Messages in this thread Patch in this message | | | From | Antoniu Miclaus <> | Subject | [PATCH] iio: admv1013: add mixer_vgate corner cases | Date | Mon, 7 Aug 2023 17:38:05 +0300 |
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Include the corner cases in the computation of the MIXER_VGATE register value.
According to the datasheet: The MIXER_VGATE values follows the VCM such as, that for a 0V to 1.8V VCM, MIXER_VGATE = 23.89 VCM + 81, and for a > 1.8V to 2.6V VCM, MIXER_VGATE = 23.75 VCM + 1.25.
Fixes: da35a7b526d9 ("iio: frequency: admv1013: add support for ADMV1013") Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> --- drivers/iio/frequency/admv1013.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1013.c index 9bf8337806fc..df29f1216b9a 100644 --- a/drivers/iio/frequency/admv1013.c +++ b/drivers/iio/frequency/admv1013.c @@ -348,9 +348,9 @@ static int admv1013_update_mixer_vgate(struct admv1013_state *st) vcm = regulator_get_voltage(st->reg); - if (vcm < 1800000) + if (vcm <= 1800000) mixer_vgate = (2389 * vcm / 1000000 + 8100) / 100; - else if (vcm > 1800000 && vcm < 2600000) + else if (vcm > 1800000 && vcm <= 2600000) mixer_vgate = (2375 * vcm / 1000000 + 125) / 100; else return -EINVAL; -- 2.41.0
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