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Mixture of old things people have just hit, and a few late breaking
issues with things that went in during the merge window.
Being sent promptly to resolve potential DT breakage causing
issues for binding test builds.
* ad7606
- Avoid reading extra data from the device over what was intended.
* ad7124
- Enable the internal reference when in use.
* ad7292
- Fix up license for newly added binding. Better to not have this go
out in a release with more limited header than intended.
- Fix a constraint on number of channels.
* ad7949
- Fix an issue which can result in readouts being from the wrong channel.
* hdc100x
- Fix wrong ABI usage (units) for relative humidity channel.
* intel mrfld
- Allocate right amount of private data (currently allocating too much).
* ltc2983
- Avoid a potential issue with machine endianness and wrong length device
tree read.
* max1027
- Clean up leak of an iio_trigger on probe failure.
* max9611
- Ensure we sleep long enough to successfully initialize the sensor.
* mpu6050
- Fix wrong ABI usage (units) for temperature channel.
* st_accel
- Fix an unused variable warning.
* st_lsm6dsx
- Fix decimation factor issue that can lead to missaligned datasets
(and hence garbage)
- Fix an issue with how we track enabled fifo channels.
- Avoid powering off the device if wake up events are enabled.
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Merge tag 'iio-fixes-for-5.5a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of fixes for IIO in the 5.5 cycle.
Mixture of old things people have just hit, and a few late breaking
issues with things that went in during the merge window.
Being sent promptly to resolve potential DT breakage causing
issues for binding test builds.
* ad7606
- Avoid reading extra data from the device over what was intended.
* ad7124
- Enable the internal reference when in use.
* ad7292
- Fix up license for newly added binding. Better to not have this go
out in a release with more limited header than intended.
- Fix a constraint on number of channels.
* ad7949
- Fix an issue which can result in readouts being from the wrong channel.
* hdc100x
- Fix wrong ABI usage (units) for relative humidity channel.
* intel mrfld
- Allocate right amount of private data (currently allocating too much).
* ltc2983
- Avoid a potential issue with machine endianness and wrong length device
tree read.
* max1027
- Clean up leak of an iio_trigger on probe failure.
* max9611
- Ensure we sleep long enough to successfully initialize the sensor.
* mpu6050
- Fix wrong ABI usage (units) for temperature channel.
* st_accel
- Fix an unused variable warning.
* st_lsm6dsx
- Fix decimation factor issue that can lead to missaligned datasets
(and hence garbage)
- Fix an issue with how we track enabled fifo channels.
- Avoid powering off the device if wake up events are enabled.
* tag 'iio-fixes-for-5.5a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: adc: max9611: Fix too short conversion time delay
iio: ad7949: fix channels mixups
iio: imu: st_lsm6dsx: do not power-off accel if events are enabled
iio: imu: st_lsm6dsx: track hw FIFO buffering with fifo_mask
iio: imu: st_lsm6dsx: fix decimation factor estimation
iio: imu: inv_mpu6050: fix temperature reporting using bad unit
iio: humidity: hdc100x: fix IIO_HUMIDITYRELATIVE channel reporting
iio: adc: max1027: fix not unregistered iio trigger
iio: adc: intel_mrfld_adc: Allocating too much data in probe()
iio: adc: ad7124: Enable internal reference
dt-bindings: iio: adc: ad7292: fix constraint over channel quantity
dt-bindings: iio: adc: ad7292: Update SPDX identifier
iio: temperature: ltc2983: fix u32 read into a unsigned long long
iio: st_accel: Fix unused variable warning
iio: adc: ad7606: fix reading unnecessary data from device
As of commit b9ddd50911 ("iio: adc: max9611: Fix temperature
reading in probe"), max9611 initialization sometimes fails on the
Salvator-X(S) development board with:
max9611 4-007f: Invalid value received from ADC 0x8000: aborting
max9611: probe of 4-007f failed with error -5
The max9611 driver tests communications with the chip by reading the die
temperature during the probe function, which returns an invalid value.
According to the datasheet, the typical ADC conversion time is 2 ms, but
no minimum or maximum values are provided. Maxim Technical Support
confirmed this was tested with temperature Ta=25 degreeC, and promised
to inform me if a maximum/minimum value is available (they didn't get
back to me, so I assume it is not).
