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/linux/Documentation/devicetree/bindings/iio/dac/
H A Dadi,ltc2664.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
11 - Kim Seer Paller <kimseer.paller@analog.com>
14 Analog Devices LTC2664 4 channel, 12-/16-Bit, +-10V DAC
15 https://www.analog.com/media/en/technical-documentation/data-sheets/2664fa.pdf
20 - adi,ltc2664
25 spi-max-frequency:
28 vcc-supply:
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/linux/drivers/iio/dac/
H A Dltc2664.c1 // SPDX-License-Identifier: GPL-2.0
3 * LTC2664 4 channel, 12-/16-Bit Voltage Output SoftSpan DAC driver
4 * LTC2672 5 channel, 12-/16-Bit Current Output Softspan DAC driver
92 /* span code of the channel */
93 u8 span; member
115 { -5000, 5000 },
116 { -10000, 10000 },
117 { -2500, 2500 },
134 const struct ltc2664_chan *chan = &st->channels[c]; in ltc2664_scale_get()
135 const int (*span_helper)[2] = st->chip_info->span_helper; in ltc2664_scale_get()
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/linux/sound/soc/codecs/
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"
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()
252 dev_warn(nau8825->dev, "Acquire semaphore fail\n"); in nau8825_sema_acquire()
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/linux/mm/
H A Dmm_init.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * mm_init.c - Memory initialisation verification and debugging
18 #include <linux/page-isolation.h>
42 /* The zonelists are simply reported, validation is manual. */
62 zonelist = &pgdat->node_zonelists[listid]; in mminit_verify_zonelist()
63 zone = &pgdat->node_zones[zoneid]; in mminit_verify_zonelist()
70 zone->nam in mminit_verify_zonelist()
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/linux/drivers/net/ethernet/intel/i40e/
H A Di40e_main.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2021 Intel Corporation. */
31 static const char i40e_copyright[] = "Copyright (c) 2013 - 2019 Intel Corporation.";
57 /* i40e_pci_tbl - PCI Device ID Table
97 static int debug = -1;
116 if (is_unicast_ether_addr(f->macaddr) || is_link_local_ether_addr(f->macaddr)) in netdev_hw_addr_refcnt()
117 ha_list = &netdev->uc; in netdev_hw_addr_refcnt()
119 ha_list = &netdev->mc; in netdev_hw_addr_refcnt()
122 if (ether_addr_equal(ha->addr, f->macaddr)) { in netdev_hw_addr_refcnt()
123 ha->refcount += delta; in netdev_hw_addr_refcnt()
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/linux/drivers/net/ethernet/chelsio/cxgb4/
H A Dt4_hw.c4 * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
16 * - Redistributions of source code must retain the above
20 * - Redistributions in binary form must reproduce the above
43 * t4_wait_op_done_val - wait until an operation is completed
44 * @adapter: the adapter performing the operation
46 * @mask: a single-bit field within @reg that indicates completion
47 * @polarity: the value of the field when the operation is completed
52 * Wait until an operation is completed by checking a bit in a register
55 * operation completes and -EAGAIN otherwise.
68 if (--attempts == 0) in t4_wait_op_done_val()
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