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/linux/Documentation/devicetree/bindings/input/touchscreen/
H A Dedt-ft5x06.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/edt-ft5x06.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: FocalTech EDT-FT5x06 Polytouch
18 - Dmitry Torokhov <dmitry.torokhov@gmail.com>
21 - $ref: touchscreen.yaml#
22 - if:
27 - evervision,ev-ft5726
31 offset-x: true
[all …]
/linux/drivers/hid/
H A Dhid-nintendo.c1 // SPDX-License-Identifier: GPL-2.0+
3 * HID driver for Nintendo Switch Joy-Cons and Pro Controllers
5 * Copyright (c) 2019-2021 Daniel J. Ogorchock <djogorchock@gmail.com>
12 * https://gitlab.com/pjranki/joycon-linux-kernel (Peter Rankin)
16 * hid-wiimote kernel hid driver
17 * hid-logitech-hidpp driver
18 * hid-sony driver
20 * This driver supports the Nintendo Switch Joy-Cons and Pro Controllers. The
31 #include "hid-ids.h"
46 * Reference the url below for the following HID report defines:
[all …]
H A Dhid-multitouch.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
6 * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com>
7 * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
8 * Copyright (c) 2012-2013 Red Hat, Inc
10 * This code is partly based on hid-egalax.c:
16 * This code is partly based on hid-3m-pct.c:
18 * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
27 * This driver is regularly tested thanks to the test suite in hid-tools[1].
31 * [1] https://gitlab.freedesktop.org/libevdev/hid-tools
[all …]
/linux/sound/soc/codecs/
H A Dwm8996.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm8996.c - WM8996 audio codec interface
5 * Copyright 2011-2 Wolfson Microelectronics PLC.
108 regcache_mark_dirty(wm8996->regmap); \
299 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
300 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
301 static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
302 static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
303 static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
304 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
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H A Dwm8994.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8994.c -- WM8994 ALSA SoC Audio driver
5 * Copyright 2009-12 Wolfson Microelectronics plc
114 struct wm8994 *control = wm8994->wm8994; in wm8958_micd_set_rate()
120 idle = !wm8994->jack_mic; in wm8958_micd_set_rate()
124 sysclk = wm8994->aifclk[1]; in wm8958_micd_set_rate()
126 sysclk = wm8994->aifclk[0]; in wm8958_micd_set_rate()
128 if (control->pdata.micd_rates) { in wm8958_micd_set_rate()
129 rates = control->pdata.micd_rates; in wm8958_micd_set_rate()
130 num_rates = control->pdata.num_micd_rates; in wm8958_micd_set_rate()
[all …]
H A Dda7218.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * da7218.c - DA7218 ALSA SoC Codec Driver
22 #include <sound/soc-dapm.h>
37 static const DECLARE_TLV_DB_SCALE(da7218_mic_gain_tlv, -600, 600, 0);
38 static const DECLARE_TLV_DB_SCALE(da7218_mixin_gain_tlv, -450, 150, 0);
39 static const DECLARE_TLV_DB_SCALE(da7218_in_dig_gain_tlv, -8325, 75, 0);
40 static const DECLARE_TLV_DB_SCALE(da7218_ags_trigger_tlv, -9000, 600, 0);
42 static const DECLARE_TLV_DB_SCALE(da7218_alc_threshold_tlv, -9450, 150, 0);
47 static const DECLARE_TLV_DB_SCALE(da7218_dmix_gain_tlv, -4200, 150, 0);
50 static const DECLARE_TLV_DB_SCALE(da7218_dgs_trigger_tlv, -9450, 150, 0);
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H A Drt5682.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // rt5682.c -- RT5682 ALSA SoC audio component driver
25 #include <sound/soc-dapm.h>
38 "LDO1-IN",
60 ret = regmap_multi_reg_write(rt5682->regmap, patch_list, in rt5682_apply_patch_list()
751 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -652
