Commit c6515d2f authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
Browse files

regulator: qcom_rpm: Don't update vreg->uV/mV if rpm_reg_write fails 



Ensure get_voltage return correct voltage if set_voltage fails.

Signed-off-by: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 97bf6af1

drivers/regulator/qcom_rpm-regulator.c

+8 −4
Original line number Diff line number Diff line
@@ -227,9 +227,11 @@ static int rpm_reg_set_mV_sel(struct regulator_dev *rdev, 
		return uV;



	mutex_lock(&vreg->lock);

	vreg->uV = uV;

	if (vreg->is_enabled)

		ret = rpm_reg_write(vreg, req, vreg->uV / 1000);

		ret = rpm_reg_write(vreg, req, uV / 1000);



	if (!ret)

		vreg->uV = uV;

	mutex_unlock(&vreg->lock);



	return ret;
@@ -252,9 +254,11 @@ static int rpm_reg_set_uV_sel(struct regulator_dev *rdev, 
		return uV;



	mutex_lock(&vreg->lock);

	vreg->uV = uV;

	if (vreg->is_enabled)

		ret = rpm_reg_write(vreg, req, vreg->uV);

		ret = rpm_reg_write(vreg, req, uV);



	if (!ret)

		vreg->uV = uV;

	mutex_unlock(&vreg->lock);



	return ret;

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