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/linux/scripts/coccinelle/misc/
H A Dminmax.cocci1 // SPDX-License-Identifier: GPL-2.0-only
3 /// Check for opencoded min(), max() implementations.
9 // Options: --no-includes --includ
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/linux/Documentation/userspace-api/media/v4l/
H A Dmetafmt-vsp1-hgo.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _v4l2-meta-fmt-vsp1-hgo:
10 Renesas R-Car VSP1 1-D Histogram Data
16 This format describes histogram data generated by the Renesas R-Car VSP1 1-D
21 computes the minimum, maximum and sum of all pixels as well as per-channel
25 three channels (RGB data only) or on the Y channel only (YCbCr only). It can
29 - In *64 bins normal mode*, the HGO operates on the three channels independently
30 to compute three 64-bins histograms. RGB, YCbCr and HSV image formats are
32 - In *64 bins maximum mode*, the HGO operates on the maximum of the (R, G, B)
33 channels to compute a single 64-bins histogram. Only the RGB image format is
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/linux/Documentation/devicetree/bindings/iio/accel/
H A Dlis302.txt8 - compatible: should be set to "st,lis3lv02d-spi"
9 - reg: the chipselect index
10 - spi-max-frequency: maximal bus speed, should be set to 1000000 unless
12 - interrupts: the interrupt generated by the device
15 - compatible: should be set to "st,lis3lv02d"
16 - reg: i2c slave address
17 - Vdd-supply: The input supply for Vdd
18 - Vdd_IO-supply: The input supply for Vdd_IO
23 - st,click-single-{x,y,z}: if present, tells the device to issue an
25 x/y/z axis.
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/linux/include/linux/
H A Dminmax.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * min()/max()/clamp() macros must accomplish several things:
13 * - Avoid multiple evaluations of the arguments (so side-effects like
14 * "x++" happen only once) when non-constant.
15 * - Perform signed v unsigned type-checking (to generate compile
17 * - Unsigned char/short are always promoted to signed int and can be
19 * - Unsigned arguments can be compared against non-negative signed constants.
20 * - Comparison of a signed argument against an unsigned constant fails
23 #define __typecheck(x, y) \ argument
24 (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
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/linux/Documentation/scheduler/
H A Dsched-pelt.c6 * C program (compile with -lm)
16 double y; variable
23 /* To silence -Wunused-but-set-variable warnings. */ in calc_runnable_avg_yN_inv()
26 x = ((1UL<<32)-1)*pow(y, i); in calc_runnable_avg_yN_inv()
43 sum *= y; in calc_runnable_avg_yN_sum()
45 sum = sum*y + 1024*y; in calc_runnable_avg_yN_sum()
55 int n = -1;
57 long max = 1024; variable
61 long last = 0, y_inv = ((1UL<<32)-1)*y; in calc_converged_max()
64 if (n > -1) in calc_converged_max()
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/linux/drivers/gpu/drm/imagination/
H A Dpvr_rogue_cr_defs_client.h1 /* SPDX-License-Identifier: GPL-2.0-only OR MIT */
7 /* clang-format off */
10 * This register controls the anti-aliasing mode of the Tiling Co-Processor, independent control is
11 * provided in both X & Y axis.
15 * 2xmsaa is achieved by enabling Y - TE does AA on Y plane only
16 * 4xmsaa is achieved by enabling Y and X - TE does AA on X and Y plane
20 * 2xmsaa is achieved by enabling X2 - does not affect TE
21 * 4xmsaa is achieved by enabling Y and X2 - TE does AA on Y plane only
22 * 8xmsaa is achieved by enabling Y, X and X2 - TE does AA on X and Y plane
26 * 2xmsaa is achieved by enabling X2 - does not affect TE
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/linux/arch/arm/boot/dts/ti/omap/
H A Domap3-overo-common-peripherals.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
11 lis33_3v3: lis33-3v3-reg {
12 compatible = "regulator-fixed";
13 regulator-name = "lis33-3v3-reg";
14 regulator-min-microvolt = <3300000>;
15 regulator-max-microvolt = <3300000>;
18 lis33_1v8: lis33-1v8-reg {
19 compatible = "regulator-fixed";
20 regulator-name = "lis33-1v8-reg";
21 regulator-min-microvolt = <1800000>;
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H A Domap3-gta04a3.dts1 // SPDX-License-Identifier: GPL-2.0-only
6 #include "omap3-gta04.dtsi"
18 interrupt-parent = <&gpio3>;
20 Vdd-supply = <&vaux2>;
21 Vdd_IO-supply = <&vaux2>;
23 st,click-single-x;
24 st,click-single-y;
25 st,click-single-z;
26 st,click-thresh-x = <8>;
27 st,click-thresh-y = <8>;
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H A Domap3-panel-sharp-ls037v7dw01.dtsi1 // SPDX-License-Identifier: GPL-2.0
6 * at minimum the GPIO enable-gpios for display, and
7 * gpios for gpio-backlight.