However, the driver assumes a 1 ms conversion time. Usually the
usleep_range() call returns after more than 1.8 ms, hence it succeeds.
When it returns earlier, the data register may be read too early, and
the previous measurement value will be returned. After boot, this is
the temperature POR (power-on reset) value, causing the failure above.
Fix this by increasing the delay from 1000-2000 µs to 3000-3300 µs.
Note that this issue has always been present, but it was exposed by the
aformentioned commit.
Fixes: 69780a3bbc ("iio: adc: Add Maxim max9611 ADC driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Each time we need to read a sample (from the sysfs interface, since the
driver supports only it) the driver writes the configuration register
with the proper settings needed to perform the said read, then it runs
another xfer to actually read the resulting value. Most notably the
configuration register is updated to set the ADC internal MUX depending by
which channel the read targets.
Unfortunately this seems not enough to ensure correct operation because
the ADC works in a pipelined-like fashion and the new configuration isn't
applied in time.
The ADC alternates two phases: acquisition and conversion. During the
acquisition phase the ADC samples the analog signal in an internal
capacitor; in the conversion phase the ADC performs the actual analog to
digital conversion of the stored voltage. Note that of course the MUX
needs to be set to the proper channel when the acquisition phase is
performed.
Once the conversion phase has been completed, the device automatically
switches back to a new acquisition; on the other hand the device switches
from acquisition to conversion on the rising edge of SPI cs signal (that
is when the xfer finishes).
Only after both two phases have been completed (with the proper settings
already written in the configuration register since the beginning) it is
possible to read the outcome from SPI bus.
With the current driver implementation, we end up in the following
situation:
_______ 1st xfer ____________ 2nd xfer ___________________
SPI cs.. \_________/ \_________/
SPI rd.. idle |(val N-2)+ idle | val N-1 + idle ...
SPI wr.. idle | cfg N + idle | (X) + idle ...
------------------------ + -------------------- + ------------------
AD .. acq N-1 + cnv N-1 | acq N + cnv N | acq N+1
As shown in the diagram above, the value we read in the Nth read belongs
to configuration setting N-1.
In case the configuration is not changed (config[N] == config[N-1]), then
we still get correct data, but in case the configuration changes (i.e.
switching the MUX on another channel), we get wrong data (data from the
previously selected channel).
This patch fixes this by performing one more "dummy" transfer in order to
ending up in reading the data when it's really ready, as per the following
timing diagram.
_______ 1st xfer ____________ 2nd xfer ___________ 3rd xfer ___
SPI cs.. \_________/ \_________/ \_________/
SPI rd.. idle |(val N-2)+ idle |(val N-1)+ idle | val N + ..
SPI wr.. idle | cfg N + idle | (X) + idle | (X) + ..
------------------------ + -------------------- + ------------------- + --
AD .. acq N-1 + cnv N-1 | acq N + cnv N | acq N+1 | ..
NOTE: in the latter case (cfg changes), the acquisition phase for the
value to be read begins after the 1st xfer, that is after the read request
has been issued on sysfs. On the other hand, if the cfg doesn't change,
then we can refer to the fist diagram assuming N == (N - 1); the
acquisition phase _begins_ before the 1st xfer (potentially a lot of time
before the read has been issued via sysfs, but it _ends_ after the 1st
xfer, that is _after_ the read has started. This should guarantee a
reasonably fresh data, which value represents the voltage that the sampled
signal has after the read start or maybe just around it.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Reviewed-by: Charles-Antoine Couret <charles-antoine.couret@essensium.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Do not power-off accel unconditionally if wake-up events are enabled
powering off the hw FIFO. At the same time do not power-off the accel
sensor if it is 'batched' in the hw FIFO disabling sensor events
Fixes: b5969abfa8 ("iio: imu: st_lsm6dsx: add motion events")
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Track hw FIFO state introducing fifo_mask since now the accel sensor
can be enabled during suspend/resume in order to trigger the wake-up
enabling the FIFO in st_lsm6dsx_resume even if it was disabled before
the suspend. Hence we must separately track the fifo state.
Fixes: 4c997dfa69 ("iio: imu: st_lsm6dsx: add wakeup-source option")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix decimation factor and sip estimation for LSM6DSM series
(max value for decimation factor is 32).
