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/linux/include/kunit/
H A Dtest.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 #include <kunit/try-catch.h>
47 * sub-subtest. See the "Subtests" section in
48 * https://node-tap.org/tap-protocol/
55 * enum kunit_status - Type of result for a test or test suite
89 * struct kunit_case - represents an individual test case.
109 * .. code-block:: c
115 * KUNIT_EXPECT_EQ(test, 0, add(-1, 1));
117 * KUNIT_EXPECT_EQ(test, -1, add(INT_MAX, INT_MIN));
151 * KUNIT_CASE - A helper for creating a &struct kunit_case
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/linux/scripts/kconfig/
H A Dexpr.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
24 * expr_lookup - return the expression with the given type and sub-nodes
25 * This looks up an expression with the specified type and sub-nodes. If such
29 * @l: left node
41 if (e->type == type && e->left._initdata == l && in expr_lookup()
42 e->right._initdata == r) in expr_lookup()
47 e->type = type; in expr_lookup()
48 e->left._initdata = l; in expr_lookup()
49 e->right._initdata = r; in expr_lookup()
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/linux/sound/soc/sunxi/
H A Dsun50i-codec-analog.c1 // SPDX-License-Identifier: GPL-2.0+
6 * Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org>
10 * Based on sun8i-codec-analog.c
22 #include <sound/soc-dapm.h>
25 #include "sun8i-adda-pr-regmap.h"
178 -450, 150, 0);
184 static const DECLARE_TLV_DB_SCALE(sun50i_codec_hp_vol_scale, -6300, 100, 1);
188 2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
193 2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
203 /* Mixer pre-gain */
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/linux/include/media/
H A Dv4l2-rect.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * v4l2-rect.h - v4l2_rect helper functions
14 * v4l2_rect_set_size_to() - copy the width/height values.
21 r->width = size->width; in v4l2_rect_set_size_to()
22 r->height = size->height; in v4l2_rect_set_size_to()
26 * v4l2_rect_set_min_size() - width and height of r should be >= min_size.
33 if (r->width < min_size->width) in v4l2_rect_set_min_size()
34 r->width = min_size->width; in v4l2_rect_set_min_size()
35 if (r->height < min_size->height) in v4l2_rect_set_min_size()
36 r->height = min_size->height; in v4l2_rect_set_min_size()
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/linux/Documentation/userspace-api/media/v4l/
H A Dpixfmt-y8i.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-Y8I:
10 Interleaved grey-scale image, e.g. from a stereo-pair
16 This is a grey-scale image with a depth of 8 bits per pixel, but with
17 pixels from 2 sources interleaved. Each pixel is stored in a 16-bit
18 word. E.g. the R200 RealSense camera stores pixel from the left sensor
27 .. flat-table::
28 :header-rows: 0
29 :stub-columns: 0
31 * - start + 0:
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/linux/sound/soc/codecs/
H A Dtlv320aic3x.c1 // SPDX-License-Identifier: GPL-2.0-only
16 * ---------------------------------------
17 * MONO_LOUT -> N/A | MONO_LOUT -> N/A
18 * | IN1L -> LINE1L
19 * | IN1R -> LINE1R
20 * | IN2L -> LINE2L
21 * | IN2R -> LINE2R
22 * | MIC3L/R -> N/A
25 * ---------------------------------------
89 /* Output Common-Mode Voltage */
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H A Des8328.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * es8328.c -- ES8328 ALSA SoC Audio driver
5 * Copyright 2014 Sutajio Ko-Usagi PTE LTD
99 static const DECLARE_TLV_DB_SCALE(play_tlv, -3000, 100, 0);
100 static const DECLARE_TLV_DB_SCALE(dac_adc_tlv, -9600, 50, 0);
101 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
123 if (es8328->deemph) { in es8328_set_deemph()
126 if (abs(deemph_settings[i].rate - es8328->playback_fs) < in es8328_set_deemph()
127 abs(deemph_settings[best].rate - es8328->playback_fs)) in es8328_set_deemph()
136 dev_dbg(component->dev, "Set deemphasis %d\n", val); in es8328_set_deemph()
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H A Dadau1761.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2011-2013 Analog Devices Inc.
