[PATCH v4 0/9] staging: iio: ad7780: move out of staging

[Renato Lui Geh]

This series of patches contains the following:
- Adds user input for the 'gain' and 'filter' GPIO pins for the ad778x
  family chips;
- Filter reading for the ad778x;
- Sets pattern macro values and mask for PATTERN status bits;
- Adds ID values for the ad7170, ad7171, ad7780 and ad7781 for ID
  status bits checking;
- Moves regulator initialization to after GPIO init to maintain
  consistency between probe and remove;
- Copyright edits, adding SPDX identifier and new copyright holder;
- Moves the ad7780 driver out of staging to the mainline;
- Adds device tree binding for the ad7780 driver.

Renato Lui Geh (9):
 staging: iio: ad7780: add gain & filter gpio support
 staging: iio: ad7780: add filter reading to ad778x
 staging: iio: ad7780: set pattern values and masks directly
 staging:iio:ad7780: add chip ID values and mask
 staging: iio: ad7780: move regulator to after GPIO init
 staging: iio: ad7780: add SPDX identifier
 staging: iio: ad7780: add new copyright holder
 staging: iio: ad7780: moving ad7780 out of staging
 staging: iio: ad7780: add device tree binding

Changelog:
*v3
- SPDX and regulator init as patches
- Renamed filter to odr and ad778x_filter to ad778x_odr_avail
- Removed unnecessary regulator disabling
- Removed unnecessary AD_SD_CHANNEL macro
- Changed unsigned int to unsigned long long to avoid overflow
*v4
- Split gain & filter patch into two, with the new commit adding only
  filter reading
- Changed pattern values to direct values, and added pattern mask
- Added ID values and mask
- Added new copyright holder
- Added device tree binding to the ad7780 driver

.../bindings/iio/adc/adi,ad7780.txt           |  48 +++
drivers/iio/adc/Kconfig                       |  12 +
drivers/iio/adc/Makefile                      |   1 +
drivers/iio/adc/ad7780.c                      | 365 ++++++++++++++++++
drivers/staging/iio/adc/Kconfig               |  13 -
drivers/staging/iio/adc/Makefile              |   1 -
drivers/staging/iio/adc/ad7780.c              | 277 -------------
7 files changed, 426 insertions(+), 291 deletions(-)
create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7780.txt
create mode 100644 drivers/iio/adc/ad7780.c
delete mode 100644 drivers/staging/iio/adc/ad7780.c

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2.21.0