From: Axel Lin <axel.lin@xxxxxxxxxx> [ Upstream commit 2e11737a772b95c6587df73f216eec1762431432 ] According to the datasheet: REGISTER DETAILS − 0x02 BUCK, BUCK_OUT is BIT0 ~ BIT7. So vsel_mask for FAN53880_BUCK should be 0xFF. Fixes: e6dea51e2d41 ("regulator: fan53880: Add initial support") Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210607142907.1599905-1-axel.lin@xxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/regulator/fan53880.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/fan53880.c b/drivers/regulator/fan53880.c index 1684faf82ed2..94f02f3099dd 100644 --- a/drivers/regulator/fan53880.c +++ b/drivers/regulator/fan53880.c @@ -79,7 +79,7 @@ static const struct regulator_desc fan53880_regulators[] = { .n_linear_ranges = 2, .n_voltages = 0xf8, .vsel_reg = FAN53880_BUCKVOUT, - .vsel_mask = 0x7f, + .vsel_mask = 0xff, .enable_reg = FAN53880_ENABLE, .enable_mask = 0x10, .enable_time = 480, -- 2.30.2