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/linux/sound/soc/
H A Dsoc-jack.c1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-jack.c -- ALSA SoC jack handling
20 * snd_soc_jack_report - Report the current status for a jack
33 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask) in snd_soc_jack_report()
37 unsigned int sync = 0; in snd_soc_jack_report()
39 if (!jack || !jack->jack) in snd_soc_jack_report()
43 dapm = &jack->card->dapm; in snd_soc_jack_report()
45 mutex_lock(&jack->mutex); in snd_soc_jack_report()
47 jack->status &= ~mask; in snd_soc_jack_report()
48 jack->status |= status & mask; in snd_soc_jack_report()
[all …]
/linux/drivers/watchdog/
H A Dmena21_wdt.c1 // SPDX-License-Identifier: GPL-2.0+
34 struct gpio_desc *gpios[NUM_GPIOS]; member
42 static unsigned int a21_wdt_get_bootstatus(struct a21_wdt_drv *drv) in a21_wdt_get_bootstatus()
44 int reset = 0; in a21_wdt_get_bootstatus()
46 reset |= gpiod_get_value(drv->gpios[GPIO_WD_RST0]) ? (1 << 0) : 0; in a21_wdt_get_bootstatus()
47 reset |= gpiod_get_value(drv->gpios[GPIO_WD_RST1]) ? (1 << 1) : 0; in a21_wdt_get_bootstatus()
48 reset |= gpiod_get_value(drv->gpios[GPIO_WD_RST2]) ? (1 << 2) : 0; in a21_wdt_get_bootstatus()
53 static int a21_wdt_start(struct watchdog_device *wdt) in a21_wdt_start()
57 gpiod_set_value(drv->gpios[GPIO_WD_ENAB], 1); in a21_wdt_start()
62 static int a21_wdt_stop(struct watchdog_device *wdt) in a21_wdt_stop()
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/linux/drivers/gpio/
H A Dgpiolib-of.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2007-2008 MontaVista Software, Inc.
26 #include "gpiolib-of.h"
29 * This is Linux-specific flags. By default controllers' and Linux' mapping
31 * Linux-specific in their .xlate callback. Though, 1:1 mapping is recommended.
44 * of_gpio_named_count() - Count GPIOs for a device
45 * @np: device node to count GPIOs for
48 * The function returns the count of GPIOs specified for a node.
52 * Either number of GPIOs defined in the property, or
53 * * %-EINVAL for an incorrectly formed "gpios" property, or
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H A Dgpio-winbond.c1 // SPDX-License-Identifier: GPL-2.0+
132 unsigned long gpios; member
142 static int winbond_sio_enter(unsigned long base) in winbond_sio_enter()
145 return -EBUSY; in winbond_sio_enter()
206 * struct winbond_gpio_port_conflict - possibly conflicting device information
209 * is located (or WB_SIO_DEV_NONE - don't select any
226 * struct winbond_gpio_info - information about a particular GPIO port (device)
232 * @outputppbit: index of a push-pull output driver mode bit
351 static bool winbond_gpio_get_info(unsigned int *gpio_num, in winbond_gpio_get_info()
357 for_each_set_bit(i, &params.gpios, BITS_PER_LONG) { in winbond_gpio_get_info()
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H A Dgpiolib-swnode.c1 // SPDX-License-Identifier: GPL-2.0+
23 #include "gpiolib-swnode.h"
25 #define GPIOLIB_SWNODE_UNDEFINED_NAME "swnode-gpio-undefined"
33 if (!gdev_node || !gdev_node->name) in swnode_get_gpio_device()
34 return ERR_PTR(-EINVAL); in swnode_get_gpio_device()
37 * Check for a special node that identifies undefined GPIOs, this is in swnode_get_gpio_device()
41 !strcmp(gdev_node->name, GPIOLIB_SWNODE_UNDEFINED_NAME)) in swnode_get_gpio_device()
42 return ERR_PTR(-ENOENT); in swnode_get_gpio_device()
44 gdev = gpio_device_find_by_label(gdev_node->name); in swnode_get_gpio_device()
45 return gdev ?: ERR_PTR(-EPROBE_DEFER); in swnode_get_gpio_device()
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/linux/Documentation/driver-api/gpio/
H A Dconsumer.rst8 Guidelines for GPIOs consumers
13 obtain and use GPIOs are available by including the following file::
21 - Simple compile coverage with e.g. COMPILE_TEST - it does not matter that
