index into the
24 array defined by the "brightness-levels" property).
26 of brightness-levels table. This way a high
29 brightness-level array.
40 brightness-levels = <0 4 8 16 32 64 128 255>;
41 default-brightness-level = <6>;
55 brightness-levels = <0 2048 4096 8192 16384 65535>;
57 default-brightness-level = <4096>;
H A Dled-backlight.txt12 - brightness-levels: Array of distinct brightness levels. The levels must be
14 This is used to translate a backlight brightness level
15 into a LED brightness level. If it is not provided, the
18 - default-brightness-level: The default brightness level.
26 brightness-levels = <0 4 8 16 32 64 128 255>;
27 default-brightness-level = <6>;
H A Dled-backlight.yaml44 brightness-levels = <0 4 8 16 32 64 128 255>;
45 default-brightness-level = <6>;
H A Dti,lm3509.yaml32 ti,brightness-rate-of-change-us:
33 description: Brightness Rate of Change in microseconds.
66 default-brightness:
71 max-brightness:
100 ti,brightness-rate-of-change-us = <52000>;
109 default-brightness = <12>;
110 max-brightness = <31>;
128 default-brightness = <12>;
133 default-brightness = <15>;
H A Dcommon.yaml20 default-brightness:
22 The default brightness that should be applied to the LED by the operating
23 system on start-up. The brightness should not exceed the brightness the
27 max-brightness:
29 Normally the maximum brightness is determined by the hardware and this
31 on the brightness apart from what the driver says, as it could happen
36 brightness-levels:
38 Array of distinct brightness levels. The levels must be in the range
42 The 0 value means a 0% of brightness (darkes
[all...]
H A Dlm3630a-backlight.yaml70 default-brightness:
71 description: Default brightness level on boot.
75 max-brightness:
76 description: Maximum brightness that is allowed during runtime.
113 default-brightness = <200>;
114 max-brightness = <255>;
132 default-brightness = <150>;
138 default-brightness = <225>;
H A Dqcom-wled.yaml33 default-brightness:
35 brightness value on boot.
39 max-brightness:
41 Maximum brightness level.
146 Selects the modulator used for brightness modulation.
157 Selects the CABC pin signal used for brightness modulation.
224 default-brightness:
228 max-brightness:
234 default-brightness:
238 max-brightness:
H A Dmediatek,mt6370-backlight.yaml29 default-brightness:
32 max-brightness:
79 Enable the exponential mode of backlight brightness. If this property
103 default-brightness:
106 max-brightness:
111 default-brightness:
114 max-brightness:
H A Dkinetic,ktd2801.yaml28 default-brightness: true
29 max-brightness: true
44 max-brightness = <210>;
45 default-brightness = <100>;
/freebsd/sys/contrib/device-tree/Bindings/leds/
H A Dleds-trigger-pattern.txt3 The pattern is given by a series of tuples, of brightness and duration (ms).
4 The LED is expected to traverse the series and each brightness value for the
5 specified duration. Duration of 0 means brightness should immediately change to
10 change of brightness, i.e. the subsequent brightness will be applied without
22 LED brightness
31 2. To make the LED go instantly from one brightness value to another, we should
32 use zero-time lengths (the brightness must be same as the previous tuple's). So
39 It will make the LED stay off for one second, then stay at max brightness for
42 LED brightness
H A Dleds-netxbig.txt18 - bright-addr: Brightness register address on gpio-ext bus.
19 - max-brightness: Maximum brightness value.
43 max-brightness = <7>;
52 max-brightness = <7>;
62 max-brightness = <7>;
71 max-brightness = <7>;
81 max-brightness = <7>;
90 max-brightness = <7>;
H A Dleds-pwm.yaml32 max-brightness:
34 Maximum brightness possible for the LED
39 - max-brightness
54 max-brightness = <127>;
61 max-brightness = <255>;
H A Dleds-pwm.txt15 - max-brightness : Maximum brightness possible for the LED
42 max-brightness = <127>;
48 max-brightness = <255>;
/freebsd/sys/dev/pwm/
H A Dpwm_backlight.c115 if (OF_hasprop(node, "brightness-levels")) { in pwm_backlight_attach()
116 sc->nlevels = OF_getencprop_alloc(node, "brightness-levels", in pwm_backlight_attach()
119 device_printf(dev, "Cannot parse brightness levels\n"); in pwm_backlight_attach()
124 if (OF_getencprop(node, "default-brightness-level", in pwm_backlight_attach()
126 device_printf(dev, "No default-brightness-level while brightness-levels is specified\n"); in pwm_backlight_attach()
130 device_printf(dev, "default-brightness-level isn't present in brightness-levels range\n"); in pwm_backlight_attach()
220 props->brightness); in pwm_backlight_update_status()
227 if (props->brightness > 100 || props->brightness < 0) in pwm_backlight_update_status()
230 props->brightness / 100; in pwm_backlight_update_status()
242 if (props->brightness > 0) { in pwm_backlight_update_status()
[all …]
/freebsd/sys/contrib/device-tree/Bindings/mfd/
H A Dti-lmu.txt29 - ramp-up-us: Current ramping from one brightness level to
30 the a higher brightness level.
