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Searched refs:read (Results 1 – 25 of 3288) sorted by relevance

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/linux/drivers/rtc/
H A Drtc-ds1685.c269 seconds = rtc->read(rtc, RTC_SECS); in ds1685_rtc_read_time()
270 minutes = rtc->read(rtc, RTC_MINS); in ds1685_rtc_read_time()
271 hours = rtc->read(rtc, RTC_HRS); in ds1685_rtc_read_time()
272 wday = rtc->read(rtc, RTC_WDAY); in ds1685_rtc_read_time()
273 mday = rtc->read(rtc, RTC_MDAY); in ds1685_rtc_read_time()
497 rtc->read(rtc, RTC_CTRL_C); in ds1685_rtc_set_alarm()
551 rtc->read(rtc, RTC_CTRL_C); in ds1685_rtc_alarm_irq_enable()
1099 rtc->read = ds1685_read; in ds1685_rtc_probe()
1114 if (!rtc->read || !rtc->write) in ds1685_rtc_probe()
1244 rtc->read(rtc, RTC_CTRL_C); in ds1685_rtc_probe()
[all …]
H A Drtc-bq4802.c26 u8 (*read)(struct bq4802 *, int); member
59 val = p->read(p, 0x0e); in bq4802_read_time()
62 tm->tm_sec = p->read(p, 0x00); in bq4802_read_time()
63 tm->tm_min = p->read(p, 0x02); in bq4802_read_time()
64 tm->tm_hour = p->read(p, 0x04); in bq4802_read_time()
65 tm->tm_mday = p->read(p, 0x06); in bq4802_read_time()
66 tm->tm_mon = p->read(p, 0x09); in bq4802_read_time()
69 century = p->read(p, 0x0f); in bq4802_read_time()
119 val = p->read(p, 0x0e); in bq4802_set_time()
161 p->read = bq4802_read_io; in bq4802_probe()
[all …]
/linux/Documentation/userspace-api/media/v4l/
H A Dfunc-read.rst4 .. _func-read:
7 V4L2 read()
13 v4l2-read - Read from a V4L2 device
22 .. c:function:: ssize_t read( int fd, void *buf, size_t count )
34 Max number of bytes to read
39 :c:func:`read()` attempts to read up to ``count`` bytes from file
42 section, see ##. If ``count`` is zero, :c:func:`read()` returns zero
45 :c:func:`read()` call will provide at most one frame (two fields)
73 time of the :c:func:`read()` call as soon as it is complete.
76 :c:func:`read()` call. The frame being received at :c:func:`read()`
[all …]
/linux/Documentation/ABI/testing/
H A Dconfigfs-spear-pcie-gadget20 link used to enable ltssm and read its status.
21 int_type used to configure and read type of supported interrupt
23 to read no of MSI granted.
26 vendor_id used to write and read vendor id (hex)
27 device_id used to write and read device id (hex)
28 bar0_size used to write and read bar0_size
29 bar0_address used to write and read bar0 mapped area in hex.
30 bar0_rw_offset used to write and read offset of bar0 where bar0_data
31 will be written or read.
32 bar0_data used to write and read data at bar0_rw_offset.
H A Dsysfs-driver-xdata17 The user can read the current PCIe link throughput generated
24 The file is read and write.
26 What: /sys/class/misc/dw-xdata-pcie.<device>/read
31 will create read TLPs frames - from the Endpoint to the Root
38 echo 1 > /sys/class/misc/dw-xdata-pcie.<device>/read
40 echo 0 > /sys/class/misc/dw-xdata-pcie.<device>/read
42 The user can read the current PCIe link throughput generated
46 cat /sys/class/misc/dw-xdata-pcie.<device>/read
49 The file is read and write.
H A Dsysfs-class-watchdog5 It is a read only file. It contains status of the watchdog