16 compatible = "gpio-backlight";
17 default-on;
21 lcd_3v3: regulator-lcd-3v3 {
22 compatible = "regulator-fixed";
23 regulator-name = "lcd_3v3";
24 regulator-min-microvolt = <3300000>;
25 regulator-max-microvolt = <3300000>;
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H A Domap3-n9.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * omap3-n9.dts - Device Tree file for Nokia N9
8 /dts-v1/;
10 #include "omap3-n950-n9.dtsi"
11 #include <dt-bindings/input/input.h>
15 compatible = "nokia,omap3-n9", "ti,omap3630", "ti,omap3";
23 vana-supply = <&vaux3>;
25 clock-frequency = <9600000>;
26 flash-leds = <&as3645a_flash &as3645a_indicator>;
29 link-frequencies = /bits/ 64 <199200000 210000000 499200000>;
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/linux/Documentation/devicetree/bindings/input/touchscreen/
H A Dti,tsc2005.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marek Vasut <marex@denx.de>
11 - Michael Welling <mwelling@ieee.org>
19 - ti,tsc2004
20 - ti,tsc2005
31 reset-gpios:
35 spi-max-frequency:
39 ti,x-plate-ohms:
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H A Dcypress,cy8ctma140.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linusw@kernel.org>
13 - $ref: touchscreen.yaml#
22 clock-frequency:
30 vcpin-supply:
33 vdd-supply:
36 touchscreen-inverted-x: true
37 touchscreen-inverted-y: true
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/linux/net/atm/
H A Datm_misc.c1 // SPDX-License-Identifier: GPL-2.0
2 /* net/atm/atm_misc.c - Various functions for use by ATM drivers */
4 /* Written 1995-2000 by Werner Almesberger, EPFL ICA */
18 if (atomic_read(&sk_atm(vcc)->sk_rmem_alloc) <= sk_atm(vcc)->sk_rcvbuf) in atm_charge()
21 atomic_inc(&vcc->stats->rx_drop); in atm_charge()
33 if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf) { in atm_alloc_charge()
37 atomic_add(skb->truesize-guess, in atm_alloc_charge()
38 &sk->sk_rmem_alloc); in atm_alloc_charge()
43 atomic_inc(&vcc->stats->rx_drop); in atm_alloc_charge()
54 * The rules are as follows (* = maximum, - = absent (0), x = value "x",
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/linux/arch/mips/math-emu/
H A Dsp_fmax.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * single precision: MAX{,A}.f
5 * MAX : Scalar Floating-Point Maximum
6 * MAXA: Scalar Floating-Point argument with Maximum Absolute Value
8 * MAX.S : FPR[fd] = maxNum(FPR[fs],FPR[ft])
18 union ieee754sp ieee754sp_fmax(union ieee754sp x, union ieee754sp y) in ieee754sp_fmax() argument
37 return ieee754sp_nanxcpt(y); in ieee754sp_fmax()
71 return y; in ieee754sp_fmax()
81 return xs ? y : x; in ieee754sp_fmax()
89 return ys ? x : y; in ieee754sp_fmax()
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/linux/tools/testing/selftests/bpf/prog_tests/
H A Dcore_extern.c1 // SPDX-License-Identifier: GPL-2.0
34 "CONFIG_BOOL=y\n"
54 { .name = "tristate (y)", .cfg = CFG"CONFIG_TRISTATE=y\n",
63 { .name = "bool (y)", .cfg = CFG"CONFIG_BOOL=y\n",
74 { .name = "char (str)", .fails = 1, .cfg = CFG"CONFIG_CHAR=\"y\"\n" },
90 "CONFIG_INT=-100\n"
95 .int_val = -100,
103 { .name = "int (max)", .cfg = CFG"CONFIG_INT=2147483647",
105 { .name = "int (min)", .cfg = CFG"CONFIG_INT=-2147483648",
106 .data = { .int_val = -2147483648 } },
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/linux/arch/powerpc/boot/
H A Dtypes.h1 /* SPDX-License-Identifier: GPL-2.0 */
18 /* required for opal-api.h */
28 #define min(x,y) ({ \ argument
30 typeof(y) _y = (y); \
34 #define max(x,y) ({ \ macro
36 typeof(y) _y = (y); \
41 #define max_t(type, a, b) max(((type) a), ((type) b))
/linux/sound/usb/
H A Dmixer_us16x08.h1 /* SPDX-License-Identifier: GPL-2.0 */
7 /* define some bias, cause some alsa-mixers wont work with
8 * negative ranges or if mixer-min != 0
18 #define SND_US16X08_KCBIAS(x) (((x)->private_value >> 24) & 0xff)
19 #define SND_US16X08_KCSTEP(x) (((x)->private_value >> 16) & 0xff)
20 #define SND_US16X08_KCMIN(x) (((x)->private_value >> 8) & 0xff)
21 #define SND_US16X08_KCMAX(x) (((x)->private_value >> 0) & 0xff)
23 #define SND_US16X08_KCSET(bias, step, min, max) \ argument
24 (((bias) << 24) | ((step) << 16) | ((min) << 8) | (max))
34 #define MUA0(x, y) ((x)[(y) * 10 + 4]) argument
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/linux/drivers/hid/
