Implement the direct_reg_access callback in the axi-dac backend driver. On the ad9739a frontend, call iio_backend_debugfs_add() to add the backend debugfs interface. --- Nuno Sa (2): iio: dac: adi-axi-dac: support debugfs direct_reg_access iio: dac: ad9739a: add backend debugfs interface drivers/iio/dac/ad9739a.c | 8 +++++++- drivers/iio/dac/adi-axi-dac.c | 12 ++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-) --- base-commit: 593737c18ae789dc6e4b493510a0c00977972e2e change-id: 20240806-dev-backend-dac-direct-reg-access-03f2d9036ae2 -- Thanks! - Nuno Sá