Searched full:poll (Results 1 – 25 of 139) sorted by relevance
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| /Documentation/media/uapi/v4l/ |
| D | func-poll.rst | 10 .. _func-poll:
13 V4L2 poll()
19 v4l2-poll - Wait for some event on a file descriptor
27 #include <sys/poll.h>
30 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
31 :name: v4l2-poll
41 With the :ref:`poll() <func-poll>` function applications can suspend execution
54 On success :ref:`poll() <func-poll>` returns the number of file descriptors
62 :ref:`VIDIOC_STREAMON <VIDIOC_STREAMON>` the :ref:`poll() <func-poll>`
67 :ref:`poll() <func-poll>` function succeeds and sets the ``POLLERR`` flag in
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| D | rw.rst | 43 :ref:`poll() <func-poll>` function. [#f2]_
53 At the driver level :ref:`select() <func-select>` and :ref:`poll() <func-poll>` are
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| D | userp.rst | 91 <func-select>` or :ref:`poll() <func-poll>` function are always
111 :ref:`select() <func-select>` and :ref:`poll() <func-poll>` function. [#f2]_
126 At the driver level :ref:`select() <func-select>` and :ref:`poll() <func-poll>` are
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| D | func-read.rst | 61 :ref:`poll() <func-poll>` functions can always be used to suspend
64 :ref:`poll() <func-poll>`.
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| D | dev-event.rst | 36 poll system calls on video devices. The V4L2 events use POLLPRI events
37 on poll system call and exceptions on select system call.
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| D | dmabuf.rst | 148 :ref:`select() <func-select>` and :ref:`poll() <func-poll>`
168 and the :ref:`select() <func-select>` and :ref:`poll() <func-poll>`
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| /Documentation/media/uapi/cec/ |
| D | cec-func-poll.rst | 10 .. _cec-func-poll:
13 cec poll()
19 cec-poll - Wait for some event on a file descriptor
27 #include <sys/poll.h>
30 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
31 :name: cec-poll
49 With the :c:func:`poll() <cec-poll>` function applications can wait for CEC
52 On success :c:func:`poll() <cec-poll>` returns the number of file descriptors
63 For more details see the :c:func:`poll() <cec-poll>` manual page.
69 On success, :c:func:`poll() <cec-poll>` returns the number structures which have
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| D | cec-pin-error-inj.rst | 54 # <op>[,<mode>] rx-arb-lost <poll> generate a POLL message to trigger an arbitration lost
80 # <poll> CEC poll message used to test arbitration lost (0x00-0xff, default 0x0f)
184 ``<op>[,<mode>] rx-arb-lost <poll>``
185 Generate a POLL message to trigger an Arbitration Lost condition.
188 to transmit mode and it will transmit a POLL message. By default this is
189 0x0f, but it can also be specified explicitly via the ``<poll>`` argument.
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| /Documentation/media/uapi/mediactl/ |
| D | request-func-poll.rst | 27 .. _request-func-poll:
30 request poll()
36 request-poll - Wait for some event on a file descriptor
44 #include <sys/poll.h>
47 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
48 :name: request-poll
66 With the :c:func:`poll() <request-func-poll>` function applications can wait
69 On success :c:func:`poll() <request-func-poll>` returns the number of file
77 Attempting to poll for a request that is not yet queued will
84 On success, :c:func:`poll() <request-func-poll>` returns the number of
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| /Documentation/devicetree/bindings/serial/ |
| D | pl011.yaml | 82 auto-poll:
87 poll-rate-ms:
89 Rate at which poll occurs when auto-poll is set.
95 poll-timeout-ms:
97 Poll timeout when auto-poll is set, default
109 poll-rate-ms: [ auto-poll ]
110 poll-timeout-ms: [ auto-poll ]
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| /Documentation/devicetree/bindings/input/ |
| D | clps711x-keypad.txt | 6 - poll-interval: Poll interval time in milliseconds.
17 poll-interval = <120>;
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| D | gpio-keys-polled.txt | 5 - poll-interval: Poll interval time in milliseconds
37 poll-interval = <100>;
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| D | adc-keys.txt | 11 - poll-interval: Poll interval time in milliseconds
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| /Documentation/devicetree/bindings/power/supply/ |
| D | charger-manager.txt | 20 - cm-poll-mode : polling mode (enum polling_modes)
21 - cm-poll-interval : polling interval
39 cm-poll-mode = <1>;
40 cm-poll-interval = <30000>;
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| D | sbs_sbs-battery.txt | 14 - sbs,poll-retry-count : The number of times to try looking for new status
25 sbs,poll-retry-count = <10>;
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| D | ti,bq24735.txt | 30 - poll-interval : In case 'interrupts' is not specified, poll AC adapter
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| /Documentation/hwmon/ |
| D | acpi_power_meter.rst | 32 socket and a poll notification will be sent to the appropriate
42 the netlink event socket and a poll notification will be sent to the
49 well as sent as a poll notification to a sysfs file. The events are as
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| /Documentation/admin-guide/gpio/ |
| D | sysfs.rst | 93 description of "edge"), you can poll(2) on that file and
94 poll(2) will return whenever the interrupt was triggered. If
95 you use poll(2), set the events POLLPRI and POLLERR. If you
97 poll(2) returns, either lseek(2) to the beginning of the sysfs
104 that will make poll(2) on the "value" file return.
113 poll(2) support configuration via the edge attribute
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| /Documentation/accounting/ |
| D | psi.rst | 69 Users can register triggers and use poll() to be woken up when resource
79 used to wait for trigger events using select(), poll() or epoll().
91 file descriptor is required to be able to poll it separately from others,
123 #include <poll.h>
152 n = poll(&fds, 1, -1);
154 printf("poll error: %s\n", strerror(errno));
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| /Documentation/x86/x86_64/ |
| D | machinecheck.rst | 40 How often to poll for corrected machine check errors, in seconds
42 finds MCEs it triggers an exponential speedup (poll more often) on
44 triggers an exponential backoff (poll less often) on the polling
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| /Documentation/virtual/ |
| D | guest-halt-polling.txt | 5 the guest vcpus to poll for a specified amount of time before
9 1) The POLL flag is set while polling is performed, which allows
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| /Documentation/ABI/testing/ |
| D | sysfs-platform-twl4030-usb | 8 Changes are notified via select/poll.
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| /Documentation/driver-api/iio/ |
| D | triggered-buffers.rst | 56 * **sensor_iio_pollfunc**, the function that will be used as top half of poll
62 the poll function. This runs in the context of a kernel thread and all the
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| /Documentation/power/ |
| D | charger-manager.rst | 124 do not poll this battery.
126 always poll this battery.
128 poll this battery if and only if an external power
131 poll this battery if and only if the battery is being charged.
149 Required polling interval in ms. Charger Manager will poll
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| /Documentation/media/uapi/dvb/ |
| D | video-get-event.rst | 67 blocks until an event becomes available. The standard Linux poll()
70 included in the exceptfds argument, and for poll(), POLLPRI should be
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