- 06 Apr, 2024 18 commits
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Dan Carpenter authored
The > comparison needs to be >= to prevent an out of bounds access. Fixes: 620d1e6c ("iio: light: Add support for APDS9306 Light Sensor") Signed-off-by:
Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by:
Subhajit Ghosh <subhajit.ghosh@tweaklogic.com> Link: https://lore.kernel.org/r/69c5cb83-0209-40ff-a276-a0ae5e81c528@moroto.mountainSigned-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Lothar Rubusch authored
Add a setup function implementation to the spi module to enable spi-3wire when specified in the device-tree. If spi-3wire is not specified in the device-tree, NULL is returned as bus pre-initialization. This behavior is identical to the i2c initialization, hence the default initialization. Signed-off-by:
Lothar Rubusch <l.rubusch@gmail.com> Link: https://lore.kernel.org/r/20240401194906.56810-9-l.rubusch@gmail.comSigned-off-by:
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Lothar Rubusch authored
Add a comment to the probe() function to describe the passed function pointer argument in particular. Signed-off-by:
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Lothar Rubusch authored
Bring indio_dev, setup() and data initialization to begin of the probe() function to increase readability. Access members through data pointer to assure implicitely the driver's data instance is correctly initialized and functional. Signed-off-by:
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Lothar Rubusch authored
Provide a way for bus specific pre-configuration by adding a function pointer argument to the driver core's probe() function, and keep the driver core implementation bus independent. In case NULL was passed, a regmap_write() shall initialize all bits of the data_format register, else regmap_update() is used. In this way spi and i2c are covered. Signed-off-by:
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Lothar Rubusch authored
Add spi-3wire because the device allows to be configured for spi 3-wire communication. Signed-off-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240401194906.56810-5-l.rubusch@gmail.comSigned-off-by:
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Lothar Rubusch authored
Move defines from core to the header file. Keep the defines block together in one location. Signed-off-by:
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Lothar Rubusch authored
Group the indio_dev initialization and bus configuration for improved readability. Signed-off-by:
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Lothar Rubusch authored
Replace write() data_format by regmap_update_bits() to keep bus specific pre-configuration which might have happened before on the same register. The bus specific bits in data_format register then need to be masked out, Remove the data_range field from the struct adxl345_data, because it is not used anymore. Signed-off-by:
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Jonathan Cameron authored
Also change both firmware parsing functions to return meaningful errors. Whilst for the ACPI case this isn't that useful, for the generic fwnode case we can return the errors coming from the property parsing instead of just whether we succeeded or not. Cc: Marius Cristea <marius.cristea@microchip.com> Reviewed-by:
Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240330190849.1321065-9-jic23@kernel.orgSigned-off-by:
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Jonathan Cameron authored
By using this scoped based cleanup direct returns on errors are enabled simplifying the code. Cc: Mihail Chindris <mihail.chindris@analog.com> Cc: Marcelo Schmitt <marcelo.schmitt1@gmail.com> Reviewed-by:
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Jonathan Cameron authored
This loop definition automatically release the fwnode_handle on early exit simplifying error handling paths. Cc: Kim Seer Paller <kimseer.paller@analog.com> Reviewed-by:
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Jonathan Cameron authored
This loop definition automatically releases the fwnode_handle on early exit such as the error cases seen here. This reducing boilerplate and the chance of a resource leak being introduced in future. Cc: Dumitru Ceclan <mitrutzceclan@gmail.com> Reviewed-by:
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Jonathan Cameron authored
This loop definition removes the need for manual releasing of the fwnode_handle in early exit paths (here an error path) allow simplfication of the code and reducing the chance of future modificiations not releasing fwnode_handle correctly. Cc: Cosmin Tanislav <demonsingur@gmail.com> Cc: Nuno Sa <nuno.sa@analog.com> Reviewed-by:
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Jonathan Cameron authored
This new loop definition automatically releases the handle on early exit reducing the chance of bugs that cause resource leaks. Cc: Linus Walleij <linus.walleij@linaro.org> Reviewed-by:
Linus Walleij <linus.walleij@linaro.org> Reviewed-by:
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Jonathan Cameron authored
Seems these got renamed at somepoint but the documentation wasn't updated to match. Cc: Linus Walleij <linus.walleij@linaro.org> Reviewed-by:
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Jonathan Cameron authored
Switching to the _scoped() version removes the need for manual calling of fwnode_handle_put() in the paths where the code exits the loop early. In this case that's all in error paths. Cc: Nuno Sá <nuno.sa@analog.com> Reviewed-by:
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Jonathan Cameron authored
Switching to the _scoped() version removes the need for manual calling of fwnode_handle_put() in the paths where the code exits the loop early. In this case that's all in error paths. Removing the goto err; statements also allows more extensive use of dev_err_probe() further simplifying the code. Cc: Mihail Chindris <mihail.chindris@analog.com> Reviewed-by:
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- 30 Mar, 2024 1 commit
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David Lechner authored
This modifies the ad7944 driver to use spi_optimize_message() to reduce CPU usage and increase the max sample rate by avoiding repeating validation of the spi message on each transfer. Signed-off-by:
David Lechner <dlechner@baylibre.com> Link: https://lore.kernel.org/r/20240328-ad7944-spi-optimize-message-v2-1-a142b2576379@baylibre.comSigned-off-by:
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- 28 Mar, 2024 9 commits
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David Lechner authored
This simplifies the adi,spi-mode property parsing by using device_property_match_property_string() instead of two separate functions. Also, the error return value is now more informative in cases where there was a problem parsing the property. Suggested-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by:
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Laurent Pinchart authored