If gyro and accel sensors are enabled at 12.5Hz and 416Hz
respectively, decimation factor lookup will fail, producing
unaligned data.
Remove unused decimator filed in st_lsm6dsx_sensor structure.
Fixes: f8710f0357 ("iio: imu: st_lsm6dsx: express odr in mHZ")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Temperature should be reported in milli-degrees, not degrees. Fix
scale and offset values to use the correct unit.
This is a fix for an issue that has been present for a long time.
The fixes tag reflects the point at which the code last changed in a
fashion that would make this fix patch no longer apply. Backports
will be necessary to fix those elements that predate that patch.
Fixes: 1615fe41a1 ("iio: imu: mpu6050: Fix FIFO layout for ICM20602")
Cc: stable@vger.kernel.org
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The IIO_HUMIDITYRELATIVE channel was being incorrectly reported back
as percent when it should have been milli percent. This is via an
incorrect scale value being returned to userspace.
Signed-off-by: Chris Lesiak <chris.lesiak@licor.com>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The driver forgets to unregister the iio trigger in probe failure and
remove.
Use devm API to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This probe function is passing the wrong size to devm_iio_device_alloc().
It is supposed to be the size of the private data. Fortunately,
sizeof(*indio_dev) is larger than sizeof(struct mrfld_adc) so it doesn't
cause a runtime problem.
Fixes: a711866273 ("iio: adc: intel_mrfld_adc: Add Basin Cove ADC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
When the internal reference was selected by a channel it was not enabled.
This patch fixes that and enables it.
Fixes: b3af341bbd ("iio: adc: Add ad7124 support")
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Currently the read of temp using of_property_read_u32_index is reading
a u32 value into a unsigned long long. This relies on machine endianness
to work correctly, so fix this by reading a u32 value and setting temp
to this value.
Addresses-Coverity: ("Reliance on integer endianness")
Fixes: f110f3188e ("iio: temperature: Add support for LTC2983")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/accel/st_accel_core.c:1005:44: warning:
mount_matrix_ext_info defined but not used [-Wunused-const-variable=]
Using stub helper while CONFIG_ACPI is disabled to fix it.
Suggested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
When a conversion result is being read from ADC, the driver reads the
number of channels + 1 because it thinks that IIO_CHAN_SOFT_TIMESTAMP
is also a physical channel. This patch fixes this issue.
Fixes: 2985a5d884 ("staging: iio: adc: ad7606: Move out of staging")
Reported-by: Robert Wörle <rwoerle@mibtec.de>
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* CrOS EC / MFD / IIO
- Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part of a
series from Gwendal to refactor sensor code between MFD, CrOS EC, iio
and input in order to add a new sensorhub driver and FIFO processing
* Wilco EC:
- Add support for Dell's USB PowerShare policy control, keyboard
backlight LED driver, and a new test_event file.
- Fixes use after free in wilco_ec's telemetry driver.
* Misc:
- bugfix in cros_usbpd_logger (missing destroy workqueue).
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Merge tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform changes from Benson Leung:
"CrOS EC / MFD / IIO:
- Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part
of a series from Gwendal to refactor sensor code between MFD, CrOS
EC, iio and input in order to add a new sensorhub driver and FIFO
processing
Wilco EC:
- Add support for Dell's USB PowerShare policy control, keyboard
backlight LED driver, and a new test_event file.
- Fixes use after free in wilco_ec's telemetry driver.
Misc:
- bugfix in cros_usbpd_logger (missing destroy workqueue)"
* tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: wilco_ec: fix use after free issue
platform/chrome: cros_ec: Add Kconfig default for cros-ec-sensorhub
Revert "Input: cros_ec_keyb: mask out extra flags in event_type"
Revert "Input: cros_ec_keyb - add back missing mask for event_type"
platform/chrome: cros_ec: handle MKBP more events flag
platform/chrome: cros_ec: Do not attempt to register a non-positive IRQ number
platform/chrome: cros-ec: Record event timestamp in the hard irq
mfd / platform / iio: cros_ec: Register sensor through sensorhub
iio / platform: cros_ec: Add cros-ec-sensorhub driver
mfd / platform: cros_ec: Add sensor_count and make check_features public
platform/chrome: cros_ec: Put docs with the code
platform/chrome: cros_usbpd_logger: add missed destroy_workqueue in remove
platform/chrome: cros_ec: Fix Kconfig indentation
platform/chrome: wilco_ec: Add keyboard backlight LED support
platform/chrome: wilco_ec: Add charging config driver
platform/chrome: wilco_ec: Add Dell's USB PowerShare Policy control
platform/chrome: wilco_ec: Add debugfs test_event file
As part of the cleanup of some remaining y2038 issues, I came to
fs/compat_ioctl.c, which still has a couple of commands that need support
for time64_t.
