€•k=Œsphinx.addnodes”Œdocument”“”)”}”(Œ rawsource”Œ”Œchildren”]”(Œ translations”Œ LanguagesNode”“”)”}”(hhh]”(hŒ pending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ refdomain”Œstd”Œreftype”Œdoc”Œ reftarget”Œ!/translations/zh_CN/hwmon/ads7828”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/zh_TW/hwmon/ads7828”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/it_IT/hwmon/ads7828”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/ja_JP/hwmon/ads7828”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/ko_KR/hwmon/ads7828”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒPortuguese (Brazilian)”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/pt_BR/hwmon/ads7828”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒSpanish”…””}”hh–sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/sp_SP/hwmon/ads7828”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒKernel driver ads7828”h]”hŒKernel driver ads7828”…””}”(hh¼h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhh·h²hh³Œ;/var/lib/git/docbuild/linux/Documentation/hwmon/ads7828.rst”h´KubhŒ paragraph”“”)”}”(hŒSupported chips:”h]”hŒSupported chips:”…””}”(hhÍh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khh·h²hubhŒ block_quote”“”)”}”(hXn* Texas Instruments/Burr-Brown ADS7828 Prefix: 'ads7828' Datasheet: Publicly available at the Texas Instruments website: http://focus.ti.com/lit/ds/symlink/ads7828.pdf * Texas Instruments ADS7830 Prefix: 'ads7830' Datasheet: Publicly available at the Texas Instruments website: http://focus.ti.com/lit/ds/symlink/ads7830.pdf ”h]”hŒ bullet_list”“”)”}”(hhh]”(hŒ list_item”“”)”}”(hŒ´Texas Instruments/Burr-Brown ADS7828 Prefix: 'ads7828' Datasheet: Publicly available at the Texas Instruments website: http://focus.ti.com/lit/ds/symlink/ads7828.pdf ”h]”(hÌ)”}”(hŒ$Texas Instruments/Burr-Brown ADS7828”h]”hŒ$Texas Instruments/Burr-Brown ADS7828”…””}”(hhìh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´KhhèubhÌ)”}”(hŒPrefix: 'ads7828'”h]”hŒPrefix: ‘ads7828’”…””}”(hhúh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´KhhèubhÌ)”}”(hŒ?Datasheet: Publicly available at the Texas Instruments website:”h]”hŒ?Datasheet: Publicly available at the Texas Instruments website:”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K hhèubhÜ)”}”(hŒ/http://focus.ti.com/lit/ds/symlink/ads7828.pdf ”h]”hÌ)”}”(hŒ.http://focus.ti.com/lit/ds/symlink/ads7828.pdf”h]”hŒ reference”“”)”}”(hjh]”hŒ.http://focus.ti.com/lit/ds/symlink/ads7828.pdf”…””}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”juh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K hjubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛh³hÊh´K hhèubeh}”(h]”h ]”h"]”h$]”h&]”uh1hæhhãubhç)”}”(hŒ©Texas Instruments ADS7830 Prefix: 'ads7830' Datasheet: Publicly available at the Texas Instruments website: http://focus.ti.com/lit/ds/symlink/ads7830.pdf ”h]”(hÌ)”}”(hŒTexas Instruments ADS7830”h]”hŒTexas Instruments ADS7830”…””}”(hjDh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khj@ubhÌ)”}”(hŒPrefix: 'ads7830'”h]”hŒPrefix: ‘ads7830’”…””}”(hjRh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khj@ubhÌ)”}”(hŒ?Datasheet: Publicly available at the Texas Instruments website:”h]”hŒ?Datasheet: Publicly available at the Texas Instruments website:”…””}”(hj`h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khj@ubhÜ)”}”(hŒ/http://focus.ti.com/lit/ds/symlink/ads7830.pdf ”h]”hÌ)”}”(hŒ.http://focus.ti.com/lit/ds/symlink/ads7830.pdf”h]”j)”}”(hjth]”hŒ.http://focus.ti.com/lit/ds/symlink/ads7830.pdf”…””}”(hjvh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”jtuh1jhjrubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khjnubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛh³hÊh´Khj@ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hæhhãubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ*”uh1háh³hÊh´KhhÝubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛh³hÊh´Khh·h²hubhŒdefinition_list”“”)”}”(hhh]”hŒdefinition_list_item”“”)”}”(hŒAuthors: - Steve Hardy - Vivien Didelot - Guillaume Roguez ”h]”(hŒterm”“”)”}”(hŒAuthors:”h]”hŒAuthors:”…””}”(hj±h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j¯h³hÊh´Khj«ubhŒ definition”“”)”}”(hhh]”hâ)”}”(hhh]”(hç)”}”(hŒSteve Hardy ”h]”hÌ)”}”(hjÉh]”(hŒ Steve Hardy <”…””}”(hjËh²hh³Nh´Nubj)”}”(hŒshardy@redhat.com”h]”hŒshardy@redhat.com”…””}”(hjÒh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:shardy@redhat.com”uh1jhjËubhŒ>”…””}”(hjËh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´KhjÇubah}”(h]”h ]”h"]”h$]”h&]”uh1hæhjÄubhç)”}”(hŒ4Vivien Didelot ”h]”hÌ)”}”(hjôh]”(hŒVivien Didelot <”…””}”(hjöh²hh³Nh´Nubj)”}”(hŒ#vivien.didelot@savoirfairelinux.com”h]”hŒ#vivien.didelot@savoirfairelinux.com”…””}”(hjýh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œ*mailto:vivien.didelot@savoirfairelinux.com”uh1jhjöubhŒ>”…””}”(hjöh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khjòubah}”(h]”h ]”h"]”h$]”h&]”uh1hæhjÄubhç)”}”(hŒ9Guillaume Roguez ”h]”hÌ)”}”(hŒ8Guillaume Roguez ”h]”(hŒGuillaume Roguez <”…””}”(hj!h²hh³Nh´Nubj)”}”(hŒ%guillaume.roguez@savoirfairelinux.com”h]”hŒ%guillaume.roguez@savoirfairelinux.com”…””}”(hj)h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œ,mailto:guillaume.roguez@savoirfairelinux.com”uh1jhj!ubhŒ>”…””}”(hj!h²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khjubah}”(h]”h ]”h"]”h$]”h&]”uh1hæhjÄubeh}”(h]”h ]”h"]”h$]”h&]”jœŒ-”uh1háh³hÊh´KhjÁubah}”(h]”h ]”h"]”h$]”h&]”uh1j¿hj«ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j©h³hÊh´Khj¦ubah}”(h]”h ]”h"]”h$]”h&]”uh1j¤hh·h²hh³Nh´Nubh¶)”}”(hhh]”(h»)”}”(hŒ Platform data”h]”hŒ Platform data”…””}”(hjeh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhjbh²hh³hÊh´KubhÌ)”}”(hŒ”The ads7828 driver accepts an optional ads7828_platform_data structure (defined in include/linux/platform_data/ads7828.h). The structure fields are:”h]”hŒ”The ads7828 driver accepts an optional ads7828_platform_data structure (defined in include/linux/platform_data/ads7828.h). The structure fields are:”…””}”(hjsh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´Khjbh²hubhâ)”}”(hhh]”(hç)”}”(hŒtdiff_input: (bool) Differential operation set to true for differential mode, false for default single ended mode. ”h]”j¥)”}”(hhh]”jª)”}”(hŒrdiff_input: (bool) Differential operation set to true for differential mode, false for default single ended mode. ”h]”(j°)”}”(hŒ)diff_input: (bool) Differential operation”h]”hŒ)diff_input: (bool) Differential operation”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j¯h³hÊh´K"hj‹ubjÀ)”}”(hhh]”hÌ)”}”(hŒGset to true for differential mode, false for default single ended mode.”h]”hŒGset to true for differential mode, false for default single ended mode.”…””}”(hj h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K"hjubah}”(h]”h ]”h"]”h$]”h&]”uh1j¿hj‹ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j©h³hÊh´K"hjˆubah}”(h]”h ]”h"]”h$]”h&]”uh1j¤hj„ubah}”(h]”h ]”h"]”h$]”h&]”uh1hæhjh²hh³Nh´Nubhç)”}”(hŒ…ext_vref: (bool) External reference set to true if it operates with an external reference, false for default internal reference. ”h]”j¥)”}”(hhh]”jª)”}”(hŒext_vref: (bool) External reference set to true if it operates with an external reference, false for default internal reference. ”h]”(j°)”}”(hŒ#ext_vref: (bool) External reference”h]”hŒ#ext_vref: (bool) External reference”…””}”(hjÑh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j¯h³hÊh´K&hjÍubjÀ)”}”(hhh]”hÌ)”}”(hŒ\set to true if it operates with an external reference, false for default internal reference.”h]”hŒ\set to true if it operates with an external reference, false for default internal reference.”