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Reorders the variable declarations to prefer a reverse Christmas tree
order to improve readability.
Signed-off-by: David Veenstra <davidjulianveenstra@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patches sorts all the includes in alphabetic order.
Signed-off-by: David Veenstra <davidjulianveenstra@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patches removes unneeded slab.h header.
Signed-off-by: David Veenstra <davidjulianveenstra@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The configuration register on the device is represented with the
prox_config member on the tsl2x7x_settings structure. According to the
TSL2772 data sheet, this register can hold: 1) the proximity drive
level, 2) ALS/Proximity long wait, and 3) the ALS gain level. This
patch renames prox_config to als_prox_config since ALS settings can
be stored here as well.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch removes several unnecessary comments, changes some comments
so that the use as much of the allowable 80 characters as possible, adds
the proper whitespace, removes some structure members from the kernel
docs that are no longer present, and improves the existing kernel doc
information for some existing structure members.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch changes the defaults of the als_time, prox_time and
wait_time to match the defaults according to the TSL2772 datasheet.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The driver mostly uses the 'prox' naming convention for most of the
proximity settings, however prx_time and tsl2x7x_prx_gain was present.
This patch renames these to prox_time and tsl2x7x_prox_gain for
consistency with everything else in the driver.
The kernel documentation for prx_gain is corrected to prox_gain so that
it matches what is actually in the structure.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The power and diode defines are needed for the platform data so this
patch moves the defines out of the .c file and into the header file. A
comment for the diode is also cleaned up while this code is touched.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch renames tsl2x7x_device_id() to tsl2x7x_device_id_verif(),
removes the unnecessary pointer on the id parameter, and only calls
the verification function once.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
tsl2x7x_write_interrupt_config() has an unnecessary return value check
at the end of the function. This patch changes the function to just
return the value from the call to tsl2x7x_invoke_change().
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
tsl2x7x_suspend() and tsl2x7x_resume() both check to see what the
current chip status is. These checks are not necessary so this patch
removes those checks.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
tsl2x7x_clear_interrupts() takes a reg argument but there are only
two callers to this function and both callers pass the same value.
Since this function was introduced, interrupts are now working
properly for this driver, and several unnecessary calls to
tsl2x7x_clear_interrupts() were removed. This patch removes the
tsl2x7x_clear_interrupts() function and replaces the two callers
with the i2c_smbus_write_byte() call instead.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
tsl2x7x_event_handler() could return an error and this could cause the
interrupt to remain masked. We shouldn't return an error in the
interrupt handler so this patch always returns IRQ_HANDLED. An error
will be logged if one occurs.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The integration_time* attributes are currently associated with the
IIO_LIGHT channel but should be associated with the IIO_INTENSITY
channel. Directory listing of the sysfs attributes for a TSL2772
with this patch applied:
dev
events
in_illuminance0_calibrate
in_illuminance0_calibscale_available
in_illuminance0_input
in_illuminance0_lux_table
in_illuminance0_target_input
in_intensity0_calibbias
in_intensity0_calibscale
in_intensity0_integration_time
in_intensity0_integration_time_available
in_intensity0_raw
in_intensity1_raw
in_proximity0_calibrate
in_proximity0_calibscale
in_proximity0_calibscale_available
in_proximity0_raw
name
of_node
power
subsystem
uevent
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reorder some variable declarations in an inverse-pyramid scheme.
Signed-off-by: Hernán Gonzalez <hernan@vanguardiasur.com.ar>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Clear checkpatch.pl WARNING about multiple line derefence but creates a
new one of line over 80 characters. In my opinion, it improves
readability.
Signed-off-by: Hernán Gonzalez <hernan@vanguardiasur.com.ar>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Clear a couple more checkpatch.pl CHECKS.
Signed-off-by: Hernán Gonzalez <hernan@vanguardiasur.com.ar>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Data to read or write was being handled with the swab16() macro instead
of using i2c_smbus_{read,write}_swapped.
Signed-off-by: Hernán Gonzalez <hernan@vanguardiasur.com.ar>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Move the adis16209 driver out of staging directory and merge to the
mainline IIO subsystem.
Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use GENMASK to improve readability and remove the local
variables used to store intermediate data.
Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove few unused header files since the adis core handles
the sysfs and buffer support.
Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a blank line after return statements to improve the code
readability.
Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Prefer reverse christmas tree ordering of declarations to
improve readability.
Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Have indentation in field definitions to make them
clearly different from the register addresses.
Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The events IIO_EV_INFO_VALUE and IIO_EV_INFO_ENABLE currently have a
falling and rising direction configured. There does not need to be a
separate distinction so this patch changes these to use the
either direction. Directory listing of event sysfs attributes for a
TSL2772 with this patch applied:
in_intensity0_thresh_either_en
in_intensity0_thresh_either_period
in_intensity0_thresh_falling_value
in_intensity0_thresh_rising_value
in_proximity0_thresh_either_en
in_proximity0_thresh_either_period
in_proximity0_thresh_falling_value
in_proximity0_thresh_rising_value
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The hardware supports 16-bit ALS and proximity readings, however the
datasheet recommends using the I2C auto increment protocol so that the
correct high and low bytes are read even if the integration cycle ends
between reading the lower and upper registers.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Move adis16201 driver out of staging and merge into mainline
IIO subsystem.
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Split the line over 80 characters limit to fix checkpatch
warning.