In completely unrelated work, I spent time on cleaning up parts of this
file in the past, moving things out into drivers instead.
After Al Viro reviewed an earlier version of this series and did a lot
more of that cleanup, I decided to try to completely eliminate the rest
of it and move it all into drivers.
This series incorporates some of Al's work and many patches of my own,
but in the end stops short of actually removing the last part, which is
the scsi ioctl handlers. I have patches for those as well, but they need
more testing or possibly a rewrite.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'compat-ioctl-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground
Pull removal of most of fs/compat_ioctl.c from Arnd Bergmann:
"As part of the cleanup of some remaining y2038 issues, I came to
fs/compat_ioctl.c, which still has a couple of commands that need
support for time64_t.
In completely unrelated work, I spent time on cleaning up parts of
this file in the past, moving things out into drivers instead.
After Al Viro reviewed an earlier version of this series and did a lot
more of that cleanup, I decided to try to completely eliminate the
rest of it and move it all into drivers.
This series incorporates some of Al's work and many patches of my own,
but in the end stops short of actually removing the last part, which
is the scsi ioctl handlers. I have patches for those as well, but they
need more testing or possibly a rewrite"
* tag 'compat-ioctl-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground: (42 commits)
scsi: sd: enable compat ioctls for sed-opal
pktcdvd: add compat_ioctl handler
compat_ioctl: move SG_GET_REQUEST_TABLE handling
compat_ioctl: ppp: move simple commands into ppp_generic.c
compat_ioctl: handle PPPIOCGIDLE for 64-bit time_t
compat_ioctl: move PPPIOCSCOMPRESS to ppp_generic
compat_ioctl: unify copy-in of ppp filters
tty: handle compat PPP ioctls
compat_ioctl: move SIOCOUTQ out of compat_ioctl.c
compat_ioctl: handle SIOCOUTQNSD
af_unix: add compat_ioctl support
compat_ioctl: reimplement SG_IO handling
compat_ioctl: move WDIOC handling into wdt drivers
fs: compat_ioctl: move FITRIM emulation into file systems
gfs2: add compat_ioctl support
compat_ioctl: remove unused convert_in_user macro
compat_ioctl: remove last RAID handling code
compat_ioctl: remove /dev/raw ioctl translation
compat_ioctl: remove PCI ioctl translation
compat_ioctl: remove joystick ioctl translation
...
Here is the big staging and iio set of patches for the 5.5-rc1 release.
It's the usual huge collection of cleanup patches all over the
drivers/staging/ area, along with a new staging driver, and a bunch of
new IIO drivers as well.
Full details are in the shortlog, but all of these have been in
linux-next for a long time with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / iio updates from Greg KH:
"Here is the big staging and iio set of patches for the 5.5-rc1
release.
It's the usual huge collection of cleanup patches all over the
drivers/staging/ area, along with a new staging driver, and a bunch of
new IIO drivers as well.
Full details are in the shortlog, but all of these have been in
linux-next for a long time with no reported issues"
* tag 'staging-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (548 commits)
staging: vchiq: Have vchiq_dump_* functions return an error code
staging: vchiq: Refactor indentation in vchiq_dump_* functions
staging: fwserial: Fix Kconfig indentation (seven spaces)
staging: vchiq_dump: Replace min with min_t
staging: vchiq: Fix block comment format in vchiq_dump()
staging: octeon: indent with tabs instead of spaces
staging: comedi: usbduxfast: usbduxfast_ai_cmdtest rounding error
staging: most: core: remove sysfs attr remove_link
staging: vc04: Fix Kconfig indentation
staging: pi433: Fix Kconfig indentation
staging: nvec: Fix Kconfig indentation
staging: most: Fix Kconfig indentation
staging: fwserial: Fix Kconfig indentation
staging: fbtft: Fix Kconfig indentation
fbtft: Drop OF dependency
fbtft: Make use of device property API
fbtft: Drop useless #ifdef CONFIG_OF and dead code
fbtft: Describe function parameters in kernel-doc
fbtft: Make sure string is NULL terminated
staging: rtl8723bs: remove set but not used variable 'change', 'pos'
...
