Searched refs:backlight (Results 151 - 175 of 240) sorted by relevance

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/linux-master/drivers/staging/fbtft/
H A Dfbtft.h51 * @register_backlight: Used to register backlight device (optional)
52 * @unregister_backlight: Unregister backlight device (optional)
93 * @backlight: Backlight type.
111 unsigned int backlight; member in struct:fbtft_display
/linux-master/drivers/regulator/
H A Drpi-panel-attiny-regulator.c8 #include <linux/backlight.h>
/linux-master/drivers/gpu/drm/panel/
H A Dpanel-samsung-atna33xc20.c9 #include <linux/backlight.h>
182 * enable or the backlight will never come on again. The code ensures
337 * a panel where we can't control the backlight is better than
341 dev_warn(dev, "failed to register dp aux backlight: %d\n", ret);
H A Dpanel-novatek-nt35510.c25 #include <linux/backlight.h>
509 * BL bit 2 controls backlight control: 0 = Off, 1 = On
1146 * First, try to locate an external backlight (such as on GPIO)
1147 * if this fails, assume we will want to use the internal backlight
1152 dev_err(dev, "error getting external backlight %d\n", ret);
1155 if (!nt->panel.backlight) {
1161 dev_err(dev, "failed to register backlight device\n");
1170 nt->panel.backlight = bl;
H A Dpanel-novatek-nt36523.c8 #include <linux/backlight.h>
39 struct backlight_device *backlight; member in struct:panel_info
1274 pinfo->panel.backlight = nt36523_create_backlight(dsi);
1275 if (IS_ERR(pinfo->panel.backlight))
1276 return dev_err_probe(dev, PTR_ERR(pinfo->panel.backlight),
1277 "Failed to create backlight\n");
1281 return dev_err_probe(dev, ret, "Failed to get backlight\n");
/linux-master/drivers/platform/x86/dell/
H A Ddell-uart-backlight.c12 #include <linux/backlight.h>
25 /* The backlight controller must respond within 1 second */
173 * There is no command to get backlight power status,
174 * so we set the backlight power to "on" while initializing,
390 .name = "dell-uart-backlight",
395 MODULE_ALIAS("platform:dell-uart-backlight");
/linux-master/drivers/video/backlight/
H A Dmp3309c.c14 #include <linux/backlight.h>
217 * found in the backlight node, the mode switches to PWM mode.
366 "error registering backlight device\n");
H A Dsky81452-backlight.c3 * sky81452-backlight.c SKY81452 backlight driver
9 #include <linux/backlight.h>
40 #define SKY81452_DEFAULT_NAME "lcd-backlight"
44 * struct sky81452_bl_platform_data - backlight platform data
45 * @name: backlight driver name.
46 * If it is not defined, default name is lcd-backlight.
192 dev_err(dev, "backlight node not found.\n");
328 { .compatible = "skyworks,sky81452-backlight", },
336 .name = "sky81452-backlight",
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H A Dadp5520_bl.c12 #include <linux/backlight.h>
311 dev_err(&pdev->dev, "failed to register backlight\n");
374 .name = "adp5520-backlight",
386 MODULE_ALIAS("platform:adp5520-backlight");
H A Darcxcnn_bl.c9 #include <linux/backlight.h>
23 * @initial_brightness : initial value of backlight brightness
354 "failed to register backlight.\n");
H A Das3711_bl.c3 * AS3711 PMIC backlight driver, using DCDC Step Up Converters
9 #include <linux/backlight.h>
237 dev_err(&pdev->dev, "failed to register backlight\n");
256 bl = of_get_child_by_name(dev->parent->of_node, "backlight");
258 dev_dbg(dev, "backlight node not found\n");
470 .name = "as3711-backlight",
480 MODULE_ALIAS("platform:as3711-backlight");
H A Dlm3639_bl.c10 #include <linux/backlight.h>
179 /* backlight mapping mode */
340 /* backlight */
350 dev_err(&client->dev, "fail : backlight register\n");
H A Dcorgi_lcd.c14 #include <linux/backlight.h>
567 MODULE_DESCRIPTION("LCD and backlight driver for SHARP C7x0/Cxx00");
H A Dams369fg06.c11 #include <linux/backlight.h>
H A Dlms501kf03.c9 #include <linux/backlight.h>
/linux-master/drivers/gpu/drm/amd/display/dc/hwss/dcn31/
H A Ddcn31_hwseq.c113 uint32_t backlight = MAX_BACKLIGHT_LEVEL; local
227 backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
234 abms[i]->funcs->abm_init(abms[i], backlight, user_level);
/linux-master/drivers/gpu/drm/amd/display/dc/hwss/dcn30/
H A Ddcn30_hwseq.c622 uint32_t backlight = MAX_BACKLIGHT_LEVEL; local
761 backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
768 abms[i]->funcs->abm_init(abms[i], backlight, user_level);
/linux-master/drivers/platform/loongarch/
H A Dloongson-laptop.c17 #include <linux/backlight.h>
457 * This hotkey driver handle backlight event when
606 pr_err("Loongson Laptop: laptop-backlight device register failed\n");
/linux-master/drivers/gpu/drm/bridge/
H A Dparade-ps8622.c8 #include <linux/backlight.h>
499 ps8622->bl = backlight_device_register("ps8622-backlight",
503 DRM_ERROR("failed to register backlight\n");
/linux-master/drivers/video/fbdev/nvidia/
H A Dnvidia.c24 #include <linux/backlight.h>
78 static int backlight = IS_BUILTIN(CONFIG_PMAC_BACKLIGHT); variable
1410 if (backlight)
1497 } else if (!strncmp(this_opt, "backlight:", 10)) {
1498 backlight = simple_strtoul(this_opt+10, NULL, 0);
/linux-master/drivers/gpu/drm/i915/display/
H A Dintel_display_driver.c187 mutex_init(&i915->display.backlight.lock);
/linux-master/drivers/mfd/
H A Dmax8925-core.c28 .name = "max8925-backlight",
867 if (pdata && pdata->backlight) {
868 bk_devs[0].platform_data = &pdata->backlight;
874 dev_err(chip->dev, "Failed to add backlight subdev\n");
/linux-master/drivers/video/fbdev/aty/
H A Daty128fb.c66 #include <linux/backlight.h>
76 #include <asm/backlight.h>
398 static int backlight = IS_BUILTIN(CONFIG_PMAC_BACKLIGHT); variable
1688 } else if (!strncmp(this_opt, "backlight:", 10)) {
1690 backlight = simple_strtoul(this_opt+10, NULL, 0);
1753 /* We turn off the LCD completely instead of just dimming the backlight.
1755 * backlight anyway
2032 if (backlight)
2294 /* out param: u32* backlight value: 0 to 15 */
2296 /* in param: u32* backlight valu
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/linux-master/drivers/video/fbdev/riva/
H A Dfbdev.c43 #include <linux/backlight.h>
47 #include <asm/backlight.h>
206 static int backlight = IS_BUILTIN(CONFIG_PMAC_BACKLIGHT); variable
302 tmp_pmc |= (1 << 31); /* backlight bit */
2042 if (backlight)
2128 } else if (!strncmp(this_opt, "backlight:", 10)) {
2129 backlight = simple_strtoul(this_opt+10, NULL, 0);
/linux-master/drivers/gpu/drm/amd/display/dc/hwss/dcn32/
H A Ddcn32_hwseq.c752 uint32_t backlight = MAX_BACKLIGHT_LEVEL; local
909 backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
916 abms[i]->funcs->abm_init(abms[i], backlight, user_level);

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