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Gilles Buloz bbf0d37947 hwmon: (nct7802) Fix non-working alarm on voltages
commit e51a7dda29 upstream.

No alarm is reported by /sys/.../inX_alarm

In detail:

The SMI Voltage status register is the only register giving a status
for voltages, but it does not work like the non-SMI status registers
used for temperatures and fans.
A bit is set for each input crossing a threshold, in both direction,
but the "inside" or "outside" limits info is not available.
Also this register is cleared on read.
Note : this is not explicitly spelled out in the datasheet, but from
experiment.
As a result if an input is crossing a threshold (min or max in any
direction), the alarm is reported only once even if the input is
still outside limits. Also if the alarm for another input is read
before the one of this input, no alarm is reported at all.

Signed-off-by: Gilles Buloz <gilles.buloz@kontron.com>
Link: https://lore.kernel.org/r/5de0f566.tBga5POKAgHlmd0p%gilles.buloz@kontron.com
Fixes: 3434f37835 ("hwmon: Driver for Nuvoton NCT7802Y")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-29 16:45:30 +01:00
..
accessibility
acpi ACPI: platform: Unregister stale platform devices 2020-01-26 10:01:04 +01:00
amba ARM updates for 5.4-rc: 2019-10-23 06:26:33 -04:00
android binder: fix incorrect calculation for num_valid 2019-12-17 19:55:33 +01:00
ata libata: Fix retrieving of active qcs 2020-01-09 10:19:59 +01:00
atm firestream: fix memory leaks 2020-01-29 16:45:19 +01:00
auxdisplay It's a somewhat calmer cycle for docs this time, as the churn of the mass 2019-09-17 16:22:26 -07:00
base software node: Get reference to parent swnode in get_parent op 2020-01-26 10:01:04 +01:00
bcma bcma: make arrays pwr_info_offset and sprom_sizes static const, shrinks object size 2019-09-13 16:44:49 +03:00
block xen/blkfront: Adjust indentation in xlvbd_alloc_gendisk 2020-01-23 08:22:54 +01:00
bluetooth Bluetooth: btusb: fix PM leak in error case of setup 2020-01-09 10:20:04 +01:00
bus bus: ti-sysc: Fix iterating over clocks 2020-01-23 08:22:28 +01:00
cdrom cdrom: respect device capabilities during opening action 2020-01-04 19:18:25 +01:00
char hwrng: omap3-rom - Fix missing clock by probing with device tree 2020-01-26 10:01:03 +01:00
clk clk: imx7ulp: Correct DDR clock mux options 2020-01-23 08:23:00 +01:00
clocksource clocksource: riscv: add notrace to riscv_sched_clock 2020-01-09 10:19:59 +01:00
connector
counter
cpufreq cpufreq: Register drivers only after CPU devices have been registered 2019-12-31 16:45:26 +01:00
cpuidle cpuidle: teo: Fix intervals[] array indexing bug 2020-01-23 08:22:32 +01:00
crypto crypto: sun4i-ss - fix big endian issues 2020-01-26 10:01:01 +01:00
dax
dca
devfreq PM / devfreq: tegra: Add COMMON_CLK dependency 2020-01-17 19:48:22 +01:00
dio
dma dmaengine: ti: edma: fix missed failure handling 2020-01-26 10:01:08 +01:00
dma-buf dma-buf: Fix memory leak in sync_file_merge() 2019-12-21 11:04:48 +01:00
edac EDAC/ghes: Fix grain calculation 2019-12-31 16:45:16 +01:00
eisa
extcon extcon: sm5502: Reset registers during initialization 2019-12-31 16:44:04 +01:00
firewire net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:20:06 +01:00
firmware firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT 2020-01-26 10:01:07 +01:00
fpga Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