Here is the big set of char/misc and other driver patches for 5.5-rc1
Loads of different things in here, this feels like the catch-all of
driver subsystems these days. Full details are in the shortlog, but
nothing major overall, just lots of driver updates and additions.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char/misc and other driver patches for 5.5-rc1
Loads of different things in here, this feels like the catch-all of
driver subsystems these days. Full details are in the shortlog, but
nothing major overall, just lots of driver updates and additions.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (198 commits)
char: Fix Kconfig indentation, continued
habanalabs: add more protection of device during reset
habanalabs: flush EQ workers in hard reset
habanalabs: make the reset code more consistent
habanalabs: expose reset counters via existing INFO IOCTL
habanalabs: make code more concise
habanalabs: use defines for F/W files
habanalabs: remove prints on successful device initialization
habanalabs: remove unnecessary checks
habanalabs: invalidate MMU cache only once
habanalabs: skip VA block list update in reset flow
habanalabs: optimize MMU unmap
habanalabs: prevent read/write from/to the device during hard reset
habanalabs: split MMU properties to PCI/DRAM
habanalabs: re-factor MMU masks and documentation
habanalabs: type specific MMU cache invalidation
habanalabs: re-factor memory module code
habanalabs: export uapi defines to user-space
habanalabs: don't print error when queues are full
habanalabs: increase max jobs number to 512
...
Drivers:
* test_power: add support for current and charge_counter
* cpcap-charger: improve charge calculation and limit default charge voltage
* ab8500: convert to IIO
* misc. small fixes all over drivers
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Merge tag 'for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- test_power: add support for current and charge_counter
- cpcap-charger: improve charge calculation and limit default charge
voltage
- ab8500: convert to IIO
- misc small fixes all over drivers
* tag 'for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (29 commits)
power: supply: bd70528: Add MODULE_ALIAS to allow module auto loading
power: supply: ab8500_charger: Fix inconsistent IS_ERR and PTR_ERR
power: supply: cpcap-charger: cpcap_charger_voltage_to_regval() can be static
power: supply: cpcap-battery: Add basic coulomb counter calibrate support
power: supply: cpcap-battery: Read and save integrator register CCI
power: supply: cpcap-battery: Simplify short term power average calculation
power: supply: cpcap-battery: Simplify coulomb counter calculation with div_s64
power: supply: cpcap-battery: Move coulomb counter units per lsb to ddata
power: supply: cpcap-charger: Allow changing constant charge voltage
power: supply: cpcap-battery: Fix handling of lowered charger voltage
power: supply: cpcap-charger: Improve battery detection
power: supply: cpcap-battery: Check voltage before orderly_poweroff
power: supply: cpcap-charger: Limit voltage to 4.2V for battery
power: supply: ab8500: Handle invalid IRQ from platform_get_irq_byname()
power: supply: ab8500_fg: Do not free non-requested IRQs in probe's error path
power: supply: ab8500: Cleanup probe in reverse order
power: reset: at91: fix __le32 cast in reset code
power: supply: abx500_chargalg: Fix code indentation
mfd: Switch the AB8500 GPADC to IIO
iio: adc: New driver for the AB8500 GPADC
...
Remove the duplicated code in MFD, since MFD just registers cros-ec-sensorhub
if at least one sensor is present.
Change IIO cros-ec driver to get the pointer to the cros-ec-dev through
cros-ec-sensorhub.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Similar to HID sensor stack, the new driver sits between cros-ec-dev
and the IIO device drivers:
The EC based IIO device topology would be:
iio:device1 ->
...0/0000:00:1f.0/PNP0C09:00/GOOG0004:00/cros-ec-dev.6.auto/
cros-ec-sensorhub.7.auto/
cros-ec-accel.15.auto/
iio:device1
It will be expanded to control EC sensor FIFO.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[Fix "unknown type name 'uint32_t'" type errors]
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
New device support
* ad5446
- Support the ad5600 DAC (id only needed).