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
125 static const DECLARE_TLV_DB_SCALE(adau1761_sing_in_tlv, -1500, 300, 1);
126 static const DECLARE_TLV_DB_SCALE(adau1761_diff_in_tlv, -1200, 75, 0);
127 static const DECLARE_TLV_DB_SCALE(adau1761_out_tlv, -5700, 100, 0);
128 static const DECLARE_TLV_DB_SCALE(adau1761_sidetone_tlv, -1800, 300, 1);
129 static const DECLARE_TLV_DB_SCALE(adau1761_boost_tlv, -600, 600, 1);
130 static const DECLARE_TLV_DB_SCALE(adau1761_pga_boost_tlv, -2000, 2000, 1);
132 static const DECLARE_TLV_DB_SCALE(adau1761_alc_max_gain_tlv, -1200, 600, 0);
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H A Dtwl6040.c1 // SPDX-License-Identifier: GPL-2.0-only
21 #include <sound/soc-dapm.h>
61 u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
69 /* set of rates for each pll: low-power and high-performance */
95 #define to_twl6040(component) dev_get_drvdata((component)->dev->parent)
104 return -EIO; in twl6040_read()
112 value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL]; in twl6040_read()
132 return priv->dl1_unmuted; in twl6040_can_write_to_chip()
135 return priv->dl2_unmuted; in twl6040_can_write_to_chip()
152 priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value; in twl6040_update_dl12_cache()
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H A Dda7213.c1 // SPDX-License-Identifier: GPL-2.0-or-later
34 /* -54dB */
35 0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
36 /* -52.5dB to 15dB */
37 0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
42 /* -78dB to 12dB */
43 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
52 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
53 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
54 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
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H A Dcs42l73.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * cs42l73.c -- CS42L73 ALSA Soc Audio driver
26 #include <sound/soc-dapm.h>
54 { 6, 0xF1 }, /* r06 - Power Ctl 1 */
55 { 7, 0xDF }, /* r07 - Power Ctl 2 */
56 { 8, 0x3F }, /* r08 - Power Ctl 3 */
57 { 9, 0x50 }, /* r09 - Charge Pump Freq */
58 { 10, 0x53 }, /* r0A - Output Load MicBias Short Detect */
59 { 11, 0x00 }, /* r0B - DMIC Master Clock Ctl */
60 { 12, 0x00 }, /* r0C - Aux PCM Ctl */
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H A Dwm8903.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8903.c -- WM8903 ALSA SoC Audio driver
5 * Copyright 2008-12 Wolfson Microelectronics
6 * Copyright 2011-2012 NVIDIA, Inc.
11 * - TDM mode configuration.
41 { 4, 0x0018 }, /* R4 - Bias Control 0 */
42 { 5, 0x0000 }, /* R5 - VMID Control 0 */
43 { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */
44 { 8, 0x0001 }, /* R8 - Analogue DAC 0 */
45 { 10, 0x0001 }, /* R10 - Analogue ADC 0 */
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/linux/kernel/bpf/
H A Drange_tree.c1 // SPDX-License-Identifier: GPL-2.0-only
13 * rn->rn_rbnode links it into an interval tree while
14 * rn->rb_range_size links it into a second rbtree sorted by size of the range.
23 * The implementation relies on external lock to protect rbtree-s.
24 * The alloc/free of range_node-s is done via bpf_mem_alloc.
52 return rn->rn_last - rn->rn_start + 1; in rn_size()
58 struct rb_node *rb = rt->range_size_root.rb_root.rb_node; in __find_range()
66 rb = rb->rb_right; in __find_range()
68 rb = rb->rb_left; in __find_range()
81 return -ENOENT; in range_tree_find()
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/linux/drivers/md/persistent-data/
H A Ddm-btree-remove.c1 // SPDX-License-Identifier: GPL-2.0-only
8 #include "dm-btree.h"
9 #include "dm-btree-internal.h"
10 #include "dm-transaction-manager.h"
13 #include <linux/device-mapper.h>
29 * Each node may have a left or right sibling. When decending the spine,
36 * [B] No left sibling
40 * ==> rebalance(left sibling, node)
42 * [D] Both siblings, total_entries(left, node, right) <= DEL_THRESHOLD
43 * ==> delete node adding it's contents to left and right
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/linux/net/sunrpc/
H A Dsysctl.c1 // SPDX-License-Identifier: GPL-2.0-only
58 return -EINVAL; in proc_do_xprt()
71 size_t left, len; in proc_dodebug() local
78 left = *lenp; in proc_dodebug()
82 while (left && isspace(*p)) { in proc_dodebug()
83 left--; in proc_dodebug()
86 if (!left) in proc_dodebug()
89 if (left > sizeof(tmpbuf) - 1) in proc_dodebug()
90 return -EINVAL; in proc_dodebug()
91 memcpy(tmpbuf, p, left); in proc_dodebug()
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/linux/arch/parisc/math-emu/
H A Dsfcmp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
42 register unsigned int left, right; in sgl_fcmp() local
46 left = *leftptr; in sgl_fcmp()
52 if( (Sgl_exponent(left) == SGL_INFINITY_EXPONENT) in sgl_fcmp()
58 if( ( (Sgl_exponent(left) == SGL_INFINITY_EXPONENT) in sgl_fcmp()
59 && Sgl_isnotzero_mantissa(left) in sgl_fcmp()
60 && (Exception(cond) || Sgl_isone_signaling(left))) in sgl_fcmp()
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H A Dsfsub.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
42 register unsigned int left, right, result, extent; in sgl_fsub() local
50 left = *leftptr; in sgl_fsub()
55 Sgl_xortointp1(left,right,/*to*/save); in sgl_fsub()
60 if ((result_exponent = Sgl_exponent(left)) == SGL_INFINITY_EXPONENT) in sgl_fsub()
62 if (Sgl_iszero_mantissa(left)) in sgl_fsub()
80 *dstptr = left; in sgl_fsub()
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H A Dsfadd.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
42 register unsigned int left, right, result, extent; in sgl_fadd() local
52 left = *leftptr; in sgl_fadd()
57 Sgl_xortointp1(left,right,/*to*/save); in sgl_fadd()
62 if ((result_exponent = Sgl_exponent(left)) == SGL_INFINITY_EXPONENT) in sgl_fadd()
64 if (Sgl_iszero_mantissa(left)) in sgl_fadd()
82 *dstptr = left; in sgl_fadd()
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H A Dhppa.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
