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Get the values of requested lines.”h]”hŒBGPIO_V2_LINE_GET_VALUES_IOCTL - Get the values of requested lines.”…””}”(hhþh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´K hhëh²hubeh}”(h]”Œname”ah ]”h"]”Œname”ah$]”h&]”uh1hÖhhØh²hh³hÇh´K ubh×)”}”(hhh]”(hÜ)”}”(hŒSynopsis”h]”hŒSynopsis”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛhjh²hh³hÇh´KubhŒindex”“”)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(Œsingle”Œ'GPIO_V2_LINE_GET_VALUES_IOCTL (C macro)”Œc.GPIO_V2_LINE_GET_VALUES_IOCTL”hNt”auh1j%hjh²hh³Nh´NubhŒdesc”“”)”}”(hhh]”(hŒdesc_signature”“”)”}”(hŒGPIO_V2_LINE_GET_VALUES_IOCTL”h]”hŒdesc_signature_line”“”)”}”(hŒGPIO_V2_LINE_GET_VALUES_IOCTL”h]”hŒ desc_name”“”)”}”(hŒGPIO_V2_LINE_GET_VALUES_IOCTL”h]”hŒ desc_sig_name”“”)”}”(hj?h]”hŒGPIO_V2_LINE_GET_VALUES_IOCTL”…””}”(hjOh²hh³Nh´Nubah}”(h]”h ]”Œn”ah"]”h$]”h&]”uh1jMhjIubah}”(h]”h ]”(Œsig-name”Œdescname”eh"]”h$]”h&]”hÅhÆuh1jGhjCh²hh³hÇh´Kubah}”(h]”h ]”h"]”h$]”h&]”hÅhÆŒ add_permalink”ˆuh1jAŒsphinx_line_type”Œ declarator”hj=h²hh³hÇh´Kubah}”(h]”j4ah ]”(Œsig”Œ sig-object”eh"]”h$]”h&]”Œ is_multiline”ˆŒ _toc_parts”)Œ _toc_name”huh1j;h³hÇh´Khj8h²hubhŒ desc_content”“”)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”uh1jyhj8h²hh³hÇh´Kubeh}”(h]”h ]”(Œc”Œmacro”eh"]”h$]”h&]”Œdomain”j‡Œobjtype”jˆŒdesctype”jˆŒnoindex”‰Œ noindexentry”‰Œnocontentsentry”‰uh1j6h²hhjh³Nh´Nubhý)”}”(hŒ\``int ioctl(int req_fd, GPIO_V2_LINE_GET_VALUES_IOCTL, struct gpio_v2_line_values *values)``”h]”hŒliteral”“”)”}”(hj”h]”hŒXint ioctl(int req_fd, GPIO_V2_LINE_GET_VALUES_IOCTL, struct gpio_v2_line_values *values)”…””}”(hj˜h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j–hj’ubah}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´Khjh²hubeh}”(h]”Œsynopsis”ah ]”h"]”Œsynopsis”ah$]”h&]”uh1hÖhhØh²hh³hÇh´Kubh×)”}”(hhh]”(hÜ)”}”(hŒ Arguments”h]”hŒ Arguments”…””}”(hj¶h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛhj³h²hh³hÇh´KubhŒdefinition_list”“”)”}”(hhh]”(hŒdefinition_list_item”“”)”}”(hŒš``req_fd`` The file descriptor of the GPIO character device, as returned in the :c:type:`request.fd` by gpio-v2-get-line-ioctl.rst. ”h]”(hŒterm”“”)”}”(hŒ ``req_fd``”h]”j—)”}”(hjÓh]”hŒreq_fd”…””}”(hjÕh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j–hjÑubah}”(h]”h ]”h"]”h$]”h&]”uh1jÏh³hÇh´KhjËubhŒ definition”“”)”}”(hhh]”hý)”}”(hŒŽThe file descriptor of the GPIO character device, as returned in the :c:type:`request.fd` by gpio-v2-get-line-ioctl.rst.”h]”(hŒEThe file descriptor of the GPIO character device, as returned in the ”…””}”(hjíh²hh³Nh´Nubh)”}”(hŒ*:c:type:`request.fd`”h]”j—)”}”(hj÷h]”hŒ request.fd”…””}”(hjùh²hh³Nh´Nubah}”(h]”h ]”(Œxref”j‡Œc-type”eh"]”h$]”h&]”uh1j–hjõubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”Œ0userspace-api/gpio/gpio-v2-line-get-values-ioctl”Œ refdomain”j‡Œreftype”Œtype”Œ refexplicit”ˆŒrefwarn”‰Œ c:parent_key”Œsphinx.domains.c”Œ LookupKey”“”)”}”Œdata”]”sbŒ reftarget”Œgpio_v2_line_request”uh1hh³hÇh´KhjíubhŒ by gpio-v2-get-line-ioctl.rst.”…””}”(hjíh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´Khjêubah}”(h]”h ]”h"]”h$]”h&]”uh1jèhjËubeh}”(h]”h ]”h"]”h$]”h&]”uh1jÉh³hÇh´KhjÆubjÊ)”}”(hŒ‰``values`` The :c:type:`line_values` to get with the ``mask`` set to indicate the subset of requested lines to get. ”h]”(jÐ)”}”(hŒ ``values``”h]”j—)”}”(hj;h]”hŒvalues”…””}”(hj=h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j–hj9ubah}”(h]”h ]”h"]”h$]”h&]”uh1jÏh³hÇh´Khj5ubjé)”}”(hhh]”hý)”}”(hŒ}The :c:type:`line_values` to get with the ``mask`` set to indicate the subset of requested lines to get.”h]”(hŒThe ”…””}”(hjSh²hh³Nh´Nubh)”}”(hŒ*:c:type:`line_values`”h]”j—)”}”(hj]h]”hŒ line_values”…””}”(hj_h²hh³Nh´Nubah}”(h]”h ]”(jj‡Œc-type”eh"]”h$]”h&]”uh1j–hj[ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”jŒ refdomain”j‡Œreftype”Œtype”Œ refexplicit”ˆŒrefwarn”‰jjjŒgpio_v2_line_values”uh1hh³hÇh´KhjSubhŒ to get with the ”…””}”(hjSh²hh³Nh´Nubj—)”}”(hŒ``mask``”h]”hŒmask”…””}”(hj~h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j–hjSubhŒ6 set to indicate the subset of requested lines to get.”