H A Dhid-udraw-ps3.c1 // SPDX-License-Identifier: GPL-2.0-only
11 #include "hid-ids.h"
21 * https://vvvv.org/contribution/udraw-hid
26 * - the touch area which works as a touchpad
27 * - the tablet area which works as a touchpad/drawing tablet
28 * - a joypad with a d-pad, and 7 buttons
29 * - an accelerometer device
46 * Accelerometer min/max values
47 * in order, X, Y and Z
51 int max; member
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx7d-pico-hobbit.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 #include "imx7d-pico.dtsi"
8 model = "TechNexion PICO-IMX7D Board using Hobbit baseboard";
9 compatible = "technexion,imx7d-pico-hobbit", "fsl,imx7d";
12 compatible = "gpio-leds";
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_gpio_leds>;
17 label = "gpio-led";
23 compatible = "simple-audio-card";
24 simple-audio-card,name = "imx7-sgtl5000";
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H A Dimx53-sk-imx53-atm0700d4.dtsi1 // SPDX-License-Identifier: GPL-2.0+
5 /dts-v1/;
7 #include <dt-bindings/pwm/pwm.h>
8 #include "imx53-sk-imx53.dts"
11 panel: panel-rgb {
12 compatible = "powertip,ph800480t013-idf02";
21 compatible = "spi-gpio";
22 #address-cells = <0x1>;
23 #size-cells = <0x0>;
25 num-chipselects = <1>;
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/linux/Documentation/input/
H A Dmulti-touch-protocol.rst4 Multi-touch (MT) Protocol
7 :Copyright: |copy| 2009-2010 Henrik Rydberg <rydberg@euromail.se>
11 ------------
13 In order to utilize the full power of the new multi-touch and multi-user
16 document describes the multi-touch (MT) protocol which allows kernel
30 --------------
34 packet. Since these events are ignored by current single-touch (ST)
48 All drivers mark the end of a multi-touch transfer by calling the usual
67 the ABS_MT_TRACKING_ID of the associated slot. A non-negative tracking id
68 is interpreted as a contact, and the value -1 denotes an unused slot. A
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/linux/sound/core/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 # ALSA soundcard-configuration
56 to the KUnit documentation in Documentation/dev-tools/kunit/.
72 default y if INPUT=y || INPUT=SND
84 To enable OSS mixer API emulation (/dev/mixer*), say Y here
85 and read <file:Documentation/sound/designs/oss-emulation.rst>.
87 Many programs still use the OSS API, so say Y.
90 will be called snd-mixer-oss.
97 To enable OSS digital audio (PCM) emulation (/dev/dsp*), say Y
98 here and read <file:Documentation/sound/designs/oss-emulation.rst>.
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/linux/Documentation/input/devices/
H A Dcma3000_d0x.rst1 CMA3000-D0x Accelerometer
5 * VTI CMA3000-D0x
8 CMA3000-D0X Product Family Specification 8281000A.02.pdf
15 -----------
17 CMA3000 Tri-axis accelerometer supports Motion detect, Measurement and
25 This mode is used to read the acceleration data on X,Y,Z
47 -------------
53 Noise on Y Axis
74 ---------------
78 Input device name: "cma3000-accelerometer"
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/linux/arch/arm/boot/dts/st/
H A Dste-href-stuib.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright 2012 ST-Ericsson AB
6 #include <dt-bindings/interrupt-controller/irq.h>
10 compatible = "gpio-keys";
11 #address-cells = <1>;
12 #size-cells = <0>;
13 vdd-supply = <&ab8500_ldo_aux1_reg>;
14 pinctrl-names = "default";
15 pinctrl-0 = <&prox_stuib_mode>, <&hall_stuib_mode>;
33 stmpe1601: port-expander@40 {
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/linux/Documentation/gpu/
H A Dkms-properties.csv2 ,DVI-I,“subconnector”,ENUM,"{ “Unknown”, “DVI-D”, “DVI-A” }",Connector,TBD
3 ,,“select subconnector”,ENUM,"{ “Automatic”, “DVI-D”, “DVI-A” }",Connector,TBD
7 ,,“left margin”,RANGE,"Min=0, Max=100",Connector,TBD
8 ,,“right margin”,RANGE,"Min=0, Max=100",Connector,TBD
9 ,,“top margin”,RANGE,"Min=0, Max=100",Connector,TBD
10 ,,“bottom margin”,RANGE,"Min=0, Max=100",Connector,TBD
11 ,,“brightness”,RANGE,"Min=0, Max=100",Connector,TBD
12 ,,“contrast”,RANGE,"Min=0, Max=100",Connector,TBD
13 ,,“flicker reduction”,RANGE,"Min=0, Max=100",Connector,TBD
14 ,,“overscan”,RANGE,"Min=0, Max=100",Connector,TBD
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