* ad7292 ADC DAC etc
- New driver plus dt-bindings.
* veml6030 ambient light sensor
- New driver plus dt-bindings and sysfs docs.
Features
* mpu6050
- Explicit VDD control.
* stm32-adc
- Allow limiting of max clock frequency from devicetree to ensure it's
suitable for external circuitry.
yaml binding conversions
* ltc1660
* mcp3911
Fixes
* adis16480
- Fix wrong scale factors.
- Fix debugfs reg access by providing the callback.
* cros_ec_baro
- Fixing missing mask entry to make available sample frequencies visible
in sysfs.
* st_lsm6dsx
- Explicitly handle different ODR table sizes.
- Handle restrictions between slave ODR and accel ODR when
both are enabled.
- Allow ODR to be expressed more accurately by using miliHz.
* tools
- Fix an issue with parallel builds.
Cleanups and warning fixes
* adis16136, adis16400, adis16460, adis-lib
- Change some checks on return values to be for 0 rather than strictly
negative. Avoids some fiddly issues with the compiler concluding some
variables are initialized due to a mixture of error checks.
- Assign values only on success of 'read' operations - avoiding any
chance the compiler will falsly suggest they might be used uninitialized.
- Whitespace and simlar cleanups.
* aspeed adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* bcm-iproc-adc
- Stray semicolon removal.
* cc10001
- devm_platfom_ioremap_resource to reduce boilerplate.
* dln2-adc
- Reorganise the buffered mode setup and tear down. Part of moving towards
being able to refactor this area of the IIO core.
* hdc100x
- Reorganise the buffered mode setup and tear down.
* ingenic-adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* lpc18xx-adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* lpc18xx-dac
- devm_platfom_ioremap_resource to reduce boilerplate.
* mt6577
- devm_platfom_ioremap_resource to reduce boilerplate.
* npcm
- devm_platfom_ioremap_resource to reduce boilerplate.
* rcar-gyroadc
- devm_platfom_ioremap_resource to reduce boilerplate.
* spear-adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* vf610-adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* vf610-dac
- devm_platfom_ioremap_resource to reduce boilerplate.
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Merge tag 'iio-for-5.5c' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third set of IIO new device support cleanups and fixes for the 5.5 cycle.
New device support
* ad5446
- Support the ad5600 DAC (id only needed).
* ad7292 ADC DAC etc
- New driver plus dt-bindings.
* veml6030 ambient light sensor
- New driver plus dt-bindings and sysfs docs.
Features
* mpu6050
- Explicit VDD control.
* stm32-adc
- Allow limiting of max clock frequency from devicetree to ensure it's
suitable for external circuitry.
yaml binding conversions
* ltc1660
* mcp3911
Fixes
* adis16480
- Fix wrong scale factors.
- Fix debugfs reg access by providing the callback.
* cros_ec_baro
- Fixing missing mask entry to make available sample frequencies visible
in sysfs.
* st_lsm6dsx
- Explicitly handle different ODR table sizes.
- Handle restrictions between slave ODR and accel ODR when
both are enabled.
- Allow ODR to be expressed more accurately by using miliHz.
* tools
- Fix an issue with parallel builds.
Cleanups and warning fixes
* adis16136, adis16400, adis16460, adis-lib
- Change some checks on return values to be for 0 rather than strictly
negative. Avoids some fiddly issues with the compiler concluding some
variables are initialized due to a mixture of error checks.
- Assign values only on success of 'read' operations - avoiding any
chance the compiler will falsly suggest they might be used uninitialized.
- Whitespace and simlar cleanups.
* aspeed adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* bcm-iproc-adc
- Stray semicolon removal.
* cc10001
- devm_platfom_ioremap_resource to reduce boilerplate.
* dln2-adc
- Reorganise the buffered mode setup and tear down. Part of moving towards
being able to refactor this area of the IIO core.
* hdc100x
- Reorganise the buffered mode setup and tear down.
* ingenic-adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* lpc18xx-adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* lpc18xx-dac
- devm_platfom_ioremap_resource to reduce boilerplate.
* mt6577
- devm_platfom_ioremap_resource to reduce boilerplate.
* npcm
- devm_platfom_ioremap_resource to reduce boilerplate.
* rcar-gyroadc
- devm_platfom_ioremap_resource to reduce boilerplate.