The DAC081C081 is a TI DAC whose software interface is compatible with the DAC5571. It is the 8-bit version of the DAC121C081, already supported by the DAC5571 driver. Extends the driver to support this chip. Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by:
Sean Nyekjaer <sean@geanix.com <mailto:sean@geanix.com>> Link: https://lore.kernel.org/r/20240325203245.31660-3-laurent.pinchart@ideasonboard.comSigned-off-by:
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Laurent Pinchart authored
The DAC081C081 is a TI DAC whose software interface is compatible with the DAC5571. It is the 8-bit version of the DAC121C081, already supported by the DAC5571 bindings. Extends the bindings to support this chip. Signed-off-by:
Sean Nyekjaer <sean@geanix.com> Link: https://lore.kernel.org/r/20240325203245.31660-2-laurent.pinchart@ideasonboard.comSigned-off-by:
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Javier Carrasco authored
The Maxim max30101 is the replacement for the max30105, which is no longer recommended for future designs. Their internal structure is identical, as well as the register map, configuration options and sensitivity, which allows for code recycling. Signed-off-by:
Javier Carrasco <javier.carrasco.cruz@gmail.com> Link: https://lore.kernel.org/r/20240324-max30101-v2-2-611deb510c97@gmail.comSigned-off-by:
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Javier Carrasco authored
The Maxim max30101 is the replacement for the max30105, which is no longer recommended for future designs. The max30101 does not require new properties, and it can be described with the existing ones for the max30105, which will be used as a fallback compatible. Signed-off-by:
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Christophe JAILLET authored
Use spi_read() instead of hand-writing it. It is less verbose. Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/8327ac591d244ac85aa83c01e559076159c7ba12.1711283728.git.christophe.jaillet@wanadoo.frSigned-off-by:
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Vasileios Amoiridis authored
Sort headers in alphabetical order. Signed-off-by:
Vasileios Amoiridis <vassilisamir@gmail.com> Reviewed-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240319002925.2121016-2-vassilisamir@gmail.comSigned-off-by:
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David Lechner authored
This adds a new page to document how to use the ad7944 ADC driver. Signed-off-by:
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David Lechner authored
Patches touching the IIO subsystem documentation should also be sent to the IIO mailing list. Signed-off-by:
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- 25 Mar, 2024 12 commits
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David Lechner authored
This adds support for AD7944 ADCs wired in "3-wire mode". (NOTE: 3-wire is the datasheet name for this wiring configuration and has nothing to do with SPI_3WIRE.) In the 3-wire mode, the SPI controller CS line can be wired to the CNV line on the ADC and used to trigger conversions rather that using a separate GPIO line. The turbo/chain mode compatibility check at the end of the probe function is technically can't be triggered right now but adding it now anyway so that we don't forget to add it later when support for daisy-chaining is added. Reviewed-by:
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Colin Ian King authored
There is a statement with two semicolons. Remove the second one, it is redundant. Signed-off-by:
Colin Ian King <colin.i.king@gmail.com> Reviewed-by:
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Nuno Sa authored
Use the new cleanup magic for handling mutexes in IIO. This allows us to greatly simplify some code paths. While at it, also use __free(kfree) where allocations are done and drop obvious comment in iio_channel_read_min(). Signed-off-by:
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Nuno Sa authored
Use the new cleanup magic for handling mutexes in IIO. This allows us to greatly simplify some code paths. Signed-off-by:
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Nuno Sa authored
Use the new cleanup magic for handling mutexes in IIO. This allows us to greatly simplify some code paths. Signed-off-by:
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Nuno Sa authored
Use the new cleanup magic for handling mutexes in IIO. This allows us to greatly simplify some code paths. Note that we keep the plain mutex calls in the iio_device_release|acquire() APIs since in there the macros would likely not help much (as we want to keep the lock acquired when he leave the APIs). Signed-off-by:
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Jean-Baptiste Maneyrol authored
Add wakeup from suspend for WoM when enabled and put accel in low-power mode when suspended. Requires rewriting pwr_mgmt_1 register handling and factorize out accel LPF settings. Use a low-power rate similar to the chip sampling rate but always lower for a best match of the sampling rate while saving power and adjust threshold to follow the required roc value. Signed-off-by:
Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com> Link: https://lore.kernel.org/r/20240311160557.437337-5-inv.git-commit@tdk.comSigned-off-by:
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Jean-Baptiste Maneyrol authored
Add new interrupt handler for generating WoM event from int status register bits. Launch from interrupt the trigger poll function for data buffer. Signed-off-by:
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Jean-Baptiste Maneyrol authored
Add WoM (roc rising) event as accel x_or_y_or_z event for all chips >= MPU-6500. This requires to create new MPU-6500 channels as default and MPU-6050 channels for older chips. Signed-off-by:
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Jean-Baptiste Maneyrol authored
WoM is a threshold test on accel value comparing actual sample with previous one. It maps best to roc rising event. Add support of a new WOM sensor and functions for handling the associated roc_rising event. The event value is in SI units. Ensure WOM is stopped and restarted at suspend-resume, handle usage with buffer data ready interrupt, and handle change in sampling rate impacting already set roc value. Signed-off-by:
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Javier Carrasco authored
The HDC3020 provides an active low reset signal that must be handled if connected. Asserting this signal turns the device into Trigger-on Demand measurement mode, reducing its power consumption when no measurements are required like in low-power modes. According to the datasheet, the longest "Reset Ready" is 3 ms, which is only taken into account if the reset signal is defined. Signed-off-by:
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Javier Carrasco authored
The HDC3020 provides an active low reset signal that is still not described in the bindings. Add reset-gpios to the bindings and the example. Reviewed-by:
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