2676 rt5682_wclk_round_rate(struct clk_hw * hw,unsigned long rate,unsigned long * parent_rate) rt5682_wclk_round_rate() argument
2699 rt5682_wclk_set_rate(struct clk_hw * hw,unsigned long rate,unsigned long parent_rate) rt5682_wclk_set_rate() argument
2780 rt5682_bclk_get_factor(unsigned long rate,unsigned long parent_rate) rt5682_bclk_get_factor() argument
2796 rt5682_bclk_round_rate(struct clk_hw * hw,unsigned long rate,unsigned long * parent_rate) rt5682_bclk_round_rate() argument
2819 rt5682_bclk_set_rate(struct clk_hw * hw,unsigned long rate,unsigned long parent_rate) rt5682_bclk_set_rate() argument
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H A Dnau8825.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Co-author: Meng-Huang Kuo <mhkuo@nuvoton.com>
35 #define NUVOTON_CODEC_DAI "nau8825-hifi"
101 /* over sampling rate */
223 * nau8825_sema_acquire - acquire the semaphore of nau88l25
233 * this function returns -ETIME. If the sleep is interrupted by a signal,
234 * this function will return -EINTR. It returns 0 if the semaphore was
246 ret = down_timeout(&nau8825->xtalk_sem, timeout); in nau8825_sema_acquire()
248 dev_warn(nau8825->dev, "Acquire semaphore timeout\n"); in nau8825_sema_acquire()
250 ret = down_trylock(&nau8825->xtalk_sem); in nau8825_sema_acquire()
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H A Drt5682s.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // rt5682s.c -- RT5682I-VS ALSA SoC audio component driver
25 #include <sound/soc-dapm.h>
38 .dai_clk_names[RT5682S_DAI_WCLK_IDX] = "rt5682-dai-wclk",
39 .dai_clk_names[RT5682S_DAI_BCLK_IDX] = "rt5682-dai-bclk",
46 [RT5682S_SUPPLY_LDO1_IN] = "LDO1-IN",
69 ret = regmap_multi_reg_write(rt5682s->regmap, patch_list, ARRAY_SIZE(patch_list)); in rt5682s_apply_patch_list()
624 regmap_write(rt5682s->regmap, RT5682S_RESET, 0); in rt5682s_reset()
634 dev_dbg(component->dev, "%s btn_type=%x\n", __func__, btn_type); in rt5682s_button_detect()
651 mutex_lock(&rt5682s->sar_mutex); in rt5682s_sar_power_mode()
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/linux/Documentation/driver-api/media/drivers/
H A Dvidtv.rst1 .. SPDX-License-Identifier: GPL-2.0
10 ----------
18 - A fake tuner driver, which will report a bad signal quality if the chosen
22 - A fake demod driver, which will constantly poll the fake signal quality
26 - A fake bridge driver, which is the module responsible for modprobing the
31 - Code responsible for encoding a valid MPEG Transport Stream, which is then
33 For now, we have a single, audio-only channel containing a single MPEG
34 Elementary Stream, which in turn contains a SMPTE 302m encoded sine-wave.
39 --------------
45 - Enable **DVB_TEST_DRIVERS**, then
[all …]
/linux/include/media/
H A Ddvb_frontend.h4 * The Digital TV Frontend kABI defines a driver-internal interface for
5 * registering low-level, hardware specific driver to a hardware independent
28 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
61 * struct dvb_frontend_tune_settings - parameters to adjust frontend tuning
67 * NOTE: step_size is in Hz, for terrestrial/cable or kHz for satellite
78 * struct dvb_tuner_info - Frontend name and min/max ranges/bandwidths
81 * @frequency_min_hz: minimal frequency supported in Hz
82 * @frequency_max_hz: maximum frequency supported in Hz
83 * @frequency_step_hz: frequency step in Hz
101 * struct analog_parameters - Parameters to tune into an analog/radio channel
[all …]
/linux/Documentation/sound/cards/
H A Dcmipci.rst2 Brief Notes on C-Media 8338/8738/8768/8770 Driver
8 Front/Rear Multi-channel Playback
9 ---------------------------------
13 DACs, both streams are handled independently unlike the 4/6ch multi-
22 - The first DAC supports U8 and S16LE formats, while the second DAC
24 - The second DAC supports only two channel stereo.
27 rate but only fixed rates: 5512, 8000, 11025, 16000, 22050, 32000,
28 44100 and 48000 Hz.