* spear-adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* vf610-adc
- devm_platfom_ioremap_resource to reduce boilerplate.
* vf610-dac
- devm_platfom_ioremap_resource to reduce boilerplate.
* tag 'iio-for-5.5c' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (43 commits)
iio: adis16480: Add debugfs_reg_access entry
iio: adis16480: Fix scales factors
tools: iio: Correctly add make dependency for iio_utils
iio: adc: Add driver support for AD7292
dt-bindings: iio: adc: Add dt-schema for AD7292
dt-bindings: iio: adc: Migrate MCP3911 documentation to yaml
iio: imu: mpu6050: Add support for vdd-supply regulator
dt-bindings: iio: imu: mpu6050: add vdd-supply
iio: cros_ec_baro: set info_mask_shared_by_all_available field
iio: dac: ad5446: Add support for new AD5600 DAC
dt-bindings: iio: dac: Migrate LTC1660 documentation to yaml
iio: documentation: light: Add veml6030 sysfs documentation
dt-bindings: iio: light: add veml6030 ALS bindings
iio: light: add driver for veml6030 ambient light sensor
iio: imu: st_lsm6dsx: express odr in mHZ
iio: imu: st_lsm6dsx: fix ODR check in st_lsm6dsx_write_raw
iio: imu: st_lsm6dsx: explicitly define odr table size
iio: adc: stm32: allow to tune analog clock
dt-bindings: iio: stm32-adc: add max clock rate property
iio: dac: vf610: Use devm_platform_ioremap_resource
...
The driver is defining debugfs entries by calling
`adis16480_debugfs_init()`. However, those entries are attached to the
iio_dev debugfs entry which won't exist if no debugfs_reg_access
callback is provided.
Fixes: 2f3abe6cbb ("iio:imu: Add support for the ADIS16480 and similar IMUs")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch fixes the scales for the gyroscope, accelerometer and
barometer. The pressure scale was just wrong. For the others, the scale
factors were not taking into account that a 32bit word is being read
from the device.
Fixes: 7abad1063d ("iio: adis16480: Fix scale factors")
Fixes: 82e7a1b250 ("iio: imu: adis16480: Add support for ADIS1649x family of devices")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The AD7292 is a 10-bit monitor and control system with ADC, DACs,
temperature sensor, and GPIOs.
Configure AD7292 devices in direct access mode, enabling single-ended
ADC readings.
Datasheet:
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
MPU6050 has two power supply pins: VDD and VLOGIC, but the
mpu6050 driver only supports enabling one of them at the moment.
In some cases, they may need to be enabled separately.
Add an additional "vdd-supply" that stays enabled for as long as
the driver is loaded. We cannot turn off the VDD regulator during
suspend as this would cause register settings (FSR, sampling rate, ...)
to be lost.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Field was already set for light/proximity and
accelerometer/gyroscope/magnetometer sensors.
Fixes: ae7b02ad2f ("iio: common: cros_ec_sensors: Expose cros_ec_sensors frequency range via iio sysfs")
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The AD5600 is a single channel, 16-bit resolution, voltage output digital
to analog converter (DAC). The AD5600 uses a 3-wire SPI interface. It is
part of the AD5541 family of DACs.
The ad5446 IIO driver implements support for some of these DACs (in the
AD5441 family), so the change is a simple entry in this driver.
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/AD5600.pdf
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
veml6030 is an ambient light sensor from Vishay semiconductors.
It has 16-bit resolution, supports both ambient light measurement
and white channel which is more responsive to wider wavelength
spectrum. It has flexible power saving, integration time and
gain options. Communication with host is over I2C.
Signed-off-by: Rishi Gupta <gupt21@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Express available frequencies in mHZ in order to support even
rational ODRs. This patch is need to fix an Android CTS failure
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Since st_lsm6dsx i2c master controller relies on accel device as trigger
and slave devices can run at different ODRs we must select an accel_odr >=
slave_odr. Report real accel ODR in st_lsm6dsx_check_odr() in order to
properly set sensor frequency in st_lsm6dsx_write_raw and avoid to
report unsupported frequency
Fixes: 6ffb55e500 ("iio: imu: st_lsm6dsx: introduce ST_LSM6DSX_ID_EXT sensor ids")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Introduce odr_len in st_lsm6dsx_odr_table_entry data structure in order
to explicitly define odr table size and support devices with different
odr table map
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add new optional dt property to tune analog clock prescaler.
