Home
last modified time | relevance | path

Searched refs:backlight (Results 1 – 25 of 510) sorted by relevance

12345678910>>...21

/linux/Documentation/ABI/testing/
H A Dsysfs-class-backlight1 What: /sys/class/backlight/<backlight>/scale
28 What: /sys/class/backlight/<backlight>/ambient_light_level
49 What: /sys/class/backlight/<backlight>/ambient_light_zone
57 backlight operates.
85 /sys/class/backlight/<backlight>/max_brightness to
86 /sys/class/backlight/<backlight>/brightness.
88 What: /sys/class/backlight/<backlight>/<ambient light zone>_max
94 on this <backlight>. Values are between 0 and 127. This file
106 daylight /sys/class/backlight/<backlight>/daylight_max
107 office /sys/class/backlight/<backlight>/office_max
[all …]
H A Dsysfs-class-backlight-driver-lm35331 What: /sys/class/backlight/<backlight>/als_channel
10 0 out_current0 (backlight 0)
11 1 out_current1 (backlight 1)
14 What: /sys/class/backlight/<backlight>/als_en
21 What: /sys/class/backlight/<backlight>/id
26 Get the id of this backlight (0, 1).
28 What: /sys/class/backlight/<backlight>/linear
40 What: /sys/class/backlight/<backlight>/pwm
H A Dsysfs-class-backlight-lm36391 sysfs interface for Texas Instruments lm3639 backlight + flash led driver chip
4 What: /sys/class/backlight/<backlight>/bled_mode
9 (WO) Write to the backlight mapping mode. The backlight current
/linux/drivers/gpu/drm/i915/display/
H A Dintel_dp_aux_backlight.c157 panel->backlight.edp.intel_cap.sdr_uses_aux = in intel_dp_aux_supports_hdr_backlight()
159 panel->backlight.edp.intel_cap.supports_2084_decode = in intel_dp_aux_supports_hdr_backlight()
161 panel->backlight.edp.intel_cap.supports_2020_gamut = in intel_dp_aux_supports_hdr_backlight()
163 panel->backlight.edp.intel_cap.supports_segmented_backlight = in intel_dp_aux_supports_hdr_backlight()
165 panel->backlight.edp.intel_cap.supports_sdp_colorimetry = in intel_dp_aux_supports_hdr_backlight()
167 panel->backlight.edp.intel_cap.supports_tone_mapping = in intel_dp_aux_supports_hdr_backlight()
190 if (!panel->backlight.edp.intel_cap.sdr_uses_aux) { in intel_dp_aux_hdr_get_backlight()
191 u32 pwm_level = panel->backlight.pwm_funcs->get(connector, pipe); in intel_dp_aux_hdr_get_backlight()
197 return panel->backlight.max; in intel_dp_aux_hdr_get_backlight()
235 panel->backlight.edp.intel_cap.sdr_uses_aux) { in intel_dp_aux_hdr_set_backlight()
[all …]
/linux/drivers/gpu/drm/tilcdc/
H A Dtilcdc_panel.c28 struct backlight_device *backlight; member
47 struct backlight_device *backlight = panel_encoder->mod->backlight; in panel_encoder_dpms() local
50 if (backlight) { in panel_encoder_dpms()
51 backlight->props.power = mode == DRM_MODE_DPMS_ON ? in panel_encoder_dpms()
53 backlight_update_status(backlight); in panel_encoder_dpms()
307 struct backlight_device *backlight; in panel_probe() local
322 backlight = devm_of_find_backlight(&pdev->dev); in panel_probe()
323 if (IS_ERR(backlight)) in panel_probe()
324 return PTR_ERR(backlight); in panel_probe()
325 panel_mod->backlight = backlight; in panel_probe()
[all …]
/linux/drivers/hid/
H A Dhid-picolcd_backlight.c71 data->backlight = bdev; in picolcd_init_backlight()
78 struct backlight_device *bdev = data->backlight; in picolcd_exit_backlight()
80 data->backlight = NULL; in picolcd_exit_backlight()
86 if (!data->backlight) in picolcd_resume_backlight()
88 return picolcd_set_brightness(data->backlight); in picolcd_resume_backlight()
95 if (!data->backlight) in picolcd_suspend_backlight()
98 data->backlight->props.power = BACKLIGHT_POWER_OFF; in picolcd_suspend_backlight()
99 picolcd_set_brightness(data->backlight); in picolcd_suspend_backlight()
100 data->lcd_power = data->backlight->props.power = bl_power; in picolcd_suspend_backlight()
H A Dhid-apple.c103 u16 backlight; member
120 struct apple_sc_backlight *backlight; member
802 rep->backlight = value; in apple_backlight_set()
