Searched refs:backlight (Results 226 - 233 of 233) sorted by relevance

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/linux-master/drivers/gpu/drm/amd/amdgpu/
H A Datombios_encoders.c39 #include <linux/backlight.h>
176 /* Mac laptops with multiple GPUs use the gmux driver for backlight
177 * so don't register a backlight device
190 drm_info(dev, "Skipping amdgpu atom DIG backlight registration\n");
221 DRM_INFO("amdgpu atom DIG backlight initialized\n");
230 /* Try registering an ACPI video backlight device instead. */
259 DRM_INFO("amdgpu atom LVDS backlight unloaded\n");
/linux-master/drivers/platform/x86/
H A Dtoshiba_acpi.c34 #include <linux/backlight.h>
551 * Check for keyboard backlight timeout max value,
552 * previous kbd backlight implementation set this to
560 /* Get the current keyboard backlight mode */
578 pr_err("ACPI call to set KBD backlight status failed\n");
595 pr_err("ACPI call to get KBD backlight status failed\n");
609 /* Check the keyboard backlight state */
612 pr_err("ACPI call to get the keyboard backlight failed\n");
629 /* Set the keyboard backlight state */
1810 /* Keyboard backlight wor
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H A Dacer-wmi.c20 #include <linux/backlight.h>
290 MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
1681 pr_err("Could not register Acer backlight device\n");
H A Dsony-laptop.c38 #include <linux/backlight.h>
115 "set this to 0 to disable keyboard backlight, "
621 /* the device uses 1-based values, while the backlight subsystem uses
917 * backlight framework for which brightness values are 0-based.
1028 /* brightness levels are 1-based, while backlight ones are 0-based */
1378 pr_err("couldn't set up keyboard backlight function (%d)\n",
1755 /* Keyboard backlight feature */
1867 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1872 /* verify the kbd backlight presence, some of these handles are not used
1873 * for keyboard backlight onl
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H A Dasus-wmi.c17 #include <linux/backlight.h>
1422 /* Prevent disabling keyboard backlight on module unregister */
3695 * will mess with the backlight power */
3758 pr_err("Could not register backlight device\n");
3795 /* Screenpad backlight *******************************************************/
3893 pr_err("Could not register backlight device\n");
H A Dthinkpad_acpi.c38 #include <linux/backlight.h>
164 TP_HKEY_EV_KBD_LIGHT = 0x1012, /* Thinklight/kbd backlight */
207 TP_HKEY_EV_BRGHT_CHANGED = 0x5010, /* backlight control event */
1013 pr_notice("ACPI backlight control delay disabled\n");
3546 pr_info("This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver\n");
5171 * Keyboard backlight subdriver
5236 * Guessed test for keyboard backlight:
5238 * Machines with backlight keyboard return:
5243 * (XX is current backlight level)
5245 * Machines without backlight keyboar
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/linux-master/drivers/gpu/drm/i915/display/
H A Dintel_dp.c2997 /* Enable backlight PWM and backlight PP control. */
3013 /* Disable backlight PP control and backlight PWM. */
3248 connector->panel.vbt.backlight.hdr_dpcd_refresh_timeout);
3251 connector->panel.vbt.backlight.hdr_dpcd_refresh_timeout);
3977 * available (such as HDR backlight controls)
6277 * Figure out the current pipe for the initial backlight setup.
/linux-master/drivers/gpu/drm/amd/display/amdgpu_dm/
H A Damdgpu_dm.c74 #include <linux/backlight.h>
2368 /* Min backlight level after ABM reduction, Don't allow below 1%
4224 DRM_DEBUG("DM: Failed to update backlight via AUX on eDP[%d]\n", bl_idx);
4228 DRM_DEBUG("DM: Failed to update backlight on eDP[%d]\n", bl_idx);
4311 drm_info(drm, "Skipping amdgpu DM backlight registration\n");
4312 /* Try registering an ACPI video backlight device instead. */
4387 drm_warn(adev_to_drm(dm->adev), "Too much eDP connections, skipping backlight setup for additional eDPs\n");
9481 /* restore the backlight level */

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