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use GENMASK to improve readability and remove the local variables used to
store intermediate data.
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove few unused headers files since the adis core handles the buffer and
sysfs support.
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add Brian Masney's copyright and to the list of module authors for all
of the staging cleanups. This patch also update's Jon Brenner's current
work email address since AMS now owns TAOS.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch ensures that all of the local variable declarations are in
reverse Christmas tree order where possible to increase code
readability.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove the ch0 and ch1 variables from tsl2x7x_get_lux() and
write those values directly into the chip->als_cur_info.als_ch0
and chip->als_cur_info.als_ch01 variables.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
tsl2x7x_get_lux() has a ch0lux and ch1lux variables that are not used
so this patch removes them.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The struct tsl2x7x_settings contained a persistence member that
contained both the ALS and proximity persistence fields. This patch
splits this out into two separate fields so that the bitmasks in
several parts of the code are no longer necessary.
The default persistence settings are also changed by this patch from:
- Proximity: 0 (Every proximity cycle generates an interrupt)
- ALS: 255 (60 consecutive values out of range)
to something a little more reasonable based on my testing:
- Proximity: 1 (1 proximity value out of range)
- ALS: 1 (1 value outside of threshold range)
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch updates all of the logging commands so that they are
consistent with the other messages, includes __func__ in the message,
and all of the messages include newlines. This patch also removes some
debug log messages.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The struct tsl2x7x_settings contained an interrupts_en member that was
a bitmask for which interrupts are enabled. This required having
bitmasks in several parts of the code. This patch splits this field
out into two booleans to remove most of the bitmasks in the code.
This patch also fixes a bug where if an interrupt pin was configured,
but proximity interrupts were disabled, then the proximity value could
not be polled.
This patch also removes an unnecessary second call to writing the
control register in tsl2x7x_chip_on().
Driver tested using a TSL2772 hooked up to a Raspberry Pi 2.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
tsl2x7x_prox_cal() would set the interrupt flag, and reset the device to
start doing the calibration routine. However, this did not actually
affect the readings since they are polled. This patch drops the interrupt
code.
This patch also drops the function tsl2x7x_prox_calculate() and removes
support for the standard deviation and min sample since those values
were not used.
Driver was tested using a TSL2772 hooked up to a Raspberry Pi 2. I
performed the following testing at various distances:
- Put hand in front of sensor and keep the sensor and hand stationary.
- Perform calibration routine.
- Run iio_event_monitor.
- Verify that a proximity event is triggered when my hand comes
anywhere between the sensor and where I performed the calibration
routine.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
tsl2x7x_get_lux() does not need to clear the interrupt flag when
querying the ALS. The interrupt flag is cleared in
tsl2x7x_event_handler(). This patches removes the unnecessary code.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
tsl2x7x_event_handler() was not called as expected when the device was
asserting a hardware interrupt. This patch changes the interrupt line
trigger from rising to falling.
The driver was tested on a TSL2772 hooked up to a Raspberry Pi 2. The
interrupt pin also had a 10K pull-up resistor per the requirements from
the datasheet. The relevant device tree binding:
&i2c1 {
tsl2772@39 {
compatible = "amstaos,tsl2772";
reg = <0x39>;
interrupt-parent = <&gpio>;
interrupts = <22 0x2>;
};
};
With this patch, iio_event_monitor now shows the events when the
channels are outside the defined interrupt thresholds.
$ sudo ./iio_event_monitor tsl2772
Found IIO device with name tsl2772 with device number 0
Event: time: 1478193460053760446, type: proximity, channel: 0, evtype:
thresh, direction: either
...
Event: time: 1478193463020270185, type: illuminance, channel: 0, evtype:
thresh, direction: either
...
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
As a follow up to the work in commit a0722d05a1 ("staging: iio:
tsl2x7x: convert mutex_trylock() to mutex_lock()"), this patch removes
the unnecessary calls to tsl2x7x_get_prox() and tsl2x7x_get_lux() in
tsl2x7x_event_handler(). Previously, these functions were locked with
mutex_trylock(), but that is no longer the case. This patch also removes
a comment that is no longer relevant about returning the last sample.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The original code had a read function per data size; after updates, all
read functions tasks were centralized in a single function, but the old
signature was kept to maintain the module working without problems. This
patch removes a set of duplications associated with read_reg_*, and
update the areas that calling the old interface by the new one.
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Rework read SPI function to reduce the code duplication and centralizes
all the task in a single function.
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The read operation for the I2C function has many duplications that can
be generalized into a single function. This patch reworks the read
operation for I2C to centralizes all similar code in a single function.
It is possible to remove all the old interface to use the new one,
however, for keeping the things simple and working this patch maintain
legacy interface.
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch removes code duplications related to the write_reg_*
functions and centralizes them in a single function. Also, it eliminates
the legacy functions and replaces them by a unique signature that is
used by SPI and I2C.
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The write operation using SPI has a many code duplications (similar to
I2C) and four different interfaces per data size. This patch introduces
a single function that centralizes the main task related to SPI.
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The write operation using I2C has many code duplications and four
different interfaces per data size. This patch introduces a single
function that centralizes the main tasks.
The central function inserted by this patch can easily replace all the
four functions related to the data size. However, this patch does not
remove any code signature for keeping the meter module work and make
easier to review this patch.
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
