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According to the datasheet of BMP38x and BMP390 devices, for an SPI
read operation the first byte that is returned needs to be dropped,
and the rest of the bytes are the actual data returned from the
sensor.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 8d329309184d ("iio: pressure: bmp280: Add support for BMP380 sensor family")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Acked-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Link: https://lore.kernel.org/r/20240219191359.18367-1-vassilisamir@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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"bmp085" is missing in bmp280_spi_id[] table, which leads to the next
warning in dmesg:
SPI driver bmp280 has no spi_device_id for bosch,bmp085
Add "bmp085" to bmp280_spi_id[] by mimicking its existing description in
bmp280_of_spi_match[] table to fix the above warning.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Fixes: b26b4e91700f ("iio: pressure: bmp280: add SPI interface driver")
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Small cleanup reordering local variable declarations following reverse
christmas tree convention.
Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/bb63a996eb9c4555bf83471770f0169d2627e79c.1697994521.git.ang.iglesiasg@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use the spi_get_device_match_data() helper instead of
device_get_match_data() and the fallback match_id logic.
Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/9ea8ac90b2b8a8cf45803d0435243c0bee009b37.1697994521.git.ang.iglesiasg@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Adds compatibility with the new sensor generation, the BMP580.
The measurement and initialization codepaths are adapted from
the device datasheet and the repository from manufacturer at
https://github.com/boschsensortec/BMP5-Sensor-API.
Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/f899fceec9b48bc173bd4b7555f0a237fa32d520.1676823250.git.ang.iglesiasg@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Refactor driver I2C and SPI implementations using pointers for each
variant's chip_info as the driver data. Adds the regmap configuration
to the chip_info struct.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suggested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/a48cfa756be48d61dbf656c65daff6e9a1290e6f.1676823250.git.ang.iglesiasg@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Adds compatibility with the new generation of this sensor, the BMP380.
Includes basic sensor initialization to do pressure and temp
measurements and allows tuning oversampling settings for each channel.
The compensation algorithms are adapted from the device datasheet and
the repository https://github.com/BoschSensortec/BMP3-Sensor-API.
Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Link: https://lore.kernel.org/r/f1da2a2f1bc5bb083f318335c23b4f3d9bb8e536.1663025017.git.ang.iglesiasg@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Avoid unnecessary pollution of the global symbol namespace by
moving library functions in to a specific namespace and import
that into the drivers that make use of the functions.
For more info: https://lwn.net/Articles/760045/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220220173701.502331-3-jic23@kernel.org
Reviewed-By: Joe Simmons-Talbott <joetalbott@gmail.com>
Link: https://lore.kernel.org/r/20220604155306.422937-3-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use the new EXPORT_RUNTIME_DEV_PM_OPS() macro. It allows the underlying
dev_pm_ops struct as well as the suspend/resume callbacks to be detected
as dead code in the case where CONFIG_PM is disabled, without having to
wrap everything inside #ifdef CONFIG_PM guards.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We can drop some duplicate code if we use devm_action for disabling
regulators and pm and the managed variant of iio_device_register().
This allows us to completely remove all remove() callbacks from both
i2c and spi code.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add SPDX license identifiers to all files which:
- Have no license information of any form
- Have MODULE_LICENCE("GPL*") inside which was used in the initial
scan/conversion to ignore the file
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The PM280 has an internal standby-mode, but to really save power
we should shut the sensor down and disconnect the power. With
the proper .pm hooks we can enable both runtime and system power
management of the sensor. We use the *force callbacks from the
system PM hooks. When the sensor comes back we always reconfigure
it to make sure it is ready to roll as expected.
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The first version of this sensor, BMP085, supports sending an
End-of-Conversion (EOC) interrupt. Add code to support this using
a completion, in a similar vein as drivers/misc/bmp085.c does.
Make sure to check that we are given a rising edge, because the
EOC line goes from low-to-high when the conversion is ready.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This patch mimics the SPI functionality found in the misc driver in
drivers/misc/bh085-spi.c to make it possible to reuse the existing
BMP280/BMP180/BMP085 driver with all clients of the other driver.
The adoption is straight-forward since like the other driver, it is
a simple matter of using regmap.
This driver is also so obviously inspired/copied from the old misc
driver in drivers/misc/bmp085.c that I just took the liberty to
add in the authors of the other drivers + self in the core driver
file.
The MISC driver also supports a variant named "BMP181" so include
that here to be complete in comparison to the old driver.
The bus mapping code for SPI was written by Akinobu Mita.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Tested-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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