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In bmc150_accel_unregister_triggers() triggers should be unregistered in
reverse order of registration. Trigger registration starts with number 0,
counting up. In consequence, trigger number needs to be count down here.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Octavian Purdila <octavian.purdila@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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When setting the bits for integration time, the appropriate bitmask needs
to be cleared first.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The DT-Property "atmel,adc-startup-time" is stored in an u8 for a microsecond
value. When trying to increase the value of STARTUP in Register AT91_ADC_MR
some higher values can't be reached.
Change the type in function parameter and private structure field from u8 to
u32.
Signed-off-by: Jan Leupold <leupold@rsi-elektrotechnik.de>
[nicolas.ferre@atmel.com: change commit message, increase u16 to u32 for startup time]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The value sent on the SPI bus is shifted by an erroneous number of bits.
The shift value was already computed in the iio_chan_spec structure and
hence subtracting this argument to 16 yields an erroneous data position
in the SPI stream.
Signed-off-by: JM Friedt <jmfriedt@femto-st.fr>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Because of the ABI confusion proximity value exposed by SX9500
was inverted.
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Reviewed-by: Vlad Dogaru <vlad.dogaru@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The gyroscope needs IIO_VAL_INT_PLUS_NANO for the scale channel and
unless specified write returns MICRO by default.
This needs to be properly specified so that write operations into scale
have the expected behaviour.
Signed-off-by: Adriana Reus <adriana.reus@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
threaded IRQs without a primary handler need to be requested with
IRQF_ONESHOT, otherwise the request will fail.
So pass the IRQF_ONESHOT flag in this case.
The semantic patch that makes this change is available
in scripts/coccinelle/misc/irqf_oneshot.cocci.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The module-data is currently missing. This includes the license-information
which makes the driver taint the kernel and miss symbols when compiled as
module.
Fixes: 44d6f2ef94f9 ("iio: adc: add driver for Rockchip saradc")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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By default all the sensors are runtime suspended state (lowest power
state). During Linux suspend process, all the run time suspended
devices are resumed and then suspended. This caused all sensors to
power up and introduced delay in suspend time, when we introduced
runtime PM for HID sensors. The opposite process happens during resume
process.
To fix this, we do powerup process of the sensors only when the request
is issued from user (raw or tiggerred). In this way when runtime,
resume calls for powerup it will simply return as this will not match
user requested state.
Note this is a regression fix as the increase in suspend / resume
times can be substantial (report of 8 seconds on Len's laptop!)
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Tested-by: Len Brown <len.brown@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Construct the scanmask using its descriptive axis names (as used in
iio_chan_spec) instead of a 'magic' value.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Signed-off-by: Jandy Gou <qingsong.gou@ck-telecom.com>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Some macros and a function were missing the acpi_als_ prefix, so add it.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Jonathan writes:
Second set of IIO fixes for the 4.2 cycle. Note these depend (mostly) on
material in the recent merge window, hence their separation from set (a)
as the fixes-togreg branch predated the merge window. I am running rather
later with these than I would have liked hence the large set.
* stk3310 fixes from Hartmut's review that came in post merge
- fix direction of proximity inline with recent documentation
clarification.
- fix missing REGMAP_I2C dependency
- rework the error handling for raw readings to fix an failure to power
down in the event of a raw reading failing.
- fix a bug in the compensation code which was toggling an extra bit in the
register.
* mmc35240 - reported samplign frequencies were wrong.
* ltr501 fixes
- fix a case of returning the return value of a regmap_read instead of
the value read.
- fix missing regmap dependency
* sx9500 - fix missing default values for ret in a couple of places to handle
the case of no enabled channels.
* tmp006 - check that writes to info_mask elements are actually to writable
ones. Otherwise, writing to any of them will change the sampling frequency.
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Jonathan writes:
First set of IIO fixes for the 4.2 cycle.
* Fix a regression in hid sensors suspend time as a result of adding runtime
pm. The normal flow of waking up devices in order to go into suspend
(given the devices are normally suspended when not reading) to a regression
in suspend time on some laptops (reports of an additional 8 seconds).
Fix this by checking to see if a user action resulting in the wake up, and
make it a null operation if it didn't. Note that for hid sensors, there is
nothing useful to be done when moving into a full suspend from a runtime
suspend so they might as well be left alone.
