Home
last modified time | relevance | path

Searched +full:diff +full:- +full:channels (Results 1 – 25 of 90) sorted by relevance

1234

/linux/drivers/iio/adc/
H A Dad7380.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * ad7380/1 : https://www.analog.com/media/en/technical-documentation/data-sheets/AD7380-7381.pdf
10 * ad7383/4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7383-7384.pdf
11 …* ad7386/7/8 : https://www.analog.com/media/en/technical-documentation/data-sheets/AD7386-7387-738…
12 * ad7380-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7380-4.pdf
13 * ad7381-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7381-4.pdf
14 …* ad7383/4-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7383-4-ad7384…
15 …* ad7386/7/8-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7386-4-7387…
16 * ad7389-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7389-4.pdf
17 * adaq4370-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4370-4.pdf
[all …]
H A Dad4030.c1 // SPDX-License-Identifier: GPL-2.0-only
109 #define AD4030_TCYC_ADJUSTED_NS (AD4030_TCYC_NS - AD4030_TCNVL_NS)
112 #define AD4632_TCYC_ADJUSTED_NS (AD4632_TCYC_NS - AD4030_TCNVL_NS)
138 const struct iio_chan_spec channels[AD4030_MAX_IIO_CHANNEL_NB]; member
141 /* Number of hardware channels */
165 s32 diff; member
169 s32 diff[2]; member
176 * For a chip with 2 hardware channel this will be used to create 2 common-mode
177 * channels:
178 * - voltage4
[all …]
H A Dad4170-4.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Analog Devices AD4170-4 ADC driver
6 * Author: Ana-Maria Cusco <ana-maria.cusco@analog.com>
17 #include <linux/clk-provider.h>
81 /* AD4170_CONFIG_A_REG - INTERFACE_CONFIG_A REGISTER */
246 [AD4170_CHAN_SETUP_REG(0) ... AD4170_CHAN_MAP_REG(AD4170_MAX_ADC_CHANNELS - 1)] = 2,
249 * also interleaved but MISC, AFE, FILTER, FILTER_FS, OFFSET are 16-bit
250 * while OFFSET, GAIN are 24-bit registers so we can't init them all to
278 AD4170_REF_BUF_PRE, /* Pre-charge referrence buffer */
283 /* maps adi,positive/negative-reference-buffer property values to enum */
[all …]
/linux/Documentation/devicetree/bindings/iio/adc/
H A Dti,ads1119.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - João Paulo Gonçalves <jpaulo.silvagoncalves@gmail.com>
13 The TI ADS1119 is a precision 16-bit ADC over I2C that offers single-ended and
28 reset-gpios:
31 avdd-supply: true
32 dvdd-supply: true
34 vref-supply:
38 "#address-cells":
[all …]
H A Dadi,ad4130.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Cosmin Tanislav <cosmin.tanislav@analog.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/AD4130-8.pdf
20 - adi,ad4130
29 clock-names:
31 - const: mclk
36 interrupt-names:
42 - int
[all …]
H A Dadi,ad4170-4.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/adi,ad4170-4.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD4170-4 and similar Analog to Digital Converters
10 - Marcelo Schmitt <marcelo.schmitt@analog.com>
13 Analog Devices AD4170-4 series of Sigma-delta Analog to Digital Converters.
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ad4170-4.pdf
16 https://www.analog.com/media/en/technical-documentation/data-sheets/ad4190-4.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad4195-4.pdf
[all …]
H A Dst,stm32-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 STM32 ADC is a successive approximation analog-to-digital converter.
11 It has several multiplexed input channels. Conversions can be performed
13 stored in a left-aligned or right-aligned 32-bit data register.
17 voltage goes beyond the user-defined, higher or lower thresholds.
22 - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
27 - st,stm32f4-adc-core
[all …]
H A Dmicrochip,mcp3564.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marius Cristea <marius.cristea@microchip.com>
13 Bindings for the Microchip family of 153.6 ksps, Low-Noise 16/24-Bit
14 Delta-Sigma ADCs with an SPI interface. Datasheet can be found here:
16 …s/aemDocuments/documents/MSLD/ProductDocuments/DataSheets/MCP3561-2-4-Family-Data-Sheet-DS20006181…
18 …ds/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP3561_2_4R-Data-Sheet-DS200006391C.pdf
20 …ProductDocuments/DataSheets/MCP3461-2-4-Two-Four-Eight-Channel-153.6-ksps-Low-Noise-16-Bit-Delta-S…
22 …/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP3461-2-4R-Family-Data-Sheet-DS20006404…
[all …]
H A Dadi,max11410.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Ibrahim Tilki <Ibrahim.Tilki@analog.com>
21 - adi,max11410
30 interrupt-names:
34 - enum: [gpio0, gpio1]
35 - const: gpio1
37 '#address-cells':
40 '#size-cells':
[all …]
H A Dadi,ad4851.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Sergiu Cuciurean <sergiu.cuciurean@analog.com>
12 - Dragos Bogdan <dragos.bogdan@analog.com>
13 - Antoniu Miclaus <antoniu.miclaus@analog.com>
16 Analog Devices AD485X fully buffered, 8-channel simultaneous sampling,
17 16/20-bit, 1 MSPS data acquisition system (DAS) with differential, wide
18 common-mode range inputs.