13 It is a read only file. It contains options of watchdog device.
19 It is a read only file. It contains firmware version of
26 It is a read only file. It contains identity string of
33 It is a read/write file. While reading, it gives '1'
45 It is a read only file. It gives active/inactive status of
52 It is a read only file. It contains watchdog device's
60 It is a read only file. It contains value of time left for
68 It is a read only file. It is read to know about current
83 It is a read only file. It shows the pretimeout governors
[all …]
H A Dsysfs-class-switchtec19 (read only)
27 Description: Component revision stored in the hardware (read only)
36 (read only)
44 Description: Device version as stored in the hardware (read only)
52 Description: Currently running firmware version (read only)
60 Description: Partition number for this device in the switch (read only)
68 Description: Total number of partitions in the switch (read only)
77 (read only)
86 (read only)
95 (read only)
/linux/Documentation/wmi/devices/
H A Dmsi-wmi-platform.rst26 [WmiDataId(1), read, write, Description("16 bytes of data")] uint8 Bytes[16];
33 [WmiDataId(1), read, write, Description("32 bytes of data")] uint8 Bytes[32];
40 [key, read] string InstanceName;
41 [read] boolean Active;
43 [WmiMethodId(1), Implemented, read, write, Description("Return the contents of a package")]
46 [WmiMethodId(2), Implemented, read, write, Description("Set the contents of a package")]
52 [WmiMethodId(4), Implemented, read, write, Description("Set the contents of a package")]
58 [WmiMethodId(6), Implemented, read, write, Description("Set the contents of a package")]
64 [WmiMethodId(8), Implemented, read, write, Description("Set the contents of a package")]
70 [WmiMethodId(10), Implemented, read, write, Description("Set the contents of a package")]
[all …]
/linux/drivers/gpu/drm/amd/display/modules/hdcp/
H A Dhdcp_ddc.c150 static enum mod_hdcp_status read(struct mod_hdcp *hdcp, in read() function
256 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BKSV, in mod_hdcp_read_bksv()
263 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BCAPS, in mod_hdcp_read_bcaps()
285 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RI_R0, in mod_hdcp_read_r0p()
311 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_0, in mod_hdcp_read_vp()
316 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_1, in mod_hdcp_read_vp()
321 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_2, in mod_hdcp_read_vp()
326 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_3, in mod_hdcp_read_vp()
331 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_4, in mod_hdcp_read_vp()
342 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BINFO, in mod_hdcp_read_binfo()
[all …]
/linux/Documentation/admin-guide/
H A Dufs.rst20 default value, supported as read-only
24 supported as read-write
28 supported as read-write
35 supported as read-write
39 supported as read-write
43 supported as read-only
47 supported as read-only
51 supported as read-only
55 supported as read-only
/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_eeprom.c93 u8 *eeprom_buf, u16 buf_size, bool read) in __amdgpu_eeprom_xfer() argument
103 .flags = read ? I2C_M_RD : 0, in __amdgpu_eeprom_xfer()
119 if (!read) { in __amdgpu_eeprom_xfer()
155 if (!read) { in __amdgpu_eeprom_xfer()
182 u8 *eeprom_buf, u16 buf_size, bool read) in amdgpu_eeprom_xfer() argument
191 else if (read) in amdgpu_eeprom_xfer()
198 eeprom_buf, buf_size, read); in amdgpu_eeprom_xfer()
203 read ? "read" : "write", EEPROM_OFFSET_SIZE); in amdgpu_eeprom_xfer()
217 eeprom_buf, ps, read); in amdgpu_eeprom_xfer()
/linux/arch/parisc/kernel/
H A Dperf_asm.S91 ;* arg0 : rdr to be read
98 ;* arg0 : rdr to be read
173 ; RDR 2 read sequence
185 ; RDR 3 read sequence
197 ; RDR 4 read sequence
209 ; RDR 5 read sequence
221 ; RDR 6 read sequence
233 ; RDR 7 read sequence
245 ; RDR 8 read sequence
257 ; RDR 9 read sequence
[all …]
/linux/Documentation/userspace-api/media/rc/
H A Dlirc-read.rst4 .. _lirc-read:
7 LIRC read()
13 lirc-read - Read from a LIRC device
22 .. c:function:: ssize_t read( int fd, void *buf, size_t count )
34 Max number of bytes to read
39 :c:func:`read()` attempts to read up to ``count`` bytes from file
41 :c:func:`read()` returns zero and has no other results. If ``count``
50 read from the chardev.