815 struct apple_sc_backlight *backlight = container_of(led_cdev, in apple_backlight_led_set() local
818 return apple_backlight_set(backlight->hdev, brightness, 0); in apple_backlight_led_set()
849 asc->backlight = devm_kzalloc(&hdev->dev, sizeof(*asc->backlight), GFP_KERNEL); in apple_backlight_init()
850 if (!asc->backlight) { in apple_backlight_init()
855 asc->backlight->hdev = hdev; in apple_backlight_init()
856 asc->backlight->cdev.name = "apple::kbd_backlight"; in apple_backlight_init()
857 asc->backlight->cdev.max_brightness = rep->backlight_on_max; in apple_backlight_init()
[all …]
H A Dhid-corsair.c43 struct k90_led *backlight; member
430 drvdata->backlight = kzalloc(sizeof(struct k90_led), GFP_KERNEL); in k90_init_backlight()
431 if (!drvdata->backlight) { in k90_init_backlight()
445 drvdata->backlight->removed = false; in k90_init_backlight()
446 drvdata->backlight->cdev.name = name; in k90_init_backlight()
447 drvdata->backlight->cdev.max_brightness = 3; in k90_init_backlight()
448 drvdata->backlight->cdev.brightness_set = k90_brightness_set; in k90_init_backlight()
449 drvdata->backlight->cdev.brightness_get = k90_backlight_get; in k90_init_backlight()
450 INIT_WORK(&drvdata->backlight->work, k90_backlight_work); in k90_init_backlight()
451 ret = led_classdev_register(&dev->dev, &drvdata->backlight->cdev); in k90_init_backlight()
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Dsky81452.txt8 - backlight : container node for backlight following the binding
9 in leds/backlight/sky81452-backlight.txt
19 backlight {
20 compatible = "skyworks,sky81452-backlight";
21 name = "pwm-backlight";
H A Dti-lmu.txt47 - backlight: All LMU devices have backlight child nodes.
60 [1] ../leds/backlight/ti-lmu-backlight.txt
106 backlight {
107 compatible = "ti,lm3631-backlight";
148 backlight {
149 compatible = "ti,lm3632-backlight";
152 pwm-names = "lmu-backlight";
167 backlight {
168 compatible = "ti,lm3633-backlight";
212 backlight {
[all …]
/linux/drivers/media/usb/gspca/gl860/
H A Dgl860-ov2640.c175 sd->vcur.backlight = 32; in ov2640_init_settings()
186 sd->vmax.backlight = 64; in ov2640_init_settings()
239 sd->vold.backlight = -1; in ov2640_init_pre_alt()
339 s32 backlight = sd->vcur.backlight; in ov2640_camera_settings() local
350 if (backlight != sd->vold.backlight) { in ov2640_camera_settings()
352 if (backlight < 0 || backlight > sd->vmax.backlight) in ov2640_camera_settings()
353 backlight = 0; in ov2640_camera_settings()
357 ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight , 0x0024, in ov2640_camera_settings()
359 ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025, in ov2640_camera_settings()
457 if (backlight != sd->vold.backlight) { in ov2640_camera_settings()
[all …]
H A Dgl860-mi1320.c204 sd->vcur.backlight = 0; in mi1320_init_settings()
216 sd->vmax.backlight = 2; in mi1320_init_settings()
281 sd->vold.backlight = -1; in mi1320_init_pre_alt()
367 s32 backlight = sd->vcur.backlight; in mi1320_camera_settings() local
482 if (backlight != sd->vold.backlight) { in mi1320_camera_settings()
483 sd->vold.backlight = backlight; in mi1320_camera_settings()
484 if (backlight < 0 || backlight > sd->vmax.backlight) in mi1320_camera_settings()
485 backlight = 0; in mi1320_camera_settings()
487 backlight = tbl_backlight[backlight]; in mi1320_camera_settings()
492 ctrl_out(gspca_dev, 0x40, 1, 0xba80 + backlight, 0x00f1, in mi1320_camera_settings()
/linux/tools/arch/x86/dell-uart-backlight-emulator/
H A DMakefile4 dell-uart-backlight-emulator: dell-uart-backlight-emulator.c
15 @rm -f dell-uart-backlight-emulator
17 install : dell-uart-backlight-emulator
19 install -m 755 -p dell-uart-backlight-emulator $(DESTDIR)$(BINDIR)/dell-uart-backlight-emulator
H A DREADME1 Emulator for DELL0501 UART attached backlight controller
4 Dell All In One (AIO) models released after 2017 use a backlight controller
13 the backlight controller board attached.