fsi fsi: core: Fix small accesses and unaligned offsets via sysfs 2019-12-31 16:45:09 +01:00
gnss
gpio gpio: aspeed: avoid return type warning 2020-01-26 10:01:09 +01:00
gpu drm/i915: Align engine->uabi_class/instance with i915_drm.h 2020-01-29 16:45:25 +01:00
greybus
hid HID: hidraw, uhid: Always report EPOLLOUT 2020-01-17 19:48:15 +01:00
hsi HSI changes for the 5.4 series 2019-09-22 12:02:21 -07:00
hv Drivers: hv: vmbus: Fix crash handler reset of Hyper-V synic 2020-01-04 19:18:21 +01:00
hwmon hwmon: (nct7802) Fix non-working alarm on voltages 2020-01-29 16:45:30 +01:00
hwspinlock
hwtracing intel_th: msu: Fix window switching without windows 2019-12-31 16:46:09 +01:00
i2c i2c: stm32f7: report dma error during probe 2020-01-26 10:01:06 +01:00
i3c
ide
idle
iio iio: buffer: align the size of scan bytes to size of the largest element 2020-01-23 08:22:33 +01:00
infiniband RDMA/srpt: Report the SCSI residual to the initiator 2020-01-17 19:48:40 +01:00
input Input: sun4i-ts - add a check for devm_thermal_zone_of_sensor_register 2020-01-29 16:45:29 +01:00
interconnect interconnect: qcom: qcs404: Walk the list safely on node removal 2019-12-17 19:55:39 +01:00
iommu iommu/amd: Fix IOMMU perf counter clobbering during init 2020-01-29 16:45:29 +01:00
ipack
irqchip irqchip: Place CONFIG_SIFIVE_PLIC into the menu 2020-01-23 08:22:55 +01:00
isdn net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
leds leds: gpio: Fix uninitialized gpio label for fwnode based probe 2020-01-29 16:45:29 +01:00
lightnvm
macintosh cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
mailbox mailbox: imx: Fix Tx doorbell shutdown path 2020-01-04 19:18:30 +01:00
mcb
md block: fix an integer overflow in logical block size 2020-01-23 08:22:32 +01:00
media media: aspeed-video: Fix memory leaks in aspeed_video_probe 2020-01-17 19:48:58 +01:00
memory memory: mtk-smi: Add PM suspend and resume ops 2020-01-17 19:48:59 +01:00
memstick memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()' 2019-10-09 11:08:03 +02:00
message scsi: mptfusion: Fix double fetch bug in ioctl 2020-01-23 08:22:35 +01:00
mfd mfd: intel-lpss: Add default I2C device properties for Gemini Lake 2020-01-26 10:00:59 +01:00
misc scsi: enclosure: Fix stale device oops with hot replug 2020-01-17 19:48:42 +01:00
mmc mmc: sdhci_am654: Reset Command and Data line after tuning 2020-01-29 16:45:28 +01:00
mtd mtd: cfi_cmdset_0002: fix delayed error detection on HyperFlash 2020-01-23 08:22:57 +01:00
mux
net mlxsw: switchx2: Do not modify cloned SKBs during xmit 2020-01-29 16:45:28 +01:00
nfc NFC: pn533: fix bulk-message timeout 2020-01-23 08:22:48 +01:00
ntb NTB: fix IDT Kconfig typos/spellos 2019-09-23 17:20:40 -04:00
nubus
nvdimm libnvdimm/btt: fix variable 'rc' set but not used 2020-01-04 19:18:12 +01:00
nvme nvme/pci: Fix read queue count 2020-01-09 10:19:43 +01:00
nvmem nvmem: imx-ocotp: reset error status on probe 2019-12-31 16:44:42 +01:00
of of: overlay: add_changeset_property() memory leak 2020-01-09 10:20:03 +01:00
opp opp: Reinitialize the list_kref before adding the static OPPs again 2019-10-23 10:58:44 +05:30
oprofile
parisc parisc: Remove 32-bit DMA enforcement from sba_iommu 2019-10-14 21:44:26 +02:00
parport parport: load lowlevel driver if ports not found 2019-12-31 16:45:25 +01:00
pci PCI: Mark AMD Navi14 GPU rev 0xc5 ATS as broken 2020-01-29 16:45:25 +01:00