32 - ramp-down-us: Current ramping from one brightness level to
33 the a lower brightness level.
35 - ti,brightness-resolution - This determines whether to use 8 bit brightness
36 mode or 11 bit brightness mode. If this value is
38 8bit brightness mode per 7.3.4.1 of the data
42 have a common brightness register or individual
43 brightness registers.
/freebsd/usr.bin/backlight/
H A Dbacklight.c148 errx(1, "Cannot parse brightness level %s: %s", in main()
174 printf("%u\n", props.brightness); in main()
176 printf("brightness: %d\n", props.brightness); in main()
188 props.brightness = percent; in main()
201 props.brightness += percent; in main()
202 if ((int)props.brightness < 0) in main()
203 props.brightness = 0; in main()
204 if (props.brightness > 100) in main()
205 props.brightness = 100; in main()
H A Dbacklight.851 utility can be used to configure brightness levels for registered backlights.
53 Called without any arguments it will print the current brightness level
69 When querying the brightness level only print the value.
71 Set the brightness level to this value, must be between 0 and 100.
83 Show the current brightness level:
86 brightness: 98
/freebsd/sys/compat/linuxkpi/common/include/linux/
H A Dbacklight.h43 int brightness; member
89 bd->props.brightness = bd->ops->get_brightness(bd); in backlight_force_update()
96 return (bd->props.brightness); in backlight_get_brightness()
100 backlight_device_set_brightness(struct backlight_device *bd, int brightness) in backlight_device_set_brightness() argument
103 if (brightness > bd->props.max_brightness) in backlight_device_set_brightness()
105 bd->props.brightness = brightness; in backlight_device_set_brightness()
/freebsd/share/man/man4/
H A Dacpi_video.436 backlight brightness.
52 List of supported brightness levels.
53 .It Va hw.acpi.video. Ns Ao Ar device Ac Ns Va .brightness
54 Current brightness level of the device.
56 Preset brightness level to be used in full power mode.
58 Preset brightness level to be used in economy mode.
H A Dacpi_ibm.4127 Fn + Home (Brightness up)
129 Fn + End (Brightness down)
218 Fn + Home (Brightness up)
220 Fn + End (Brightness down)
264 Brightness Up/Down Button
269 Current brightness level of the display.
355 Note that the event maybe handled twice (e.g., Brightness up/down) if ACPI BIOS
421 MESSAGE="brightness level ${PERCENT}%"
471 0x10 (Brightness up) and 0x11 (Brightness down) are handled by
H A Dacpi_panasonic.450 changing LCD brightness, controlling mixer volumes, entering sleep or
63 The third and last is to provide a way to adjust LCD brightness and
142 The maximum level of brightness.
146 The minimum level of brightness.
150 Current brightness level of the LCD (read-write).
/freebsd/sys/contrib/device-tree/src/arm/marvell/
H A Dkirkwood-net5big.dts97 max-brightness = <7>;
106 max-brightness = <7>;
116 max-brightness = <7>;
125 max-brightness = <7>;
135 max-brightness = <7>;
144 max-brightness = <7>;
H A Dkirkwood-netxbig.dtsi134 max-brightness = <7>;
143 max-brightness = <7>;
153 max-brightness = <7>;
162 max-brightness = <7>;
172 max-brightness = <7>;
181 max-brightness = <7>;
/freebsd/sys/dev/gpio/
H A Dgpiobacklight.c72 int brightness; in gpiobacklight_sysctl() local
76 brightness = sc->sc_brightness; in gpiobacklight_sysctl()
77 error = sysctl_handle_int(oidp, &brightness, 0, req); in gpiobacklight_sysctl()
82 sc->sc_brightness = (brightness > 0); in gpiobacklight_sysctl()
132 "brightness", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0, in gpiobacklight_attach()
133 gpiobacklight_sysctl, "I", "backlight brightness"); in gpiobacklight_attach()

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