62 On success, the number of bytes read is returned. It is not an error if
/linux/Documentation/filesystems/spufs/
H A Dspufs.rst57 possible operations, e.g. read access on the wbox file.
68 read(2), pread(2), write(2), pwrite(2), lseek(2)
86 read(2)
100 read(2)
145 read(2)
176 read(2)
183 descriptor needs to be opened to read the value again.
197 read(2)
213 files can be read from the SPU through a channel read or from host user
218 read(2)
[all …]
/linux/include/trace/events/
H A Dmdio.h12 TP_PROTO(struct mii_bus *bus, char read,
15 TP_ARGS(bus, read, addr, regnum, val, err),
21 __field(char, read)
29 __entry->read = read;
36 __entry->busid, __entry->read ? "read" : "write",
/linux/drivers/crypto/inside-secure/
H A Dsafexcel_ring.c30 cdr->read = cdr->base; in safexcel_init_ring_descriptors()
67 rdr->read = rdr->base; in safexcel_init_ring_descriptors()
87 if ((ring->write == ring->read - ring->offset) || in safexcel_ring_next_cwptr()
126 void *ptr = ring->read; in safexcel_ring_next_rptr()
128 if (ring->write == ring->read) in safexcel_ring_next_rptr()
131 if (ring->read == ring->base_end) in safexcel_ring_next_rptr()
132 ring->read = ring->base; in safexcel_ring_next_rptr()
134 ring->read += ring->offset; in safexcel_ring_next_rptr()
144 return rdr->read; in safexcel_ring_curr_rptr()
152 return (rdr->read - rdr->base) / rdr->offset; in safexcel_ring_first_rdr_index()
[all …]
/linux/tools/testing/selftests/bpf/prog_tests/
H A Duser_ringbuf.c38 int read; in write_samples() local
50 read = snprintf(entry->comm, sizeof(entry->comm), "%u", i); in write_samples()
51 if (read <= 0) { in write_samples()
55 ASSERT_GT(read, 0, "snprintf_comm"); in write_samples()
56 err = read; in write_samples()
174 ASSERT_EQ(skel->bss->read, 0, "no_reads_after_load"); in load_skel_create_ringbufs()
299 ASSERT_EQ(skel->bss->read, 2, "num_samples_read_after"); in test_user_ringbuf_basic()
400 ASSERT_EQ(skel->bss->read, 0, "num_pre_kick"); in test_user_ringbuf_discards_properly_ignored()
402 ASSERT_EQ(skel->bss->read, 0, "num_post_kick"); in test_user_ringbuf_discards_properly_ignored()
634 ASSERT_EQ(skel->bss->read, 0, "num_pre_kick"); in test_user_ringbuf_blocking_reserve()
[all …]
H A Dctx_rewrite.c45 char *read; member
71 .read = "r11 = *(u8 *)($ctx + sk_buff::__mono_tc_offset);"
87 .read = "$dst = *(u32 *)($ctx + sk_buff::priority);",
92 .read = "$dst = *(u32 *)($ctx + sk_buff::mark);",
107 .read = "$dst = *(u16 *)($ctx + sk_buff::tc_index);",
130 .read = "$dst = *(u32 *)($ctx + sock::sk_mark);",
135 .read = "$dst = *(u32 *)($ctx + sock::sk_priority);",
146 .read = "$dst = *(u64 *)($ctx + bpf_sysctl_kern::ppos);"
153 .read = "$dst = *(u64 *)($ctx + bpf_sysctl_kern::ppos);"
163 .read = "$dst = *(u64 *)($ctx + bpf_sockopt_kern::sk);",
[all …]
/linux/scripts/coccinelle/api/
H A Dstream_open.cocci7 // between read and write.
95 .read = read_f,
188 // XXX for simplicity require no .{read/write}_iter and no .splice_{read/write} for now.
202 // read & write
213 .read = readstream,
248 + nonseekable_open /* read & write (was deadlock) */
274 // read, but not write
281 .read = readstream,
307 + nonseekable_open /* read only */
322 // write, but not read
[all …]
/linux/Documentation/hwmon/
H A Dltc2992.rst29 The following attributes are supported. Limits are read-write,
30 all other attributes are read-only.