25 - Truly optional GPIOLIB support - where the driver does not really make use
26 of the GPIOs on certain compile-time configurations for certain systems, but
27 will use it under other compile-time configurations. In this case the
35 All the functions that work with the descriptor-based GPIO interface are
42 Obtaining and Disposing GPIOs
45 With the descriptor-based interface, GPIOs are identified with an opaque,
46 non-forgeable handler that must be obtained through a call to one of the
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/linux/drivers/pinctrl/qcom/
H A Dpinctrl-qdf2xxx.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * device. The driver which controls this device is pinctrl-msm.c. Each
8 * with pinctrl-msm.c. This means that all TLMM drivers are pin control
11 * This pin control driver is intended to be used only an ACPI-enabled
14 * a GPIO-only driver. The alternative is to duplicate the GPIO code of
15 * pinctrl-msm.c into another driver.
23 #include "pinctrl-msm.h"
31 static int qdf2xxx_pinctrl_probe(struct platform_device *pdev) in qdf2xxx_pinctrl_probe()
37 unsigned int i; in qdf2xxx_pinctrl_probe()
39 unsigned int avail_gpios; /* The number of GPIOs we support */ in qdf2xxx_pinctrl_probe()
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/linux/drivers/gpu/drm/panel/
H A Dpanel-ronbo-rb070d30.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2018-2019, Bridge Systems BV
4 * Copyright (C) 2018-2019, Bootlin
7 * This file based on panel-ilitek-ili9881c.c
15 #include <linux/media-bus-format.h>
37 } gpios; member
45 static int rb070d30_panel_prepare(struct drm_panel *panel) in rb070d30_panel_prepare()
48 int ret; in rb070d30_panel_prepare()
50 ret = regulator_enable(ctx->supply); in rb070d30_panel_prepare()
52 dev_err(&ctx->dsi->dev, "Failed to enable supply: %d\n", ret); in rb070d30_panel_prepare()
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/linux/drivers/hsi/clients/
H A Dnokia-modem.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * nokia-modem.c
18 static unsigned int pm = 1;
19 module_param(pm, int, 0400);
30 int nokia_modem_rst_ind_irq;
32 struct nokia_modem_gpio *gpios; member
33 int gpio_amount;
45 dev_info(modem->device, "CMT rst line change detected\n"); in do_nokia_modem_rst_ind_tasklet()
47 if (modem->ssi_protocol) in do_nokia_modem_rst_ind_tasklet()
48 ssip_reset_event(modem->ssi_protocol); in do_nokia_modem_rst_ind_tasklet()
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/linux/arch/arm/boot/dts/intel/ixp/
H A Dintel-ixp42x-goramo-multilink.dts1 // SPDX-License-Identifier: ISC
5 * - MultiLink Basic (a box)
6 * - MultiLink Max (19" rack mount)
9 * This is one of the few devices supporting the IXP4xx High-Speed Serial
14 /dts-v1/;
16 #include "intel-ixp42x.dtsi"
17 #include <dt-bindings/input/input.h>
21 compatible = "goramo,multilink-router", "intel,ixp42x";
22 #address-cells = <1>;
23 #size-cells = <1>;
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H A Dintel-ixp42x-linksys-nslu2.dts1 // SPDX-License-Identifier: ISC
6 /dts-v1/;
8 #include "intel-ixp42x.dtsi"
9 #include <dt-bindings/input/input.h>
14 #address-cells = <1>;
15 #size-cells = <1>;
25 stdout-path = "uart0:115200n8";
33 compatible = "gpio-leds";
34 led-status {
36 gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
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H A Dintel-ixp42x-iomega-nas100d.dts1 // SPDX-License-Identifier: ISC
6 /dts-v1/;
8 #include "intel-ixp42x.dtsi"
9 #include <dt-bindings/input/input.h>
13 compatible = "iom,nas-100d", "intel,ixp42x";
14 #address-cells = <1>;
15 #size-cells = <1>;
25 stdout-path = "uart0:115200n8";
33 compatible = "gpio-leds";
34 led-wlan {
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H A Dintel-ixp42x-dlink-dsm-g600.dts1 // SPDX-License-Identifier: ISC