16 the drivers/platform/x86/dell/dell-uart-backlight.c driver without access
32 ./dell-uart-backlight-emulator <path-to-/dev/tty*S#-for-second-port>
36 ./dell-uart-backlight-emulator /dev/ttyUSB0
38 And then (re)load the dell-uart-backlight driver:
40 sudo rmmod dell-uart-backlight; sudo modprobe dell-uart-backlight dyndbg
44 should be a /sys/class/backlight/dell_uart_backlight/ directory now
/linux/Documentation/devicetree/bindings/leds/backlight/
H A Dsky81452-backlight.txt1 SKY81452-backlight bindings
4 - compatible : Must be "skyworks,sky81452-backlight"
7 - name : Name of backlight device. Default is 'lcd-backlight'.
22 backlight {
23 compatible = "skyworks,sky81452-backlight";
24 name = "pwm-backlight";
H A D88pm860x.txt1 88pm860x-backlight bindings
4 - marvell,88pm860x-iset: Current supplies on backlight device.
5 - marvell,88pm860x-pwm: PWM frequency on backlight device.
10 backlight-0 {
14 backlight-2 {
/linux/Documentation/gpu/
H A Dbacklight.rst5 .. kernel-doc:: drivers/video/backlight/backlight.c
8 .. kernel-doc:: include/linux/backlight.h
11 .. kernel-doc:: drivers/video/backlight/backlight.c
/linux/Documentation/firmware-guide/acpi/
H A Dvideo_extension.rst14 The ACPI video driver does 3 things regarding backlight control.
16 Export a sysfs interface for user space to control backlight level
20 command line is not present, the driver will register a backlight device
21 and set the required backlight operation structure for it for the sysfs
23 directory named acpi_videoX under /sys/class/backlight.
25 The backlight sysfs interface has a standard definition here:
26 Documentation/ABI/stable/sysfs-class-backlight.
42 Note that ACPI video backlight driver will always use index for
108 Once user space tool receives this event, it can modify the backlight
111 Change backlight level in the kernel
[all …]
/linux/arch/arm64/boot/dts/rockchip/
H A Dpx30-engicam-edimm2.2.dtsi10 backlight: backlight { label
11 compatible = "pwm-backlight";
17 backlight = <&backlight>;
H A Dpx30-engicam-px30-core-ctouch2-of10.dts18 backlight: backlight { label
19 compatible = "pwm-backlight";
29 backlight = <&backlight>;
/linux/arch/arm/boot/dts/microchip/
H A Dat91sam9x5dm.dtsi12 backlight: backlight { label
13 compatible = "pwm-backlight";
23 regulator-name = "backlight-power-supply";
31 backlight = <&backlight>;
/linux/drivers/platform/x86/
H A Dmsi-wmi.c85 static struct backlight_device *backlight; variable
203 (backlight || in msi_wmi_notify()
223 backlight = backlight_device_register(DRV_NAME, NULL, NULL, in msi_wmi_backlight_setup()
226 if (IS_ERR(backlight)) in msi_wmi_backlight_setup()
227 return PTR_ERR(backlight); in msi_wmi_backlight_setup()
231 backlight_device_unregister(backlight); in msi_wmi_backlight_setup()
235 backlight->props.brightness = err; in msi_wmi_backlight_setup()
307 if (!event_wmi && !backlight) { in msi_wmi_init()
329 backlight_device_unregister(backlight); in msi_wmi_exit()
/linux/Documentation/devicetree/bindings/leds/
H A Dleds-lm36274.txt4 The backlight boost provides the power to bias four parallel LED strings with
14 Required backlight properties:
16 "ti,lm36274-backlight"
24 Optional backlight properties:
70 backlight {
73 compatible = "ti,lm36274-backlight";
79 linux,default-trigger = "backlight";
/linux/arch/arm64/boot/dts/qcom/
H A Dx1e78100-lenovo-thinkpad-t14s.dts13 backlight: backlight { label
14 compatible = "pwm-backlight";
41 backlight = <&backlight>;
H A Dx1p42100-asus-zenbook-a14-lcd.dts15 backlight: backlight { label
16 compatible = "pwm-backlight";
43 backlight = <&backlight>;

12345678910>>...21