39 inX_min_alarm An undervoltage occurred. Cleared on read.
40 inX_max_alarm An overvoltage occurred. Cleared on read.
47 currX_min_alarm An undercurrent occurred. Cleared on read.
48 currX_max_alarm An overcurrent occurred. Cleared on read.
55 powerX_min_alarm An underpower occurred. Cleared on read.
56 powerX_max_alarm An overpower occurred. Cleared on read.
/linux/drivers/mtd/tests/
H A Dsubpagetest.c119 size_t read; in verify_eraseblock() local
125 err = mtd_read(mtd, addr, subpgsize, &read, readbuf); in verify_eraseblock()
126 if (unlikely(err || read != subpgsize)) { in verify_eraseblock()
127 if (mtd_is_bitflip(err) && read == subpgsize) { in verify_eraseblock()
153 if (unlikely(err || read != subpgsize)) { in verify_eraseblock()
154 if (mtd_is_bitflip(err) && read == subpgsize) { in verify_eraseblock()
180 size_t read; in verify_eraseblock2() local
190 if (unlikely(err || read != subpgsize * k)) { in verify_eraseblock2()
215 size_t read; in verify_eraseblock_ff() local
223 if (unlikely(err || read != subpgsize)) { in verify_eraseblock_ff()
[all …]
H A Dtorturetest.c73 static void report_corrupt(unsigned char *read, unsigned char *written);
92 size_t read; in check_eraseblock() local
102 err = mtd_read(mtd, addr, len, &read, check_buf); in check_eraseblock()
108 "read %zd\n", err, ebnum, read); in check_eraseblock()
112 if (read != len) { in check_eraseblock()
115 len, ebnum, read); in check_eraseblock()
383 if (countdiffs(written, read, i, pgsize, &bytes, in report_corrupt()
395 first = countdiffs(written, read, i, pgsize, &bytes, in report_corrupt()
411 print_bufs(read, written, offset, len); in report_corrupt()
426 printk(" %02x", read[start + i + j1]); in print_bufs()
[all …]
/linux/Documentation/block/
H A Dstat.rst29 read I/Os requests number of read I/Os processed
30 read merges requests number of read I/Os merged with in-queue I/O
31 read sectors sectors number of sectors read
32 read ticks milliseconds total wait time for read requests
48 read I/Os, write I/Os, discard I/0s
61 read merges, write merges, discard merges
67 read sectors, write sectors, discard_sectors
70 These values count the number of sectors read from, written to, or
75 read ticks, write ticks, discard ticks, flush ticks
81 example, if 60 read requests wait for an average of 30 ms, the read_ticks
[all …]
/linux/drivers/gpio/
H A Dgpio-lp3943.c87 u8 addr, read; in lp3943_get_gpio_in_status() local
102 err = lp3943_read_byte(lp3943_gpio->lp3943, addr, &read); in lp3943_get_gpio_in_status()
106 return !!(read & BIT(offset)); in lp3943_get_gpio_in_status()
114 u8 read; in lp3943_get_gpio_out_status() local
117 err = lp3943_read_byte(lp3943, mux[offset].reg, &read); in lp3943_get_gpio_out_status()
121 read = (read & mux[offset].mask) >> mux[offset].shift; in lp3943_get_gpio_out_status()
123 if (read == LP3943_GPIO_OUT_HIGH) in lp3943_get_gpio_out_status()
125 else if (read == LP3943_GPIO_OUT_LOW) in lp3943_get_gpio_out_status()
/linux/include/sound/
H A Dinfo.h30 void (*read)(struct snd_info_entry *entry, member
41 ssize_t (*read)(struct snd_info_entry *entry, void *file_private_data, member
139 void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) in snd_info_set_text_ops()
142 entry->c.text.read = read; in snd_info_set_text_ops()
147 void (*read)(struct snd_info_entry *,
180 void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) {} in snd_info_set_text_ops()
183 void (*read)(struct snd_info_entry *, in snd_card_rw_proc_new()
207 void (*read)(struct snd_info_entry *, in snd_card_ro_proc_new()
210 return snd_card_rw_proc_new(card, name, private_data, read, NULL); in snd_card_ro_proc_new()

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