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Vignesh R 4b3ab9372f iio: adc: ti_am335x_tscadc: Improve accuracy of measurement 
When performing single ended measurements with TSCADC, its recommended
to set negative input (SEL_INM_SWC_3_0) of ADC step to ADC's VREFN in the
corresponding STEP_CONFIGx register.

Also, the positive(SEL_RFP_SWC_2_0) and negative(SEL_RFM_SWC_1_0)
reference voltage for ADC step needs to be set to VREFP and VREFN
respectively in STEP_CONFIGx register.
Without these changes, there may be variation of as much as ~2% in the
ADC's digital output which is bad for precise measurement.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-12-03 11:33:20 +00:00
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accessibility
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acpi
pwm: Changes for v4.20-rc1
2018-11-02 11:22:45 -07:00
amba
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android
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ata
libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9
2018-10-26 08:21:04 -06:00
atm
atm: zatm: Fix empty body Clang warnings
2018-10-18 15:39:10 -07:00
auxdisplay
The Compiler Attributes series
2018-11-01 18:34:46 -07:00
base
mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock
2018-10-31 08:54:17 -07:00
bcma
…
block
for-linus-20181102
2018-11-02 11:25:48 -07:00
bluetooth
Merge branch 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-10-24 14:43:41 +01:00
bus
ARM: SoC driver updates for 4.17
2018-10-29 15:16:01 -07:00
cdrom
gdrom: fix mistake in assignment of error
2018-10-25 11:17:40 -06:00
char
RTC for 4.20
2018-10-27 09:24:24 -07:00
clk
This time it looks like a quieter release cycle in the clk tree. I guess that's
2018-10-31 11:08:30 -07:00
clocksource
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-11-04 08:15:15 -08:00
connector
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cpufreq
cpufreq: remove unused arm_big_little_dt driver
2018-10-25 18:39:02 +02:00
cpuidle
More power management updates for 4.20-rc1
2018-10-30 09:08:07 -07:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2018-10-25 16:43:35 -07:00
dax
…
dca
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devfreq
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dio
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dma
pci-v4.20-changes
2018-10-25 06:50:48 -07:00
dma-buf
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edac
* skx_edac: Address translation for NVDIMMs (Tony Luck and Qiuxu Zhuo)
2018-11-02 11:17:22 -07:00
eisa
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extcon
…
firewire
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firmware
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-11-03 18:25:17 -07:00
fmc
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fpga
fpga: add devm_fpga_region_create
2018-10-16 11:13:50 +02:00
fsi
iov_iter: Separate type from direction and use accessor functions
2018-10-24 00:41:07 +01:00
gnss
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gpio
pci-v4.20-changes
2018-10-25 06:50:48 -07:00
gpu
drm, i915, amdgpu, bridge + core quirk
2018-11-02 10:58:20 -07:00
hid
platform-drivers-x86 for v4.20-1
2018-11-01 08:42:21 -07:00
hsi
…
hv
hv_balloon: Replace spin_is_locked() with lockdep
2018-10-15 20:54:17 +02:00
hwmon
Lots of small changes to the IPMI driver. Most of the changes
2018-10-23 09:42:05 +01:00
hwspinlock
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hwtracing
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i2c
i2c: Clear client->irq in i2c_device_remove
2018-10-31 23:33:34 +00:00
ide
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idle
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-10-23 13:32:18 +01:00
iio
iio: adc: ti_am335x_tscadc: Improve accuracy of measurement
2018-12-03 11:33:20 +00:00
infiniband
Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks"
2018-10-26 16:25:19 -07:00
input
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
iommu
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
ipack
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irqchip
irqchip/irq-mvebu-sei: Fix a NULL vs IS_ERR() bug in probe function
2018-11-01 12:38:48 +01:00
isdn
Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-11-01 19:58:52 -07:00
leds
leds: gpio: set led_dat->gpiod pointer for OF defined GPIO leds
2018-10-26 20:51:36 +02:00
lightnvm
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macintosh
memblock: stop using implicit alignment to SMP_CACHE_BYTES
2018-10-31 08:54:16 -07:00
mailbox
- Convert print users to use the %pOFn format specifier
2018-10-29 10:30:44 -07:00
mcb
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md
for-linus-20181102
2018-11-02 11:25:48 -07:00
media
media updates for v4.20-rc1
2018-10-31 10:53:29 -07:00
memory
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memstick
…
