kernel.git/drivers/iio/adc/ad7779.c, branch master

iio: Replace IRQF_ONESHOT with IRQF_NO_THREAD

2026-01-29T16:11:50Z

Passing IRQF_ONESHOT ensures that the interrupt source is masked until the secondary (threaded) handler is done. If only a primary handler is used then the flag makes no sense because the interrupt can not fire (again) while its handler is running. The flag also disallows force-threading of the primary handler and the irq-core will warn about this. The intention here was probably not allowing forced-threading for handlers such as iio_trigger_generic_data_rdy_poll() will intends to invoke hard-interrupt handlers. Replace IRQF_ONESHOT with IRQF_NO_THREAD. Reviewed-by: Andy Shevchenko Reviewed-by: Marcus Folkesson Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Jonathan Cameron

iio: adc: update ad7779 to use IIO backend

2025-09-10T18:46:59Z

Add a new functionality to ad7779 driver that streams data through data output interface using IIO backend interface. Reviewed-by: Andy Shevchenko Signed-off-by: Ioana Risteiu Link: https://patch.msgid.link/20250825221355.6214-5-Ioana.Risteiu@analog.com Signed-off-by: Jonathan Cameron

iio: adc: extract setup function without backend

2025-08-31T12:36:25Z

Refactor probe function by moving the initialization specific to communication without iio-backend into a separate setup function. The purpose of this modification is better code organization. No functional changes intended. Reviewed-by: Andy Shevchenko Signed-off-by: Ioana Risteiu Link: https://patch.msgid.link/20250825221355.6214-4-Ioana.Risteiu@analog.com Signed-off-by: Jonathan Cameron

iio: adc: Use iio_push_to_buffers_with_ts() to provide length for runtime checks.

2025-05-21T13:20:26Z

This new function allows us to perform debug checks in the helper to ensure that the overrun does not occur. Use it in all the simple cases where either a static buffer or a structure is used in the drivers. Reviewed-by: David Lechner Link: https://patch.msgid.link/20250413103443.2420727-10-jic23@kernel.org Signed-off-by: Jonathan Cameron

iio: adc: ad7779: Stop using iio_device_claim_direct_scoped()

2025-02-17T13:01:49Z

This complex cleanup.h use case of conditional guards has proved to be more trouble that it is worth in terms of false positive compiler warnings and hard to read code. Move directly to the new claim/release_direct() that allow sparse to check for unbalanced context. Cc: Ramona Alexandra Nechita Reviewed-by: David Lechner Reviewed-by: Nuno Sa Link: https://patch.msgid.link/20250209180624.701140-15-jic23@kernel.org Signed-off-by: Jonathan Cameron

drivers: iio: adc: add support for ad777x family

2024-10-28T20:04:10Z

Add support for AD7770, AD7771, AD7779 ADCs. The device is capable of sending out data both on DOUT lines interface,as on the SDO line. The driver currently implements only the SDO data streaming mode. SPI communication is used alternatively for accessing registers and streaming data. Register accesses are protected by crc8. Signed-off-by: Ramona Alexandra Nechita Link: https://patch.msgid.link/20241014143204.30195-4-ramona.nechita@analog.com Signed-off-by: Jonathan Cameron