Driver looks for optional "st,max-clk-rate-hz", then computes
best approximation below that rate, using ADC internal prescaler.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reduce local boilerplate.
Suggested by coccinelle
CHECK drivers/iio/dac/vf610_dac.c
drivers/iio/dac/vf610_dac.c:189:1-11: WARNING: Use devm_platform_ioremap_resource for info -> regs
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Sanchayan Maity <maitysanchayan@gmail.com>
Reduce boilerplate.
Suggested by coccinelle
CHECK drivers/iio/dac/lpc18xx_dac.c
drivers/iio/dac/lpc18xx_dac.c:121:1-10: WARNING: Use devm_platform_ioremap_resource for dac -> base
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
CC: Joachim Eastwood <manabian@gmail.com>
Reduces boilerplate.
Suggested by coccinelle
CHECK drivers/iio/adc/vf610_adc.c
drivers/iio/adc/vf610_adc.c:819:1-11: WARNING: Use devm_platform_ioremap_resource for info -> regs
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Fugang Duan <b38611@freescale.com>
Avoids local boilerplate doing the same thing.
Suggested by coccinelle
CHECK drivers/iio/adc/spear_adc.c
drivers/iio/adc/spear_adc.c:283:1-22: WARNING: Use devm_platform_ioremap_resource for st -> adc_base_spear6xx
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Avoids some local boilerplate.
Suggested by coccinelle.
CHECK drivers/iio/adc/rcar-gyroadc.c
drivers/iio/adc/rcar-gyroadc.c:495:1-11: WARNING: Use devm_platform_ioremap_resource for priv -> regs
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Reduces local boilerplate code.
Suggested by coccinelle via coccicheck.
CHECK drivers/iio/adc/npcm_adc.c
drivers/iio/adc/npcm_adc.c:200:1-11: WARNING: Use devm_platform_ioremap_resource for info -> regs
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Tomer Maimon <tmaimon77@gmail.com>
Avoid local boilerplate.
Identified by coccinelle
CHECK drivers/iio/adc/lpc18xx_adc.c
drivers/iio/adc/lpc18xx_adc.c:137:1-10: WARNING: Use devm_platform_ioremap_resource for adc -> base
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Joachim Eastwood <manabian@gmail.com>
Replaces local boilerplate. Identified by coccinelle.
CHECK drivers/iio/adc/ingenic-adc.c
drivers/iio/adc/ingenic-adc.c:449:1-10: WARNING: Use devm_platform_ioremap_resource for adc -> base
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Artur Rojek <contact@artur-rojek.eu>
Reduces local boilerplate.
Found by coccinelle:
drivers/iio/adc/cc10001_adc.c:344:1-18: WARNING: Use devm_platform_ioremap_resource for adc_dev -> reg_base
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Naidu Tellapati <naidu.tellapati@imgtec.com>
Reduces boilerplate. Identified by coccinelle
CHECK drivers/iio/adc/mt6577_auxadc.c
drivers/iio/adc/mt6577_auxadc.c:257:1-18: WARNING: Use devm_platform_ioremap_resource for adc_dev -> reg_base
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Zhiyong Tao <zhiyong.tao@mediatek.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reduces boilerplate.
Identified by: Coccinelle / coccicheck
CHECK drivers/iio/adc/aspeed_adc.c
drivers/iio/adc/aspeed_adc.c:189:1-11: WARNING: Use devm_platform_ioremap_resource for data -> base
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Rick Altherr <raltherr@google.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Now that we have symbol namespaces, use them in MCB to not pollute the
default namespace with MCB internals.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Jessica Yu <jeyu@kernel.org>
Reviewed-by: Michael Moese <mmoese@suse.de>
Link: https://lore.kernel.org/r/20191016100158.1400-1-jthumshirn@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This was also caught by the `-Wmaybe-uninitialized` warning, which
(ironically as-is) it makes quite a lot of sense to do for this.
The code that actually calls this function will fail to copy on
the uninitialized value. Hence, patch does not need to go into stable.
Fixes: 78026a6fde ("iio:imu:adis: Add debugfs register access support")
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
