Use `\t(\{ ?\},|\{\}|\{\s*/\*.*\*/\s*\},?)$` regex to find and replace
the array sentinel in all IIO drivers to the same style.
For some time, we've been trying to consistently use `{ }` (no trailing
comma, no comment, one space between braces) for array sentinels in the
IIO subsystem. Still nearly 50% of existing code uses a different style.
To save reviewers from having to request this trivial change as
frequently, let's normalize the style in all existing IIO drivers.
At least when code is copy/pasted to new drivers, the style will be
consistent.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250411-iio-sentinel-normalization-v1-1-d293de3e3d93@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Merge tag 'v6.12-rc2' into test2
Linux 6.12-rc2
Resolved movement of asm/unaligned.h to linux/unaligned.h
Compatible 'ltr,ltrf216a' is used by Valve's Steamdeck device
via the ACPI + PRP0001 mechanism.
Document this info alongside the compatible.
Signed-off-by: Shreeya Patel <shreeya.patel@collabora.com>
Link: https://patch.msgid.link/20240923131527.1408691-1-shreeya.patel@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
asm/unaligned.h is always an include of asm-generic/unaligned.h;
might as well move that thing to linux/unaligned.h and include
that - there's nothing arch-specific in that header.
auto-generated by the following:
for i in `git grep -l -w asm/unaligned.h`; do
sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $i
done
for i in `git grep -l -w asm-generic/unaligned.h`; do
sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $i
done
git mv include/asm-generic/unaligned.h include/linux/unaligned.h
git mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.h
sed -i -e "/unaligned.h/d" include/asm-generic/Kbuild
sed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h
For better precision of input light intesity, return floating point
values through sysfs instead of an integer value
Signed-off-by: Shreeya Patel <shreeya.patel@collabora.com>
Link: https://lore.kernel.org/r/20231107192005.285534-1-shreeya.patel@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
After commit b8a1a4cd5a ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498 ("i2c: Switch .probe() to not take an id parameter") convert
back to (the new) .probe() to be able to eventually drop .probe_new() from
struct i2c_driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230515205048.19561-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add IIO_CHAN_INFO_RAW to the mask to be able to read raw values
from the light sensor.
The userspace code for brightness control in steam deck uses the
in_illuminance_input value through sysfs and multiplies it
with a constant stored in BIOS at factory calibration time.
The downstream driver for LTRF216A that we have been using
has incorrect formula for LUX calculation which we corrected
in the upstreamed driver.
Now to be able to use the upstreamed driver, we need to add some
magic in userspace so that the brightness control works like before
even with the updated LUX formula.
Hence, we need the raw data to calculate a constant that can be
added in userspace code.
Downstream driver LUX formula :-
(greendata*8*LTRF216A_WIN_FAC) / (data->als_gain_fac*data->int_time_fac*10)
Upstreamed driver LUX formula :-
(greendata*45*LTRF216A_WIN_FAC) / (data->als_gain_fac*data->int_time_fac)
greendata is the ALS_DATA which we would like to get through sysfs using
the raw attribute.
Signed-off-by: Shreeya Patel <shreeya.patel@collabora.com>
Link: https://lore.kernel.org/r/20220812100424.529425-1-shreeya.patel@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