51 control switch in the driver "Line-In As Rear", which you can change
52 via alsamixer or somewhat else. When this switch is on, line-in jack
[all …]
/linux/drivers/devfreq/
H A Dimx8m-ddrc.c1 // SPDX-License-Identifier: GPL-2.0
13 #include <linux/clk-provider.h>
14 #include <linux/arm-smccc.h>
27 unsigned long rate; member
40 * +----------+ |\ +------+
41 * | dram_pll |-------|M| dram_core | |
42 * +----------+ |U|---------->| D |
43 * /--|X| | D |
46 * +---------+ | |
48 * +---------+ | |
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/linux/drivers/gpu/drm/amd/display/dc/link/protocols/
H A Dlink_dp_capability.c57 link->ctx->logger
109 return (link->dpcd_caps.dongle_type >= DISPLAY_DONGLE_DP_VGA_CONVERTER) && in is_dp_active_dongle()
110 (link->dpcd_caps.dongle_type <= DISPLAY_DONGLE_DP_HDMI_CONVERTER); in is_dp_active_dongle()
115 return link->dpcd_caps.is_branch_dev; in is_dp_branch_device()
133 return -1; in translate_dpcd_max_bpc()
187 link_rate = LINK_RATE_LOW; // Rate_1 (RBR) - 1.62 Gbps/Lane in linkRateInKHzToLinkRateMultiplier()
190 link_rate = LINK_RATE_RATE_2; // Rate_2 - 2.16 Gbps/Lane in linkRateInKHzToLinkRateMultiplier()
193 link_rate = LINK_RATE_RATE_3; // Rate_3 - 2.43 Gbps/Lane in linkRateInKHzToLinkRateMultiplier()
196 link_rate = LINK_RATE_HIGH; // Rate_4 (HBR) - 2.70 Gbps/Lane in linkRateInKHzToLinkRateMultiplier()
199 link_rate = LINK_RATE_RBR2; // Rate_5 (RBR2)- 3.24 Gbps/Lane in linkRateInKHzToLinkRateMultiplier()
[all …]
/linux/include/uapi/linux/
H A Dmroute.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
47 #define ALL_VIFS ((vifi_t)(-1))
58 /* Passed by mrouted for an MRT_ADD_VIF - again we use the
65 unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
85 unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */
133 #define IPMRA_TABLE_MAX (__IPMRA_TABLE_MAX - 1)
136 * [ IPMRA_TABLE_VIFS ] - nested attribute
137 * [ IPMRA_VIF ] - nested attribute
145 #define IPMRA_VIF_MAX (__IPMRA_VIF_MAX - 1)
147 /* vif-specific attributes */
[all …]
/linux/drivers/net/wireless/intel/iwlwifi/dvm/
H A Ddev.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright(c) 2003 - 2014, 2020, 2023 Intel Corporation. All rights reserved.
22 #include "iwl-nvm-utils.h"
23 #include "iwl-csr.h"
24 #include "iwl-debug.h"
25 #include "iwl-agn-hw.h"
26 #include "iwl-op-mode.h"
27 #include "fw/notif-wait.h"
28 #include "iwl-trans.h"
35 /* CT-KILL constants */
[all …]
/linux/drivers/clk/ti/
H A Ddpll3xxx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * OMAP3/4 - specific DPLL control functions
5 * Copyright (C) 2009-2010 Texas Instruments, Inc.
6 * Copyright (C) 2009-2010 Nokia Corporation
46 /* _omap3_dpll_write_clken - write clken_bits arg to a DPLL's enable bits */
52 dd = clk->dpll_data; in _omap3_dpll_write_clken()
54 v = ti_clk_ll_ops->clk_readl(&dd->control_reg); in _omap3_dpll_write_clken()
55 v &= ~dd->enable_mask; in _omap3_dpll_write_clken()
56 v |= clken_bits << __ffs(dd->enable_mask); in _omap3_dpll_write_clken()
57 ti_clk_ll_ops->clk_writel(v, &dd->control_reg); in _omap3_dpll_write_clken()
[all …]
/linux/Documentation/spi/
H A Dspidev.rst5 SPI devices have a limited userspace API, supporting basic half-duplex
19 * Prototyping in an environment that's not crash-prone; stray pointers
38 - struct spi_device_id spidev_spi_ids[]: list of devices that can be
42 - struct of_device_id spidev_dt_ids[]: list of devices that can be
46 - struct acpi_device_id spidev_acpi_ids[]: list of devices that can
52 post a patch for spidev to the linux-spi@vger.kernel.org mailing list.
101 Since this is a standard Linux device driver -- even though it just happens
102 to expose a low level API to userspace -- it can be associated with any number
112 Standard read() and write() operations are obviously only half-duplex, and
113 the chipselect is deactivated between those operations. Full-duplex access,
[all …]
/linux/drivers/firmware/arm_scmi/
H A Dclock.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2018-2022 ARM Ltd.
