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Benjamin Berg b4f564cafc spi-transfer: Keep CS asserted during long transfers 
Long transfers need to be split into multiple chunks because of
limitations by the spidev kernel driver. If this happens, we need to
make sure that the CS line remains high between the different chunks.

Add code to split the transfer into chunks and ask the driver to not
deassert CS after the transfer. Technically, this is only an
optimization as concurrent access to another device might still cause
deselection. However, this should mean that devices work without having
to change the spidev module parameter.

Use the feature in the hope that it will work. However, print a message
(not a warning), to help with debugging in case someone does run into
issues because of this.
2021-06-21 22:24:58 +00:00
..
drivers goodixmoc: Remove internal cancellable 2021-06-21 15:11:18 +00:00
nbis nbis: re-add step to remove perimeter points 2020-06-03 20:44:41 -07:00
drivers_api.h spi-transfer: Add SPI transfer helper routines 2021-04-08 16:52:20 +00:00
empty_file build: Remove the need to modify sources for new drivers 2018-05-24 12:23:39 +02:00
fp-context.c fp-context: Check hidraw VID/PID with udev instead of an ioctl 2021-06-21 13:39:24 -04:00
fp-context.h lib: Major rewrite of the libfprint core and API 2019-11-20 11:03:09 +01:00
fp-device-private.h Add support for udev based device discovery 2021-04-08 17:08:53 +02:00
fp-device.c device: Add void return type tag to fp_device_delete_print_sync 2021-05-14 15:28:54 +00:00
fp-device.h fp-device: Add fp_device_clear_storage and clear_storage vfunc 2021-04-29 11:49:27 +00:00
fp-image-device-private.h image-device: Remove cancelling boolean from private data 2020-11-04 14:13:00 +01:00
fp-image-device.c fpi-device: Add FpiDeviceFeature flags to FpDeviceClass 2021-04-12 22:14:06 +02:00
fp-image-device.h fp-image-device: Properly include fp-device.h 2020-06-16 22:49:38 +02:00
fp-image.c image: Fix warning about uninitialized variable 2020-12-08 13:33:30 +01:00
fp-image.h lib: Major rewrite of the libfprint core and API 2019-11-20 11:03:09 +01:00
fp-print-private.h cleanup: Use FPI prefix for all the internal enum types 2019-12-17 14:38:19 +01:00
fp-print.c print: Return sunk reference from deserialize function 2020-12-09 11:47:33 +01:00
fp-print.h fp-print: Delete not-defined anymore functions 2020-12-09 10:26:58 +01:00
fpi-assembling.c fpi-assembling: Fix offsets to be relative to the previous frame 2020-01-02 13:46:46 +01:00
fpi-assembling.h fpi-assemping: Do not include unneeded headers and do not use absolute search paths 2021-03-03 19:40:49 +01:00
fpi-byte-reader.c lib: Add byte data reader/writer helpers 2019-11-20 13:53:45 +01:00
fpi-byte-reader.h cleanup: Use #pragma once everywhere 2019-12-17 14:38:19 +01:00
fpi-byte-utils.h cleanup: Use #pragma once everywhere 2019-12-17 14:38:19 +01:00
fpi-byte-writer.c lib: Add byte data reader/writer helpers 2019-11-20 13:53:45 +01:00
fpi-byte-writer.h cleanup: Use #pragma once everywhere 2019-12-17 14:38:19 +01:00
fpi-compat.h compat: Add GFlagsClass autopointer 2020-12-08 13:27:50 +01:00
fpi-context.h compat: Add compatibility defines for older GLib 2020-02-10 11:40:40 +01:00
fpi-device.c device: Add missing CLEAR_STORAGE to fpi_device_action_error 2021-05-14 15:28:54 +00:00
fpi-device.h fp-device: Add fp_device_clear_storage and clear_storage vfunc 2021-04-29 11:49:27 +00:00
fpi-image-device.c fpi-image-device: Allow overriding of enroll stages 2021-04-06 18:51:50 -04:00
fpi-image-device.h image-device: Redefine internal states and valid transitions 2020-11-04 14:13:00 +01:00
fpi-image.c libfprint: Fix a few issues with the documentation 2020-05-11 20:51:29 +02:00
fpi-image.h lib: re-add partial image flag 2020-06-04 09:34:31 -07:00
fpi-log.h cleanup: Use #pragma once everywhere 2019-12-17 14:38:19 +01:00
fpi-minutiae.h cleanup: Don't make nbis depend on libfprint built-sources 2019-12-04 18:50:46 +01:00
fpi-print.c fpi-print: Improve debug on print score 2020-06-16 22:49:18 +02:00
fpi-print.h print: Add helpers to generate a unique print ID containing metadata 2020-04-20 16:43:52 +02:00
fpi-spi-transfer.c spi-transfer: Keep CS asserted during long transfers 2021-06-21 22:24:58 +00:00
fpi-spi-transfer.h spi-transfer: Add SPI transfer helper routines 2021-04-08 16:52:20 +00:00
fpi-ssm.c ssm: Remove delayed action GCancellable integration 2021-04-28 22:16:37 +02:00
fpi-ssm.h ssm: Remove delayed action GCancellable integration 2021-04-28 22:16:37 +02:00
fpi-usb-transfer.c usb-transfer: Use fpi_device_add_timeout instead of g_idle_add 2021-04-28 22:16:37 +02:00
fpi-usb-transfer.h usb: Annotate access to USB buffers 2020-10-07 13:22:18 +02:00
fprint-list-supported-devices.c fprint-list: Fix typos in Copyright statements 2020-04-14 13:51:02 +02:00
fprint-list-udev-hwdb.c synaptics: Remove PID 0xE9 2021-06-17 08:00:47 +00:00
fprint.h Uncrustify everything except for nbis 2019-11-20 20:38:06 +01:00
libfprint.ver fprint: Move drivers to private internal library 2019-12-12 19:03:57 +01:00
meson.build Add nb1010 driver 2021-04-12 20:24:13 +02:00