message
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mfd
mfd: ti_am335x_tscadc: Use PLATFORM_DEVID_AUTO while registering mfd cells
2018-12-03 11:33:10 +00:00
misc
Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-11-01 19:58:52 -07:00
mmc
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-10-23 13:32:18 +01:00
mtd
This pull request contains updates for UBIFS:
2018-11-04 14:46:04 -08:00
mux
This is the bulk of GPIO changes for the v4.20 series:
2018-10-23 08:45:05 +01:00
net
NTB IDT thermal changes and hook into hwmon, ntb_netdev clean-up of
2018-11-04 08:12:44 -08:00
nfc
NFC: nfcmrvl_uart: fix OF child-node lookup
2018-10-23 13:28:53 -05:00
ntb
ntb: idt: Alter the driver info comments
2018-11-01 10:33:12 -04:00
nubus
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nvdimm
libnvdimm for 4.20
2018-10-25 06:31:56 -07:00
nvme
for-linus-20181102
2018-11-02 11:25:48 -07:00
nvmem
nvmem: hide unused nvmem_find_cell_by_index function
2018-10-15 15:56:15 +02:00
of
Devicetree fixes for v4.20-rc1:
2018-11-01 14:45:38 -07:00
opp
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oprofile
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parisc
parisc: Add alternative coding infrastructure
2018-10-17 17:22:26 +02:00
parport
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pci
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
pcmcia
powerpc updates for 4.20
2018-10-26 14:36:21 -07:00
perf
arm64 updates for 4.20:
2018-10-22 17:30:06 +01:00
phy
USB/PHY patches for 4.20-rc1
2018-10-26 08:14:13 -07:00
pinctrl
This is the bulk of GPIO changes for the v4.20 series:
2018-10-23 08:45:05 +01:00
platform
platform-drivers-x86 for v4.20-1
2018-11-01 08:42:21 -07:00
pnp
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power
Devicetree updates for 4.20:
2018-10-26 12:09:58 -07:00
powercap
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-10-23 13:32:18 +01:00
pps
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ps3
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ptp
ptp: drop redundant kasprintf() to create worker name
2018-10-28 19:20:06 -07:00
pwm
pwm: lpss: Only set update bit if we are actually changing the settings
2018-10-16 13:16:15 +02:00
rapidio
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ras
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regulator
regulator: Regulator updates for next release
2018-10-23 01:54:44 +01:00
remoteproc
remoteproc: qcom: q6v5-mss: Register segments/dumpfn for coredump
2018-10-19 12:54:03 -07:00
reset
ARM: SoC driver updates for 4.17
2018-10-29 15:16:01 -07:00
rpmsg
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rtc
rtc: sc27xx: Always read normal alarm when registering RTC device
2018-10-25 02:35:42 +02:00
s390
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
sbus
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scsi
Kbuild updates for v4.20 (2nd)
2018-11-03 10:47:33 -07:00
sfi
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
sh
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siox
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slimbus
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sn
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soc
soc: ti: QMSS: Fix usage of irq_set_affinity_hint
2018-11-02 11:22:09 -07:00
soundwire
…
spi
- New Drivers
2018-10-25 06:19:15 -07:00
spmi
…
ssb
…
staging
media updates for v4.20-rc1
2018-10-31 10:53:29 -07:00
target
SCSI misc on 20181102
2018-11-03 10:34:03 -07:00
tc
…
tee
…
thermal
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2018-10-31 11:28:12 -07:00
thunderbolt
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tty
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
uio
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usb
Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-11-01 19:58:52 -07:00
uwb
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vfio
VFIO updates for v4.20
2018-10-31 11:01:38 -07:00
vhost
virtio, vhost: fixes, tweaks
2018-11-01 14:42:49 -07:00
video
fbdev changes for v4.20:
2018-10-31 11:41:37 -07:00
virt
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virtio
virtio-balloon: VIRTIO_BALLOON_F_PAGE_POISON
2018-10-24 20:57:55 -04:00
visorbus
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vlynq
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vme
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w1
w1: IAD Register is yet readable trough iad sys file. Fix snprintf (%u for unsigned, count for max size).
2018-10-15 20:50:32 +02:00
watchdog
watchdog: ts4800: release syscon device node in ts4800_wdt_probe()
2018-10-22 10:16:28 +02:00
xen
Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-11-01 19:58:52 -07:00
zorro
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Kconfig
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Makefile
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