3 * Device Tree file for D-Link DSM-G600 revision A based on IXP420
11 /dts-v1/;
13 #include "intel-ixp42x.dtsi"
14 #include <dt-bindings/input/input.h>
17 model = "D-Link DSM-G600 rev A";
18 compatible = "dlink,dsm-g600-a", "intel,ixp42x";
19 #address-cells = <1>;
20 #size-cells = <1>;
30 stdout-path = "uart0:115200n8";
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H A Dintel-ixp42x-linksys-wrv54g.dts1 // SPDX-License-Identifier: ISC
9 /dts-v1/;
11 #include "intel-ixp42x.dtsi"
12 #include <dt-bindings/input/input.h>
17 #address-cells = <1>;
18 #size-cells = <1>;
28 stdout-path = "uart1:115200n8";
39 compatible = "gpio-leds";
40 led-power {
42 gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
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/linux/drivers/input/misc/
H A Drotary_encoder.c1 // SPDX-License-Identifier: GPL-2.0-only
11 * See file:Documentation/input/devices/rotary-encoder.rst for more information
26 #define DRV_NAME "rotary-encoder"
44 unsigned int pos;
46 struct gpio_descs *gpios; member
48 unsigned int *irq;
51 signed char dir; /* 1 - clockwise, -1 - CCW */
53 unsigned int last_stable;
56 static unsigned int rotary_encoder_get_state(struct rotary_encoder *encoder) in rotary_encoder_get_state()
58 int i; in rotary_encoder_get_state()
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H A Dgpio_decoder.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
24 static int gpio_decoder_get_gpios_state(struct gpio_decoder *decoder) in gpio_decoder_get_gpios_state()
26 struct gpio_descs *gpios = decoder->input_gpios; in gpio_decoder_get_gpios_state() local
27 unsigned int ret = 0; in gpio_decoder_get_gpios_state()
28 int i, val; in gpio_decoder_get_gpios_state()
30 for (i = 0; i < gpios->ndescs; i++) { in gpio_decoder_get_gpios_state()
31 val = gpiod_get_value_cansleep(gpios->desc[i]); in gpio_decoder_get_gpios_state()
33 dev_err(decoder->dev, in gpio_decoder_get_gpios_state()
35 desc_to_gpio(gpios->desc[i]), val); in gpio_decoder_get_gpios_state()
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/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mp-msc-sm2s-14N0600E.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 /dts-v1/;
7 #include "imx8mp-msc-sm2s.dtsi"
33 gbe0-int-hog {
34 gpio-hog;
36 gpios = <3 GPIO_ACTIVE_LOW>;
39 gbe1-int-hog {
40 gpio-hog;
42 gpios = <4 GPIO_ACTIVE_LOW>;
45 cam2-rst-hog {
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/linux/include/sound/
H A Dsoc-jack.h1 /* SPDX-License-Identifier: GPL-2.0
3 * soc-jack.h
12 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
16 * @invert: if non-zero then pin is enabled when status is not reported
22 int mask;
27 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
37 unsigned int min_mv;
38 unsigned int max_mv;
39 unsigned int jack_type;
40 unsigned int debounce_time;
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/linux/Documentation/devicetree/bindings/media/
H A Dsamsung,s5c73m3.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
14 The S5C73M3 camera ISP supports MIPI CSI-2 and parallel (ITU-R BT.656)
31 clock-names:
33 - const: cis_extclk
35 clock-frequency:
39 standby-gpios:
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/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-bmc-ufispace-ncplite.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /dts-v1/;
5 #include "aspeed-g6.dtsi"
6 #include <dt-bindings/i2c/i2c.h>
7 #include <dt-bindings/gpio/aspeed-gpio.h>
11 compatible = "ufispace,ncplite-bmc", "aspeed,ast2600";
18 stdout-path = &uart5;
27 iio-hwmon {
28 compatible = "iio-hwmon";
29 io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
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/linux/Documentation/devicetree/bindings/net/bluetooth/
