regulator: max20411: Fix off-by-one for n_voltages setting

Otherwise regulator_list_voltage returns -EINVAL for MAX20411_MAX_SEL.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20230211150019.1545542-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/max20411-regulator.c b/drivers/regulator/max20411-regulator.c
index e75d160..83dacb4 100644 (file)
--- a/drivers/regulator/max20411-regulator.c
+++ b/drivers/regulator/max20411-regulator.c
@@ -85,7 +85,7 @@ static const struct regulator_desc max20411_desc = {
        .min_uV = MAX20411_BASE_UV,
        .uV_step = MAX20411_UV_STEP,
        .linear_min_sel = MAX20411_MIN_SEL,
-       .n_voltages = MAX20411_MAX_SEL,
+       .n_voltages = MAX20411_MAX_SEL + 1,
 
        .vsel_reg = MAX20411_VID_OFFSET,
        .vsel_mask = MAX20411_VID_MASK,