10 PA header file -- do not include this header file for non-PA builds.
14 /* amount is assumed to be a constant between 0 and 32 (non-inclusive) */
15 #define Shiftdouble(left,right,amount,dest) \ argument
16 /* int left, right, amount, dest; */ \
17 dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount))
20 #define Variableshiftdouble(left,right,amount,dest) \ argument
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/linux/Documentation/sound/cards/
H A Daudigy-mixer.rst5 This is based on sb-live-mixer.rst.
20 functionality. Only the default built-in code in the ALSA driver is described
34 one-way three wire serial bus for digital sound by Philips Semiconductors
42 FX-bus
48 ----------------------------------------
49 This control is used to attenuate samples from left and right front PCM FX-bus
50 accumulators. ALSA uses accumulators 8 and 9 for left and right front PCM
54 -------------------------------------------
55 This control is used to attenuate samples from left and right surround PCM FX-bus
56 accumulators. ALSA uses accumulators 2 and 3 for left and right surround PCM
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H A Dsb-live-mixer.rst19 (index 0) for a given card) allows to forward 48kHz, stereo, 16-bit
22 to 8 raw PCM devices operating at 48kHz, 16-bit little endian. It would
24 but the conversion routines exist only for stereo (2-channel streams)
34 functionality. Only the default built-in code in the ALSA driver is described
48 one-way three wire serial bus for digital sound by Philips Semiconductors
56 FX-bus
63 ---------------------------------------
64 This control is used to attenuate samples from left and right PCM FX-bus
65 accumulators. ALSA uses accumulators 0 and 1 for left and right PCM samples.
69 ------------------------------------------------
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/linux/arch/x86/crypto/
H A Ddes3_ede-asm_64.S1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * des3_ede-asm_64.S - x86-64 assembly implementation of 3DES cipher
10 .file "des3_ede-asm_64.S"
68 * 1-way 3DES
92 #define initial_permutation(left, right) \ argument
93 do_permutation(left##d, right##d, 4, 0x0f0f0f0f); \
94 do_permutation(left##d, right##d, 16, 0x0000ffff); \
95 do_permutation(right##d, left##d, 2, 0x33333333); \
96 do_permutation(right##d, left##d, 8, 0x00ff00ff); \
98 movl left##d, RW0d; \
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/linux/fs/quota/
H A Dkqid.c1 // SPDX-License-Identifier: GPL-2.0
7 * qid_eq - Test to see if to kquid values are the same
8 * @left: A qid value
13 bool qid_eq(struct kqid left, struct kqid right) in qid_eq() argument
15 if (left.type != right.type) in qid_eq()
17 switch(left.type) { in qid_eq()
19 return uid_eq(left.uid, right.uid); in qid_eq()
21 return gid_eq(left.gid, right.gid); in qid_eq()
23 return projid_eq(left.projid, right.projid); in qid_eq()
31 * qid_lt - Test to see if one qid value is less than another
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/linux/tools/testing/selftests/hid/tests/
H A Dbase_gamepad.py1 # SPDX-License-Identifier: GPL-2.0
64 self.left = (127, 127)
83 left=(None, None), argument
93 :param left: a tuple of absolute (x, y) value of the left joypad
128 left = replace_none_in_tuple(left, self.left)
129 self.left = left
142 self.store_axes("left_stick", gamepad, left)
150 self, *, left=(None, None), right=(None, None), hat_switch=None, buttons=None argument
155 :param left: a tuple of absolute (x, y) value of the left joypad
165 left=left, right=right, hat_switch=hat_switch, buttons=buttons
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/linux/drivers/firmware/
H A Dedd.c1 // SPDX-License-Identifier: GPL-2.0-only
14 * fn41 - Check Extensions Present and
15 * fn48 - Get Device Parameters with EDD extensions
38 #define EDD_DATE "2004-Jun-25"
45 #define left (PAGE_SIZE - (p - buf) - 1) macro
76 return edev->index < min_t(unsigned char, edd.mbr_signature_nr, EDD_MBR_SIG_MAX); in edd_has_mbr_signature()
82 return edev->index < min_t(unsigned char, edd.edd_info_nr, EDDMAXNR); in edd_has_edd_info()
88 return edev->info; in edd_dev_get_info()
94 edev->index = i; in edd_dev_set_info()
96 edev->mbr_signature = edd.mbr_signature[i]; in edd_dev_set_info()
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