Searched refs:backlight (Results 1 - 25 of 112) sorted by relevance

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/drivers/video/backlight/
H A DKconfig9 backlight and the LCD panel on some platforms, for example on PDAs.
23 (contrast and applying power to the LCD (not to the backlight!)).
138 backlight. This includes support for brightness and power.
150 This provides a backlight control internal to the Atmel LCDC
152 so it controls the backlight brightness, select this option to
153 export this as a PWM-based backlight control.
159 tristate "Atmel PWM backlight control"
173 If you have a LCD backlight connected to the BRIGHT output of
183 Say y to enable the generic platform backlight driver previously
184 known as the Corgi backlight drive
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H A DMakefile18 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
42 obj-$(CONFIG_BACKLIGHT_PCF50633) += pcf50633-backlight.o
H A Dmax8925_bl.c17 #include <linux/backlight.h>
123 pdata = max8925_pdata->backlight;
128 "backlight\n");
146 dev_err(&pdev->dev, "failed to register backlight\n");
181 .name = "max8925-backlight",
193 MODULE_ALIAS("platform:max8925-backlight");
H A Dpcf50633-backlight.c3 * PCF50633 backlight device driver
21 #include <linux/backlight.h>
25 #include <linux/mfd/pcf50633/backlight.h>
38 * Update the brightness limit for the pc50633 backlight. The actual brightness
162 .name = "pcf50633-backlight",
169 MODULE_DESCRIPTION("PCF50633 backlight driver");
171 MODULE_ALIAS("platform:pcf50633-backlight");
H A Dep93xx_bl.c2 * Driver for the Cirrus EP93xx lcd backlight
18 #include <linux/backlight.h>
H A Dgeneric_bl.c18 #include <linux/backlight.h>
56 * Called when the battery is low to limit the backlight intensity.
H A Djornada720_bl.c12 #include <linux/backlight.h>
31 /* check if backlight is on */
58 /* If backlight is off then really turn it off */
63 /* turn off backlight */
68 } else /* turn on backlight */
128 printk(KERN_INFO "HP Jornada 700 series backlight driver\n");
H A Dot200_bl.c15 #include <linux/backlight.h>
87 if (gpio_request(GPIO_DIMM, "ot200 backlight dimmer") < 0) {
123 dev_err(&pdev->dev, "failed to register backlight\n");
163 .name = "ot200-backlight",
172 MODULE_DESCRIPTION("backlight driver for ot200 visualisation device");
175 MODULE_ALIAS("platform:ot200-backlight");
H A Dplatform_lcd.c1 /* drivers/video/backlight/platform_lcd.c
17 #include <linux/backlight.h>
H A Dprogear_bl.c24 #include <linux/backlight.h>
/drivers/platform/x86/
H A Dmsi-wmi.c29 #include <linux/backlight.h>
61 static struct backlight_device *backlight; variable in typeref:struct:backlight_device
111 /* Instance 1 is "get backlight", cmp with DSDT */
114 pr_err("Could not query backlight: %d\n", err);
120 pr_debug("Current backlight level: 0x%X - index: %d\n",
138 /* Instance 0 is "set backlight" */
255 backlight = backlight_device_register(DRV_NAME, NULL, NULL,
258 if (IS_ERR(backlight)) {
259 err = PTR_ERR(backlight);
267 backlight
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H A Dpanasonic-laptop.c40 * add support for backlight api
123 #include <linux/backlight.h>
226 struct backlight_device *backlight; member in struct:pcc_acpi
314 /* backlight API interface functions */
603 /* initialize backlight */
607 pcc->backlight = backlight_device_register("panasonic", NULL, pcc,
609 if (IS_ERR(pcc->backlight)) {
610 result = PTR_ERR(pcc->backlight);
615 pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT];
628 backlight_device_unregister(pcc->backlight);
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H A Dsamsung-q10.c2 * Driver for Samsung Q10 and related laptops: controls the backlight
16 #include <linux/backlight.h>
/drivers/media/video/gspca/gl860/
H A Dgl860-mi1320.c189 sd->vcur.backlight = 0;
201 sd->vmax.backlight = 2;
266 sd->vold.backlight = -1;
352 s32 backlight = sd->vcur.backlight; local
467 if (backlight != sd->vold.backlight) {
468 sd->vold.backlight = backlight;
469 if (backlight <
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H A Dgl860-ov2640.c187 sd->vcur.backlight = 32;
198 sd->vmax.backlight = 64;
251 sd->vold.backlight = -1;
351 s32 backlight = sd->vcur.backlight; local
362 if (backlight != sd->vold.backlight) {
363 /* No sd->vold.backlight=backlight; (to be done again later) */
364 if (backlight <
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H A Dgl860-mi2020.c295 sd->vcur.backlight = 0;
307 sd->vmax.backlight = 64;
372 sd->vold.backlight = 0;
566 s32 backlight = sd->vcur.backlight; local
695 if (backlight != sd->vold.backlight) {
696 sd->vold.backlight = backlight;
697 if (backlight <
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H A Dgl860.h46 u16 backlight; member in struct:sd_gl860
/drivers/gpu/drm/nouveau/
H A Dnouveau_backlight.c33 #include <linux/backlight.h>
90 dev_priv->backlight = bd;
209 dev_priv->backlight = bd;
223 NV_INFO(dev, "ACPI backlight interface available, "
253 if (dev_priv->backlight) {
254 backlight_device_unregister(dev_priv->backlight);
255 dev_priv->backlight = NULL;
/drivers/gpu/drm/i915/
H A Dintel_panel.c33 #define PCI_LBPC 0xf4 /* legacy/combination backlight modes */
188 DRM_DEBUG_DRIVER("max backlight PWM = %d\n", max);
212 DRM_DEBUG_DRIVER("get backlight PWM = %d\n", val);
228 DRM_DEBUG_DRIVER("set backlight PWM = %d\n", level);
347 dev_priv->backlight =
352 if (IS_ERR(dev_priv->backlight)) {
353 DRM_ERROR("Failed to register backlight: %ld\n",
354 PTR_ERR(dev_priv->backlight));
355 dev_priv->backlight = NULL;
358 dev_priv->backlight
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H A Ddvo_ivch.c294 uint16_t vr01, vr30, backlight; local
301 backlight = 1;
303 backlight = 0;
304 ivch_write(dvo, VR80, backlight);
/drivers/gpu/drm/gma500/
H A DMakefile8 backlight.o \
/drivers/video/nvidia/
H A Dnv_backlight.c12 #include <linux/backlight.h>
17 #include <asm/backlight.h>
72 tmp_pmc |= (1 << 31); /* backlight bit */
/drivers/acpi/
H A Dvideo.c34 #include <linux/backlight.h>
83 * Some BIOSes claim they use minimum backlight at boot,
205 struct backlight_device *backlight; member in struct:acpi_video_device
231 /*backlight device sysfs support*/
371 if (device->backlight)
372 device->backlight->props.brightness = state - 2;
479 * the correct current backlight level in most cases.
480 * ACPI video backlight still works w/ buggy _BQC.
577 * Simple comparison function used to sort backlight levels.
711 * Set the backlight t
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/drivers/mfd/
H A Dadp5520.c3 * LCD Backlight: drivers/video/backlight/adp5520_bl
283 if (pdata->backlight) {
285 "adp5520-backlight",
287 pdata->backlight,
288 sizeof(*pdata->backlight));
/drivers/macintosh/
H A DMakefile16 obj-$(CONFIG_PMAC_BACKLIGHT) += via-pmu-backlight.o

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