* rochip_saradc: fix some missing MODULE_* data including the licence so that
the driver does not taint the kernel incorrectly and can build as a module.
* twl4030 - mark irq as oneshot as it always should have been.
* inv-mpu - write formats for attributes not specified, leading to miss
interpretation of the gyro scale channel when written.
* Proximity ABI clarification. This had snuck through as a mess. Some
drivers thought proximity went in one direction, some the other. We went
with the most common option, documented it and fixed up the drivers going
the other way. Fix for sx9500 included in this set.
* ad624r - fix a wrong shift in the output data.
* at91_adc - remove a false limit on the value of the STARTUP register
applied by too small a type for the device tree parameter.
* cm3323 - clear the bits when setting the integration time (otherwise
we can only ever set more bits in the relevant field).
* bmc150-accel - multiple triggers are registered, but on error were not being
unwound in the opposite order leading to removal of triggers that had not
yet successfully been registered (count down instead of up when unwinding).
* tcs3414 - ensure right part of val / val2 pair read so that the integration
time is not always 0.
* cc10001_adc - bug in kconfig dependency. Use of OR when AND was intended.
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i2c_driver does not need to set an owner because i2c_register_driver()
will set it.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This patch removes an unnecessary blank line
found by checkpatch.pl --strict:
Blank lines aren't necessary after an open brace '{'.
Signed-off-by: Ana Calinov <ana.calinov@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This patch fixes the the following errors given by
checkpatch.pl with --strict:
Please don't use multiple blank lines.
Blank lines aren't necessary after an open brace '{'.
Signed-off-by: Ana Calinov <ana.calinov@gmail.com>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.
Simplify driver accordingly. Furthermore this is one caller less that
stops us making the flags argument to gpiod_get*() mandatory.
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.
Simplify driver accordingly. Furthermore this is one caller less that
stops us making the flags argument to gpiod_get*() mandatory.
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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This patch renames the top half handler and the bottom half handler
of iio_triggered_buffer_setup() in accordance with their usage.
The bottom half has been renamed to reflect the fact that it is a
thread based call, compliant with iio_alloc_pollfunc().
The names of the parameters were swapped, thus creating confusion.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Added support for setting the STK8312 accelerometer's
sampling rate.
Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Added triggered buffer mode support for the STK8312 accelerometer.
Additional changes:
- set_mode now sets operation mode directly, no longer masking
the register's previous value
- read_accel now returns raw acceleration data instead of the
sign_extend32 value
- read_raw will now enable/disable the sensor with each reading
Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Add data-ready interrupts and trigger support for STK8BA50.
Additional changes:
- read_accel now returns raw acceleration data instead of the
sign_extend32 value
- read_raw will now enable/disable the sensor with each reading
Change-Id: I9c2d7be4256b2dcc5546e4432308ea54f8004333
Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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MS5607 is temperature and pressure sensor which hardware is similar to MS5611.
Both sensors share command protocol and support both I2C and SPI serial
protocols. They only differ in compensation algorithms.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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IIO_CHAN_INFO_SCALE is useful whenever conversion to standard units is done
in userspace. In this case conversion is handled by driver so this bit
is unnecessary.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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only SAMP_FREQ is writable
Will lead to SAMP_FREQ being written by any attempt to write
to the other exported attributes and hence a rather unexpected
result!
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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drivers/iio/proximity/sx9500.c: In function ‘sx9500_buffer_preenable’:
drivers/iio/proximity/sx9500.c:682: warning: ‘ret’ may be used uninitialized in this function
drivers/iio/proximity/sx9500.c: In function ‘sx9500_buffer_predisable’:
drivers/iio/proximity/sx9500.c:706: warning: ‘ret’ may be used uninitialized in this function
If active_scan_mask is empty, it will loop once more over all channels,
doing nothing.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Vlad Dogaru <vlad.dogaru@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The use of regmap in commit 2f2c96338afc requires REGMAP_I2C to be selected, in
order to meet all dependencies.
Fixes: 2f2c96338afc ("iio: ltr501: Add regmap support.")
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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When filling data->als_contr, the register content read into status needs
to be used, instead of the return status value of regmap_read.