121 } rate[]; member
184 if (clk_id >= ci->num_clocks) in scmi_clock_domain_lookup()
185 return ERR_PTR(-EINVAL); in scmi_clock_domain_lookup()
187 return ci->clk + clk_id; in scmi_clock_domain_lookup()
198 ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, in scmi_clock_protocol_attributes_get()
203 attr = t->rx.buf; in scmi_clock_protocol_attributes_get()
205 ret = ph->xops->do_xfer(ph, t); in scmi_clock_protocol_attributes_get()
207 ci->num_clocks = le16_to_cpu(attr->num_clocks); in scmi_clock_protocol_attributes_get()
[all …]
/linux/drivers/net/wireless/st/cw1200/
H A Dtxrx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Datapath implementation for ST-Ericsson CW1200 mac80211 drivers
5 * Copyright (c) 2010, ST-Ericsson
25 const struct ieee80211_tx_rate *rate);
34 cw1200_queue_lock(&priv->tx_queue[i]); in cw1200_tx_queues_lock()
41 cw1200_queue_unlock(&priv->tx_queue[i]); in cw1200_tx_queues_unlock()
50 policy->raw[0] & 0x0F, policy->raw[0] >> 4, in tx_policy_dump()
51 policy->raw[1] & 0x0F, policy->raw[1] >> 4, in tx_policy_dump()
52 policy->raw[2] & 0x0F, policy->raw[2] >> 4, in tx_policy_dump()
53 policy->raw[3] & 0x0F, policy->raw[3] >> 4, in tx_policy_dump()
[all …]
/linux/include/uapi/linux/dvb/
H A Dfrontend.h1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
18 * enum fe_caps - Frontend capabilities
21 * frontend, and it can't report its
23 * @FE_CAN_INVERSION_AUTO: Can auto-detect frequency spectral
33 * @FE_CAN_FEC_AUTO: Can auto-detect FEC
35 * @FE_CAN_QAM_16: Supports 16-QAM modulation
36 * @FE_CAN_QAM_32: Supports 32-QAM modulation
37 * @FE_CAN_QAM_64: Supports 64-QAM modulation
38 * @FE_CAN_QAM_128: Supports 128-QAM modulation
39 * @FE_CAN_QAM_256: Supports 256-QAM modulation
[all …]
/linux/drivers/input/mouse/
H A Dpsmouse-base.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 1999-2002 Vojtech Pavlik
6 * Copyright (c) 2003-2004 Dmitry Torokhov
62 module_param_named(rate, psmouse_rate, uint, 0644);
63 MODULE_PARM_DESC(rate, "Report rate, in reports per second.");
84 PSMOUSE_DEFINE_ATTR(rate, S_IWUSR | S_IRUGO,
85 (void *) offsetof(struct psmouse, rate),
110 * (connecting, disconnecting, changing rate or resolution via
111 * sysfs). We could use a per-device semaphore but since there
137 x = packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0; in psmouse_report_standard_motion()
[all …]
H A Dcyapa_gen3.c9 * Copyright (C) 2011-2015 Cypress Semiconductor, Inc.
10 * Copyright (C) 2011-2012 Google, Inc.
60 * Used in register 0x00, bit1-0, DeviceStatus field.
88 * bit 7 - 4: high 4 bits of x position value
89 * bit 3 - 0: high 4 bits of y position value
95 /* id range is 1 - 15. It is incremented with every new touch. */
101 * bit 0 - 1: device status
102 * bit 3 - 2: power mode
103 * bit 6 - 4: reserved
108 * bit 7 - 4: number of fingers currently touching pad
[all …]
/linux/kernel/rcu/
H A Dtree_stall.h1 // SPDX-License-Identifier: GPL-2.0+
24 #define RCU_STALL_DELAY_DELTA (5 * HZ)
29 #define RCU_STALL_MIGHT_MIN (2 * HZ)
45 till_stall_check = clamp(msecs_to_jiffies(cpu_stall_timeout), 2UL, 300UL * HZ); in rcu_exp_jiffies_till_stall_check()
59 /* Limit-check stall timeouts specified at boottime and runtime. */
75 return till_stall_check * HZ + RCU_STALL_DELAY_DELTA; in rcu_jiffies_till_stall_check()
110 /* If so specified via sysctl, panic, yielding cleaner stall-warning output. */
123 * rcu_cpu_stall_reset - restart stall-warning timeout for current grace period
150 smp_mb(); // ->gp_start before ->jiffies_stall and caller's ->gp_seq. in record_gp_stall_check_time()
157 /* Zero ->ticks_this_gp and snapshot the number of RCU softirq handlers. */
[all …]
/linux/drivers/iio/adc/
H A Dti-tsc2046.c1 // SPDX-License-Identifier: GPL-2.0
29 * - rate limiting:
31 * - hrtimer:
39 /* This driver doesn't aim at the peak continuous sample rate */
61 * conversion has 12-bit resolution, whereas with this bit high, the next
62 * conversion has 8-bit resolution. This driver is optimized for 12-bi
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