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da8091f8 |
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04-Oct-2022 |
Nuno Sá <nuno.sa@analog.com> |
iio: adc: ltc2947-core: do not use internal iio_dev lock The iio_device lock is only meant for internal use. Hence define a device local lock to protect against concurrent accesses. While at it, properly include "mutex.h" for mutex related APIs. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20221004134909.1692021-6-nuno.sa@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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1695c52a |
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16-Sep-2022 |
Ciprian Regus <ciprian.regus@analog.com> |
drivers: iio: adc: ltc2497: Rename the LTC2499 iio device Set the iio device's name based on the chip used for the LTC2499 only. The most common way for IIO clients to interact with a device is to address it based on it's name. By using the dev_name() function, the name will be set based on a i2c_client's kobj name, which has the format i2c_instance-i2c_address (1-0076 for example). This is not ideal, since it makes a requirement for userspace to have knowledge about the hardware connections of the device. The name field is set to NULL for the LTC2497 and LTC2496, so that the old name can kept as it is, since changing it will result in an ABI breakage. Signed-off-by: Ciprian Regus <ciprian.regus@analog.com> Link: https://lore.kernel.org/r/20220916140922.2506248-6-ciprian.regus@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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2187cfeb |
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16-Sep-2022 |
Ciprian Regus <ciprian.regus@analog.com> |
drivers: iio: adc: ltc2497: LTC2499 support The LTC2499 is a 16-channel (eight differential), 24-bit, ADC with Easy Drive technology and a 2-wire, I2C interface. Implement support for the LTC2499 ADC by extending the LTC2497 driver. A new chip_info struct is added to differentiate between chip types and resolutions when reading data from the device. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/2499fe.pdf Signed-off-by: Ciprian Regus <ciprian.regus@analog.com> Link: https://lore.kernel.org/r/20220916140922.2506248-5-ciprian.regus@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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69548b7c |
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09-Dec-2019 |
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> |
iio: adc: ltc2497: split protocol independent part in a separate module This allows to share most of this driver for the ltc2496 driver added in the next commit that is an SPI variant of the ltc2497. Initially I named the generic part ltc249x, but wild card names are frowned upon, so the generic part is called ltc2497-core even though it's not obvious that this is then to be reused for the ltc2496 driver. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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