20 https://www.analog.com/media/en/technical-documentation/data-sheets/ad4855.pdf
[all …]
H A Dadi,ad7606.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
14 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7605-4.pdf
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606_7606-6_7606-4.pdf
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7606B.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606c-16.pdf
18 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606c-18.pdf
19 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7607.pdf
[all …]
H A Dadi,ad7292.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD7292 10-Bit Monitor and Control System
10 - Marcelo Schmitt <marcelo.schmitt1@gmail.com>
13 Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
22 - adi,ad7292
27 vref-supply:
31 spi-cpha: true
[all …]
/linux/sound/core/
H A Dpcm_lib.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Abramo Bagnara <abramo@alsa-project.org>
43 delta = new_ptr - ptr; in update_silence_vars()
47 delta += runtime->boundary; in update_silence_vars()
48 if ((snd_pcm_uframes_t)delta < runtime->silence_filled) in update_silence_vars()
49 runtime->silence_filled -= delta; in update_silence_vars()
51 runtime->silence_filled = 0; in update_silence_vars()
52 runtime->silence_start = new_ptr; in update_silence_vars()
57 * runtime->silence_start: starting pointer to silence area
58 * runtime->silence_filled: size filled with silence
[all …]
/linux/arch/arm64/boot/dts/ti/
H A Dk3-am62p-verdin-ivy.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 * https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am62p
8 * https://www.toradex.com/products/carrier-board/ivy-carrier-board
11 #include <dt-bindings/mux/mux.h>
12 #include <dt-bindings/leds/common.h>
13 #include <dt-bindings/net/ti-dp83867.h>
21 ain1_voltage_unmanaged: voltage-divider-ain1 {
22 compatible = "voltage-divider";
23 #io-channel-cells = <1>;
24 io-channels = <&ivy_adc1 0>;
[all …]
/linux/tools/testing/selftests/alsa/
H A Dpcm-test.c1 // SPDX-License-Identifier: GPL-2.0
21 #include "alsa-local.h"
69 timestamp_t now, diff; in timestamp_diff_ms() local
71 if (tstamp->tv_nsec > now.tv_nsec) { in timestamp_diff_ms()
72 diff.tv_sec = now.tv_sec - tstamp->tv_sec - in timestamp_diff_ms()
299 long rate, channels, period_size, buffer_size; test_pcm_time() local
[all...]
/linux/Documentation/devicetree/bindings/iio/proximity/
H A Dtyhx,hx9023s.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Yasin Lee <yasin.lee.x@gmail.com>
29 vdd-supply: true
31 "#address-cells":
34 "#size-cells":
38 "^channel@[0-4]$":
50 - compatible
51 - reg
[all …]
/linux/drivers/dma/
H A Ddmatest.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/dma-mapping.h>
44 "Maximum number of channels to use (default: all)");
54 "dmatest 0-memcpy 1-memset (default: 0)");
69 "Pass -1 for infinite timeout");
83 static int alignment = -1;
85 …M_DESC(alignment, "Custom data address alignment taken as 2^(alignment) (default: not used (-1))");
96 * struct dmatest_params - test parameters.
102 * @max_channels: maximum number of channels to use
106 * @timeout: transfer timeout in msec, -1 for infinite timeout
[all …]
/linux/net/rxrpc/
H A Dconn_client.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Client connection-specific management code.
13 * (2) DONT_REUSE - The connection should be discarded as soon as possible and
31 #include "ar-internal.h"
39 atomic_inc(&bundle->active); in rxrpc_activate_bundle()
48 idr_remove(&local->conn_ids, conn->proto.cid >> RXRPC_CIDSHIFT); in rxrpc_put_client_connection_id()
59 if (!idr_is_empty(&local->conn_ids)) { in rxrpc_destroy_client_conn_ids()
60 idr_for_each_entry(&local->conn_ids, conn, id) { in rxrpc_destroy_client_conn_ids()
62 conn, refcount_read(&conn->ref)); in rxrpc_destroy_client_conn_ids()
67 idr_destroy(&local->conn_ids); in rxrpc_destroy_client_conn_ids()
[all …]
/linux/Documentation/devicetree/bindings/mux/
H A Dadi,adg792a.txt4 - compatible : "adi,adg792a" or "adi,adg792g"
5 - #mux-control-cells : <0> if parallel (the three muxes are bound together
8 * Standard mux-controller bindings as described in mux-controller.yaml
11 - gpio-controller : if present, #gpio-cells below is required.