…””}”(hjSh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´KhjPubah}”(h]”h ]”h"]”h$]”h&]”uh1jèhj5ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jÉh³hÇh´KhjÆh²hubeh}”(h]”h ]”h"]”h$]”h&]”uh1jÄhj³h²hh³hÇh´Nubeh}”(h]”Œ arguments”ah ]”h"]”Œ arguments”ah$]”h&]”uh1hÖhhØh²hh³hÇh´Kubh×)”}”(hhh]”(hÜ)”}”(hŒ Description”h]”hŒ Description”…””}”(hj³h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛhj°h²hh³hÇh´K!ubhý)”}”(hŒ"Get the values of requested lines.”h]”hŒ"Get the values of requested lines.”…””}”(hjÁh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´K#hj°h²hubhý)”}”(hXƒThe values returned are logical, indicating if the line is active or inactive. The ``GPIO_V2_LINE_FLAG_ACTIVE_LOW`` flag controls the mapping between physical values (high/low) and logical values (active/inactive). If ``GPIO_V2_LINE_FLAG_ACTIVE_LOW`` is not set then high is active and low is inactive. If ``GPIO_V2_LINE_FLAG_ACTIVE_LOW`` is set then low is active and high is inactive.”h]”(hŒSThe values returned are logical, indicating if the line is active or inactive. The ”…””}”(hjÏh²hh³Nh´Nubj—)”}”(hŒ ``GPIO_V2_LINE_FLAG_ACTIVE_LOW``”h]”hŒGPIO_V2_LINE_FLAG_ACTIVE_LOW”…””}”(hj×h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j–hjÏubhŒg flag controls the mapping between physical values (high/low) and logical values (active/inactive). If ”…””}”(hjÏh²hh³Nh´Nubj—)”}”(hŒ ``GPIO_V2_LINE_FLAG_ACTIVE_LOW``”h]”hŒGPIO_V2_LINE_FLAG_ACTIVE_LOW”…””}”(hjéh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j–hjÏubhŒ9 is not set then high is active and low is inactive. If ”…””}”(hjÏh²hh³Nh´Nubj—)”}”(hŒ ``GPIO_V2_LINE_FLAG_ACTIVE_LOW``”h]”hŒGPIO_V2_LINE_FLAG_ACTIVE_LOW”…””}”(hjûh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j–hjÏubhŒ0 is set then low is active and high is inactive.”…””}”(hjÏh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´K%hj°h²hubhý)”}”(hŒ6The values of both input and output lines may be read.”h]”hŒ6The values of both input and output lines may be read.”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´K,hj°h²hubhý)”}”(hXFor output lines, the value returned is driver and configuration dependent and may be either the output buffer (the last requested value set) or the input buffer (the actual level of the line), and depending on the hardware and configuration these may differ.”h]”hXFor output lines, the value returned is driver and configuration dependent and may be either the output buffer (the last requested value set) or the input buffer (the actual level of the line), and depending on the hardware and configuration these may differ.”…””}”(hj!h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´K.hj°h²hubeh}”(h]”Œ description”ah ]”h"]”Œ description”ah$]”h&]”uh1hÖhhØh²hh³hÇh´K!ubh×)”}”(hhh]”(hÜ)”}”(hŒ Return Value”h]”hŒ Return Value”…””}”(hj:h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛhj7h²hh³hÇh´K4ubhý)”}”(hŒeOn success 0 and the corresponding :c:type:`values.bits` contain the value read.”h]”(hŒ#On success 0 and the corresponding ”…””}”(hjHh²hh³Nh´Nubh)”}”(hŒ*:c:type:`values.bits`”h]”j—)”}”(hjRh]”hŒ values.bits”…””}”(hjTh²hh³Nh´Nubah}”(h]”h ]”(jj‡Œc-type”eh"]”h$]”h&]”uh1j–hjPubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”jŒ refdomain”j‡Œreftype”Œtype”Œ refexplicit”ˆŒrefwarn”‰jjjŒgpio_v2_line_values”uh1hh³hÇh´K6hjHubhŒ contain the value read.”…””}”(hjHh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hüh³hÇh´K6hj7h²hubhý)”}”(hŒqOn error -1 and the ``errno`` variable is set appropriately. 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