H A Dbrcm,bluetooth.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
13 This binding describes Broadcom UART-attached bluetooth chips.
18 - items:
19 - enum:
20 - infineon,cyw43439-bt
21 - const: brcm,bcm4329-bt
22 - enum:
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/linux/arch/arm64/boot/dts/qcom/
H A Dmsm8916-samsung-j5-common.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 #include "msm8916-pm8916.dtsi"
4 #include "msm8916-modem-qdsp6.dtsi"
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
18 stdout-path = "serial0";
21 reserved-memory {
23 tz-apps@85500000 {
25 no-map;
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/linux/arch/arm/mach-pxa/
H A Dam300epd.c2 * am300epd.c -- Platform device for AM300 EPD kit
10 * This work was made possible by help and equipment support from E-Ink
14 * on the AM300 EPD prototype kit/development kit with an E-Ink 800x600
32 #include "mfp-pxa25x.h"
34 #include <linux/platform_data/video-pxafb.h>
40 static unsigned int panel_type = 6;
56 /* this is the 16-bit hdb bus 58-73 */
94 static int gpios[] = { PWR_GPIO_PIN, CFG_GPIO_PIN, RDY_GPIO_PIN, DC_GPIO_PIN, variable
100 static int am300_wait_event(struct broadsheetfb_par *par) in am300_wait_event()
103 wait_event(par->waitq, gpio_get_value(RDY_GPIO_PIN)); in am300_wait_event()
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/linux/drivers/pinctrl/renesas/
H A Dgpio.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2009 - 2012 Paul Mundt
40 return chip->pfc; in gpio_to_pfc()
43 static void gpio_get_data_reg(struct sh_pfc_chip *chip, unsigned int offset, in gpio_get_data_reg()
45 unsigned int *bit) in gpio_get_data_reg()
47 int idx = sh_pfc_get_pin_index(chip->pfc, offset); in gpio_get_data_reg()
48 struct sh_pfc_gpio_pin *gpio_pin = &chip->pins[idx]; in gpio_get_data_reg()
50 *reg = &chip->regs[gpio_pin->dreg]; in gpio_get_data_reg()
51 *bit = gpio_pin->dbit; in gpio_get_data_reg()
57 phys_addr_t address = dreg->reg; in gpio_read_data_reg()
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/linux/drivers/platform/x86/intel/int3472/
H A Ddiscrete.c1 // SPDX-License-Identifier: GPL-2.0
21 * 79234640-9e10-4fea-a5c1-b5aa8b19756f
36 * 822ace8f-2814-4174-a56b-5f029fe079ee
48 obj = acpi_evaluate_dsm_typed(int3472->sensor->handle, in skl_int3472_log_sensor_module_name()
52 dev_dbg(int3472->dev, "Sensor module id: '%s'\n", obj->string.pointer); in skl_int3472_log_sensor_module_name()
57 static int skl_int3472_fill_gpiod_lookup(struct gpiod_lookup *table_entry, in skl_int3472_fill_gpiod_lookup()
61 char *path = agpio->resource_source.string_ptr; in skl_int3472_fill_gpiod_lookup()
68 return -EINVAL; in skl_int3472_fill_gpiod_lookup()
72 return -ENODEV; in skl_int3472_fill_gpiod_lookup()
74 *table_entry = GPIO_LOOKUP(acpi_dev_name(adev), agpio->pin_table[0], con_id, gpio_flags); in skl_int3472_fill_gpiod_lookup()
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