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/linux/Documentation/devicetree/bindings/display/bridge/
H A Dnxp,ptn3460.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sean Paul <seanpaul@chromium.org>
20 edid-emulation:
23 The EDID emulation entry to use
34 powerdown-gpios:
38 reset-gpios:
57 - port@0
58 - port@1
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/linux/Documentation/sound/designs/
H A Dprocfile.rst15 card-specific files are stored in the ``card*`` subdirectories.
40 ``<card>-<device>: <name>``
44 ``<card>-<device>: <id>: <name> : <sub-streams>``
61 The card-specific files are found in ``/proc/asound/card*`` directories.
78 When the OSS mixer emulation is enabled (and the module is loaded),
81 mapping by writing to this device. Read OSS-Emulation.txt for
124 The general information of this PCM sub-stream.
127 The current status of this PCM sub-stream, elapsed time,
131 The hardware parameters set for this sub-stream.
134 The soft parameters set for this sub-stream.
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/linux/sound/hda/codecs/hdmi/
H A Datihdmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
18 ((codec)->core.vendor_id == 0x1002aa01 && \
19 ((codec)->core.revision_id & 0xff00) >= 0x0300)
60 /* ATI/AMD specific ELD emulation */
106 return -EINVAL; in get_eld_ati()
114 /* speaker allocation from EDID */ in get_eld_ati()
170 /* format is supported, copy SAD as-is */ in get_eld_ati()
189 return -EINVAL; in get_eld_ati()
196 * [1..251] msecs = (x-1)*2 (max 500ms with x = 251 = 0xfb) in get_eld_ati()
212 buf[6] = video_latency_hdmi - audio_latency_hdmi; in get_eld_ati()
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos5250-snow-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/clock/maxim,max77686.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/samsung-i2s.h>
30 stdout-path = "serial3:115200n8";
33 gpio-keys {
34 compatible = "gpio-keys";
35 pinctrl-names = "default";
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/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt16 force -- enable ACPI if default was off
17 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
18 off -- disable ACPI if default was on
19 noirq -- do not use ACPI for IRQ routing
20 strict -- Be less tolerant of platforms that are not
22 rsdt -- prefer RSDT over (default) XSDT
23 copy_dsdt -- copy DSDT to memory
24 nocmcff -- Disable firmware first mode for corrected
28 nospcr -- disable console in ACPI SPCR table as
45 If set to vendor, prefer vendor-specific driver
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