12 - #gpio-cells : should be <2>
13 - First cell is the GPO line number, i.e. 0 or 1
14 - Second cell is used to specify active high (0)
18 - idle-state : if present, array of states that the mux controllers will have
32 mux: mux-controller@50 {
35 #mux-control-cells = <1>;
[all …]
/linux/sound/soc/fsl/
H A Dlpc3xxx-i2s.c1 // SPDX-License-Identifier: GPL-2.0-or-later
23 #include "lpc3xxx-i2s.h"
42 u32 diff, trate, baseclk; in __lpc3xxx_find_clkdiv() local
44 /* Adjust rate for sample size (bits) and 2 channels and offset for in __lpc3xxx_find_clkdiv()
56 diff = ~0; in __lpc3xxx_find_clkdiv()
60 if (abs(trate - i2srate) < diff) { in __lpc3xxx_find_clkdiv()
61 diff = abs(trate - i2srate); in __lpc3xxx_find_clkdiv()
72 struct device *dev = i2s_info_p->dev; in lpc3xxx_i2s_startup()
76 guard(mutex)(&i2s_info_p->lock); in lpc3xxx_i2s_startup()
78 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in lpc3xxx_i2s_startup()
[all …]
/linux/drivers/leds/flash/
H A Dleds-tps6131x.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 #include <linux/led-class-flash.h>
14 #include <media/v4l2-flash-led-class.h>
213 u32 diff, min_diff = U32_MAX; in tps6131x_find_closest_timer_config() local
217 diff = abs(tps6131x_timer_configs[i].time_us - timeout_us); in tps6131x_find_closest_timer_config()
218 if (diff < min_diff) { in tps6131x_find_closest_timer_config()
220 min_diff = diff; in tps6131x_find_closest_timer_config()
233 if (tps6131x->reset_gpio) { in tps6131x_reset_chip()
234 gpiod_set_value_cansleep(tps6131x->reset_gpio, 1); in tps6131x_reset_chip()
236 gpiod_set_value_cansleep(tps6131x->reset_gpio, 0); in tps6131x_reset_chip()
[all …]
/linux/drivers/gpu/drm/renesas/rcar-du/
H A Drcar_du_crtc.c1 // SPDX-License-Identifier: GPL-2.0+
3 * R-Car Display Unit CRTCs
5 * Copyright (C) 2013-2015 Renesas Electronics Corporation
35 struct rcar_du_device *rcdu = rcrtc->dev; in rcar_du_crtc_read()
37 return rcar_du_read(rcdu, rcrtc->mmio_offset + reg); in rcar_du_crtc_read()
42 struct rcar_du_device *rcdu = rcrtc->dev; in rcar_du_crtc_write()
44 rcar_du_write(rcdu, rcrtc->mmio_offset + reg, data); in rcar_du_crtc_write()
49 struct rcar_du_device *rcdu = rcrtc->dev; in rcar_du_crtc_clr()
51 rcar_du_write(rcdu, rcrtc->mmio_offset + reg, in rcar_du_crtc_clr()
52 rcar_du_read(rcdu, rcrtc->mmio_offset + reg) & ~clr); in rcar_du_crtc_clr()
[all …]
/linux/sound/pci/pcxhr/
H A Dpcxhr_mix22.c1 // SPDX-License-Identifier: GPL-2.0-or-later
36 #define PCXHR_INPB(mgr, x) inb((mgr)->port[PCXHR_DSP] + (x))
37 #define PCXHR_OUTPB(mgr, x, data) outb((data), (mgr)->port[PCXHR_DSP] + (x))
72 /* values for PCHR_XLX_STATUS register - READ */
78 /* values for PCHR_XLX_STATUS register - WRITE */
96 /* values for PCXHR_XLX_SELMIC register - WRIT
[all...]
/linux/sound/drivers/
H A Daloop.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * More accurate positioning and full-duplex support:
9 * Copyright (c) Ahmet İnan <ainan at mathematik.uni-freiburg.de>
40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
42 static bool enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0};
43 static int pcm_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS -
124 unsigned int channels; global() member
554 unsigned int channels = capt->substream->runtime->channels; copy_play_buf_part_n() local
582 snd_pcm_uframes_t appl_ptr, appl_ptr1, diff; copy_play_buf() local
[all...]
/linux/sound/usb/usx2y/
H A Dusbusx2y.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * usbusx2y.c - ALSA USB US-428 Driver
5 2005-04-14 Karsten Wiese
8 Tested ok with kernel 2.6.12-rc2.
10 2004-12-14 Karsten Wiese
12 …snd_pcm_open for rawusb pcm-devices now returns -EBUSY if called without rawusb's hwdep device bei…
14 2004-12-02 Karsten Wiese
18 2004-10-26 Karsten Wiese
22 2004-10-21 Karsten Wiese
26 2004-10-03 Karsten Wiese
[all …]

1234