Fixes: 8592a7eefa540 ("iio: ltr501: Add support for ltr559 chip")
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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In ancient times it was necessary to manually initialize the bus
field of an spi_driver to spi_bus_type. These days this is done in
spi_register_driver(), so we can drop the manual assignment.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
To: Jonathan Cameron <jic23@kernel.org>
To: Lars-Peter Clausen <lars@metafoo.de>
To: Karol Wrona <k.wrona@samsung.com>
To: linux-iio@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Karol Wrona <k.wrona@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The initial compensation was mistakingly toggling an extra bit in the
control register. Fix this and make sure it's less likely to happen by
introducing an additional macro.
Reported-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Fix error handling so that we can power the chip down even if a raw read
fails.
Reported-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Fix the sampling frequencies according to the datasheet (page 8). The
datasheet specifies the following available frequencies for continuous
mode: 1.5 Hz, 13 Hz, 25 Hz, and 50 Hz.
Also fix comments about the ODR to comply with datasheet.
Signed-off-by: Teodora Baluta <teodora.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The stk3310 driver makes use of regmap_i2c, so this dependency needs to be
reflected in Kconfig.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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In accordance with the recent proximity ABI changes,
STK3310's proximity readings should be un-inversed
in order to return low values for far-away objects
and high values for close ones.
As consequences of this change, iio event directions
have been switched and maximum proximity sensor
reference values have also been adjusted in accordance
with the real readings.
Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Rework the help text of several ADCs to make sure that:
- the module name is mentioned, if the driver can be built as a module
- "If unsure, say N" messages are dropped
- right indentation is maintained
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The Cosmic Circuits 10001 ADC driver depends on HAS_IOMEM, HAVE_CLK and
REGULATOR together, not just any of these.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This patch adds support for ROHM RPR0521 ambient light and proximity
sensor. It offers raw readings for intensity and proximity.
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The BMC156 is a slightly less capable version of BMC150 which lacks
support for magnetometer thresholds. Since this driver does not support
those anyway, adding support is trivial.
Datasheet is available at
https://ae-bst.resource.bosch.com/media/products/dokumente/bmc156_1/BST-BMC156-DS000-01.pdf
Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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the millisecond values in tcs3414_times should be checked against
val2, not val, which is always zero.
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Reported-by: Stephan Kleisinger <stephan.kleisinger@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This patch changes the semantics of non-blocking reads so that a
hardware fifo flush is triggered if the available data in the device
buffer is less then the requested size.
This allows userspace to accurately generate hardware fifo flushes, by
doing a non-blocking read with a size greater then the sum of the
device buffer and hardware fifo size.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Apply the following coding style changes as indicated by checkpatch.pl in
strict mode:
- Please don't use multiple blank lines
- braces {} should be used on all arms of this statement (if/else)
- Alignment should match open parenthesis
- Please don't use multiple blank lines
- Blank lines aren't necessary after an open brace '{'
- Missing a blank line after declarations
- No space is necessary after a cast
Also wrap/consolidate error messages to fit 80 characters per line and
rework a comment.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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BMC150_ACCEL_SLOPE_THRES_MASK was defined some time ago, but its 'magic'
value got used instead in bmc150_accel_write_event(). Make use of it for
improved readability.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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In bmc150_accel_unregister_triggers() triggers should be unregistered in
reverse order of registration. Trigger registration starts with number 0,
counting up. In consequence, trigger number needs to be count down here.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Octavian Purdila <octavian.purdila@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Add some empty lines to visually separate logical structure blocks, as
after if-blocks or before regular returns.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Use GENMASK to define the integration time bitmask.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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In cm3323_read_raw() i is used as return variable for the integration time
index. The also existing return variable ret however is unused in this
case, although appropriate. Replace i with ret and drop it.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Hartmut Knaack
Jan Leupold
JM Friedt
Daniel Baluta
Adriana Reus
Fabio Estevam
Heiko Stuebner
Srinivas Pandruvada
Jandy Gou
Greg Kroah-Hartman
Krzysztof Kozlowski
Ana Calinov
Uwe Kleine-König
Cristina Opriceana
Tiberiu Breana
Tomasz Duszynski
Peter Meerwald
Geert Uytterhoeven
Antonio Borneo
Vlad Dogaru
Teodora Baluta
Octavian Purdila