Lines Matching defs:brightness
372 /* brightness level capabilities */
1881 * such as "brightness has changed", "volume has changed", depending on
2451 /* handle brightness */
3149 /* brightness: firmware always reacts to them */
3150 KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */
3151 KEY_RESERVED, /* 0x10: FN+END (brightness down) */
3188 KEY_BRIGHTNESSUP, /* 0x0F: FN+HOME (brightness up) */
3189 KEY_BRIGHTNESSDOWN, /* 0x10: FN+END (brightness down) */
3427 /* Do not issue duplicate brightness change events to
3433 "brightness control, supported by the ACPI "
3436 "Disabling thinkpad-acpi brightness events "
3439 /* Disable brightness up/down on Lenovo thinkpads when
3586 case TP_HKEY_EV_BRGHT_CHANGED: /* brightness changed */
4818 enum led_brightness brightness)
4824 data->new_state = (brightness != LED_OFF) ?
5166 enum led_brightness brightness)
5171 if (brightness == LED_OFF)
5876 * Backlight/brightness subdriver
5882 * ThinkPads can read brightness from two places: EC HBRV (0x31), or
5890 * Bit 3-0: backlight brightness level
5925 /* NVRAM brightness access,
6076 bd->props.brightness : 0;
6120 * switch the firmware to the ACPI brightness control mode.
6148 * Returns 0 (no ACPI _BCL or _BCL invalid), or size of brightness map
6203 "detecting firmware brightness interface capabilities\n");
6210 * Lenovo Vista BIOS to ACPI brightness mode even if we are not
6218 "detected a 16-level brightness capable ThinkPad\n");
6224 "detected a 8-level brightness capable ThinkPad\n");
6228 "Unsupported brightness interface, "
6241 vdbg_printk(TPACPI_DBG_INIT, "initializing brightness subdriver\n");
6256 "brightness support disabled by "
6269 "Cannot enable backlight brightness support, "
6278 "brightness control enabled\n");
6313 props.brightness = b & TP_EC_BACKLIGHT_LVLMSK;
6325 "brightness is supported\n");
6329 "brightness: will use unverified default: "
6332 "brightness: please report to %s whether it works well "
6343 "brightness: registering brightness hotkeys "
6413 tpacpi_disclose_usertask("procfs brightness",
6428 .name = "brightness",
8879 "Selects brightness control strategy: "
8928 TPACPI_PARAM(brightness);