pcmcia Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
perf perf/smmuv3: Remove the leftover put_cpu() in error path 2020-01-12 12:21:38 +01:00
phy phy/rockchip: inno-hdmi: round clock rate down to closest 1000 Hz 2020-01-26 10:01:09 +01:00
pinctrl pinctrl: sunrisepoint: Add missing Interrupt Status register offset 2020-01-29 16:45:27 +01:00
platform platform/chrome: wilco_ec: fix use after free issue 2020-01-26 10:01:08 +01:00
pnp
power power: supply: bd70528: Add MODULE_ALIAS to allow module auto loading 2020-01-26 10:01:05 +01:00
powercap powercap: intel_rapl: add NULL pointer check to rapl_mmio_cpu_online() 2020-01-14 20:08:18 +01:00
pps
ps3
ptp ptp: free ptp device pin descriptors properly 2020-01-23 08:22:51 +01:00
pwm pwm: sun4i: Fix incorrect calculation of duty_cycle/period 2020-01-26 10:01:04 +01:00
rapidio
ras
regulator regulator: bd70528: Add MODULE_ALIAS to allow module auto loading 2020-01-26 10:01:05 +01:00
remoteproc remoteproc updates for v5.4 2019-09-22 10:55:08 -07:00
reset reset: Fix {of,devm}_reset_control_array_get kerneldoc return types 2020-01-23 08:22:43 +01:00
rpmsg rpmsg: char: release allocated memory 2020-01-14 20:08:37 +01:00
rtc rtc: bd70528: fix module alias to autoload module 2020-01-26 10:01:06 +01:00
s390 s390/qeth: fix dangling IO buffers after halt/clear 2020-01-26 10:01:09 +01:00
sbus
scsi scsi: ufs: delete redundant function ufshcd_def_desc_sizes() 2020-01-26 10:01:05 +01:00
sfi
sh
siox
slimbus
soc soc: aspeed: Fix snoop_file_poll()'s return type 2020-01-26 10:01:02 +01:00
soundwire soundwire: intel: fix PDI/stream mapping for Bulk 2019-12-31 16:45:11 +01:00
spi spi: lpspi: fix memory leak in fsl_lpspi_probe 2020-01-17 19:49:01 +01:00
spmi
ssb ssb: make array pwr_info_offset static const, makes object smaller 2019-09-13 17:23:18 +03:00
staging staging: comedi: ni_routes: allow partial routing information 2020-01-23 08:22:35 +01:00
target scsi: target: core: Fix a pr_debug() argument 2020-01-23 08:22:58 +01:00
tc
tee optee: Fix multi page dynamic shm pool alloc 2020-01-26 10:01:09 +01:00
thermal thermal: Fix deadlock in thermal thermal_zone_device_check 2019-12-13 08:43:21 +01:00
thunderbolt thunderbolt: Power cycle the router if NVM authentication fails 2019-12-04 22:30:50 +01:00
tty tty: serial: pch_uart: correct usage of dma_unmap_sg 2020-01-17 19:48:55 +01:00
uio Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
usb usb: core: hub: Improved device recognition on remote wakeup 2020-01-23 08:22:36 +01:00
vfio vfio/pci: call irq_bypass_unregister_producer() before freeing irq 2019-12-21 11:04:48 +01:00
vhost vhost/vsock: accept only packets with the right dst_cid 2020-01-04 19:19:18 +01:00
video video/hdmi: Fix AVI bar unpack 2019-12-17 19:56:42 +01:00
virt virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr 2019-10-10 14:50:32 +02:00
virtio virtio-balloon: fix managed page counts when migrating pages between zones 2019-12-17 19:55:56 +01:00
visorbus
vlynq
vme
w1 w1: ds250x: Fix build error without CRC16 2019-10-10 15:35:41 +02:00
watchdog watchdog: sprd: Fix the incorrect pointer getting from driver data 2020-01-26 10:01:02 +01:00
xen xen/balloon: fix ballooned page accounting without hotplug enabled 2020-01-09 10:19:51 +01:00
zorro
Kconfig Staging/IIO driver patches for 5.4-rc1 2019-09-18 11:05:34 -07:00
Makefile Staging/IIO driver patches for 5.4-rc1 2019-09-18 11:05:34 -07:00