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| author | Uwe Kleine-König <u.kleine-koenig@baylibre.com> | 2025-03-17 12:52:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-19 15:40:30 +0200 |
| commit | 7fc479fb5ad219306dad9190131188fb2dcdea00 (patch) | |
| tree | 71295074ba6f1922ec4c6df4ccd9b6f6d725a9bd /drivers/fpga/tests/fpga-bridge-test.c | |
| parent | e13e663f884ada40128671f7e61dae2eb75fdb55 (diff) | |
iio: adc: ad7124: Fix 3dB filter frequency reading
[ Upstream commit 8712e4986e7ce42a14c762c4c350f290989986a5 ]
The sinc4 filter has a factor 0.23 between Output Data Rate and f_{3dB}
and for sinc3 the factor is 0.272 according to the data sheets for
ad7124-4 (Rev. E.) and ad7124-8 (Rev. F).
Fixes: cef2760954cf ("iio: adc: ad7124: add 3db filter")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt@analog.com>
Link: https://patch.msgid.link/20250317115247.3735016-6-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/fpga/tests/fpga-bridge-test.c')
0 files changed, 0 insertions, 0 deletions