…””}”(hjâh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K%hjßubah}”(h]”h ]”h"]”h$]”h&]”uh1j¿hjÍubeh}”(h]”h ]”h"]”h$]”h&]”uh1j©h³hÊh´K&hjÊubah}”(h]”h ]”h"]”h$]”h&]”uh1j¤hjÆubah}”(h]”h ]”h"]”h$]”h&]”uh1hæhjh²hh³Nh´Nubhç)”}”(hX vref_mv: (unsigned int) Voltage reference if using an external reference, set this to the reference voltage in mV, otherwise it will default to the internal value (2500mV). This value will be bounded with limits accepted by the chip, described in the datasheet. ”h]”j¥)”}”(hhh]”jª)”}”(hXvref_mv: (unsigned int) Voltage reference if using an external reference, set this to the reference voltage in mV, otherwise it will default to the internal value (2500mV). This value will be bounded with limits accepted by the chip, described in the datasheet. ”h]”(j°)”}”(hŒ)vref_mv: (unsigned int) Voltage reference”h]”hŒ)vref_mv: (unsigned int) Voltage reference”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j¯h³hÊh´K+hjubjÀ)”}”(hhh]”hÌ)”}”(hŒÛif using an external reference, set this to the reference voltage in mV, otherwise it will default to the internal value (2500mV). This value will be bounded with limits accepted by the chip, described in the datasheet.”h]”hŒÛif using an external reference, set this to the reference voltage in mV, otherwise it will default to the internal value (2500mV). This value will be bounded with limits accepted by the chip, described in the datasheet.”…””}”(hj$h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K)hj!ubah}”(h]”h ]”h"]”h$]”h&]”uh1j¿hjubeh}”(h]”h ]”h"]”h$]”h&]”uh1j©h³hÊh´K+hj ubah}”(h]”h ]”h"]”h$]”h&]”uh1j¤hjubah}”(h]”h ]”h"]”h$]”h&]”uh1hæhjh²hh³Nh´Nubeh}”(h]”h ]”h"]”h$]”h&]”jœjuh1háh³hÊh´K!hjbh²hubhÜ)”}”(hŒyIf no structure is provided, the configuration defaults to single ended operation and internal voltage reference (2.5V). ”h]”hÌ)”}”(hŒxIf no structure is provided, the configuration defaults to single ended operation and internal voltage reference (2.5V).”h]”hŒxIf no structure is provided, the configuration defaults to single ended operation and internal voltage reference (2.5V).”…””}”(hjTh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K-hjPubah}”(h]”h ]”h"]”h$]”h&]”uh1hÛh³hÊh´K-hjbh²hubeh}”(h]”Œ platform-data”ah ]”h"]”Œ platform data”ah$]”h&]”uh1hµhh·h²hh³hÊh´Kubh¶)”}”(hhh]”(h»)”}”(hŒ Description”h]”hŒ Description”…””}”(hjsh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhjph²hh³hÊh´K1ubhÌ)”}”(hŒMThis driver implements support for the Texas Instruments ADS7828 and ADS7830.”h]”hŒMThis driver implements support for the Texas Instruments ADS7828 and ADS7830.”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K3hjph²hubhÌ)”}”(hŒ^The ADS7828 device is a 12-bit 8-channel A/D converter, while the ADS7830 does 8-bit sampling.”h]”hŒ^The ADS7828 device is a 12-bit 8-channel A/D converter, while the ADS7830 does 8-bit sampling.”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K5hjph²hubhÌ)”}”(hŒwIt can operate in single ended mode (8 +ve inputs) or in differential mode, where 4 differential pairs can be measured.”h]”hŒwIt can operate in single ended mode (8 +ve inputs) or in differential mode, where 4 differential pairs can be measured.”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K8hjph²hubhÌ)”}”(hŒ¶The chip also has the facility to use an external voltage reference. This may be required if your hardware supplies the ADS7828 from a 5V supply, see the datasheet for more details.”h]”hŒ¶The chip also has the facility to use an external voltage reference. This may be required if your hardware supplies the ADS7828 from a 5V supply, see the datasheet for more details.”…””}”(hj«h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hËh³hÊh´K;hjph²hubhÌ)”}”(hŒÑThere is no reliable way to identify this chip, so the driver will not scan some addresses to try to auto-detect it. That means that you will have to statically declare the device in the platform support code.”h]”hŒÑThere is no reliable way to identify this chip, so the driver will not scan some addresses to try to auto-detect it. 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