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Luiz Sampaio c999fbbdcf w1: ds2438: support for writing to offset register 
Added a sysfs entry to support writing to the offset register on page1.
This register is used to calibrate the chip canceling offset errors in the
current ADC. This means that, over time, reading the IAD register will not
return the correct current measurement, it will have an offset. Writing to
the offset register if the two's complement of the current register while
passing zero current to the load will calibrate the measurements. This
change was tested on real hardware and it was able to calibrate the chip
correctly.

Signed-off-by: Luiz Sampaio <sampaio.ime@gmail.com>
Link: https://lore.kernel.org/r/20210519223046.13798-7-sampaio.ime@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-05-21 14:51:33 +02:00
..
firewire-cdev docs: ABI: cleanup several ABI documents 2020-10-30 13:14:29 +01:00
o2cb
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procfs-audit_loginuid audit: drop /proc/PID/loginuid documentation Format field 2021-04-01 18:32:24 -04:00
syscalls
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sysfs-acpi-pmprofile docs: ABI: cleanup several ABI documents 2020-10-30 13:14:29 +01:00
sysfs-bus-firewire docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-bus-fsl-mc bus: fsl-mc: add autorescan sysfs 2021-01-27 15:13:53 +01:00
sysfs-bus-mhi bus: mhi: core: Introduce sysfs entries for MHI 2020-10-02 11:33:47 +02:00
sysfs-bus-nvmem docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-bus-usb docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-bus-vmbus Drivers: hv: vmbus: Add /sys/bus/vmbus/hibernation 2021-02-11 08:47:05 +00:00
sysfs-bus-w1 docs: ABI: cleanup several ABI documents 2020-10-30 13:14:29 +01:00
sysfs-bus-xen-backend xen: export device state to sysfs 2018-08-28 17:37:40 -04:00
sysfs-class-backlight docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-class-infiniband docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-class-rfkill docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-class-tpm ABI: add sysfs description for tpm exports of PCR registers 2021-02-16 10:40:27 +02:00
sysfs-class-ubi UBI: Add ro-mode sysfs attribute 2016-05-24 15:15:26 +02:00
sysfs-class-udc Documentation: ABI: sysfs-class-udc: remove duplicated entry 2017-06-13 13:21:04 +03:00
sysfs-devices docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-devices-node docs: filesystems: fix renamed references 2020-04-20 15:45:22 -06:00
sysfs-devices-system-cpu powerpc: Document sysfs DSCR interface 2014-05-28 13:35:40 +10:00
sysfs-devices-system-xen_memory xen/balloon: add runtime control for scrubbing ballooned out pages 2018-09-14 08:51:10 -04:00
sysfs-driver-aspeed-vuart drivers/tty/serial/8250: Make Aspeed VUART SIRQ polarity configurable 2019-10-04 15:05:20 +02:00
sysfs-driver-dma-idxd dmaengine: idxd: add ATS disable knob for work queues 2020-12-10 12:56:44 +05:30
sysfs-driver-dma-ioatdma docs: ABI: sysfs-driver-dma-ioatdma: what starts with /sys 2020-11-02 13:45:37 +01:00
sysfs-driver-firmware-zynqmp docs: ABI: fix syntax to be parsed using ReST notation 2020-10-30 13:12:39 +01:00
sysfs-driver-ib_srp docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-driver-mlxreg-io Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces 2020-07-15 12:45:07 +03:00
sysfs-driver-qla2xxx [SCSI] qla2xxx: Add firmware-dump kobject uevent notification. 2009-12-04 12:00:10 -06:00
sysfs-driver-speakup speakup: Make dectlk flush timeout configurable 2021-02-04 17:05:48 +01:00
sysfs-driver-usb-usbtmc usb: usbtmc: Remove sysfs group TermChar and auto_abort 2018-09-20 13:04:03 +02:00
sysfs-driver-w1_ds28e04 docs: w1: convert to ReST and add to the kAPI group of docs 2019-07-31 14:16:17 -06:00
sysfs-driver-w1_ds28ea00 docs: w1: convert to ReST and add to the kAPI group of docs 2019-07-31 14:16:17 -06:00
sysfs-driver-w1_ds2438 w1: ds2438: support for writing to offset register 2021-05-21 14:51:33 +02:00
sysfs-firmware-efi-vars docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-firmware-opal-dump docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-firmware-opal-elog docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-fs-orangefs Orangefs: kernel client part 6 2015-10-03 11:39:59 -04:00
sysfs-hypervisor-xen docs: ABI: stable: make files ReST compatible 2020-10-30 13:07:01 +01:00
sysfs-kernel-notes docs: stable-ABI: Document /sys/kernel/notes 2020-09-16 12:17:47 -06:00
sysfs-module ABI: Clarify when /sys/module/MODULENAME is created 2013-07-02 15:38:20 +09:30
sysfs-transport-srp scsi_transport_srp: Add periodic reconnect support 2013-11-08 14:43:16 -08:00
thermal-notification thermal: Add event notification to thermal framework 2011-01-12 00:08:35 -05:00
vdso docs: ABI: vdso: use the right format for ABI 2020-10-30 13:12:53 +01:00