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Commit 8f031b48 authored by Mark Brown's avatar Mark Brown Committed by Liam Girdwood
Browse files

regulator: Display actual settings with constraints 



When voltage or current constraints are either missing or specify
a range display the actual setting along with the constraints if
we can. This can aid debugging of configuration problems.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent af5866c9

drivers/regulator/core.c

+31 −13
Original line number Original line Diff line number Diff line
@@ -641,25 +641,43 @@ static void print_constraints(struct regulator_dev *rdev) 
{

{

	struct regulation_constraints *constraints = rdev->constraints;

	struct regulation_constraints *constraints = rdev->constraints;

	char buf[80];

	char buf[80];

	int count;

	int count = 0;

	int ret;





	if (rdev->desc->type == REGULATOR_VOLTAGE) {

	if (constraints->min_uV && constraints->max_uV) {

		if (constraints->min_uV == constraints->max_uV)

		if (constraints->min_uV == constraints->max_uV)

			count = sprintf(buf, "%d mV ",

			count += sprintf(buf + count, "%d mV ",

					 constraints->min_uV / 1000);

					 constraints->min_uV / 1000);

		else

		else

			count = sprintf(buf, "%d <--> %d mV ",

			count += sprintf(buf + count, "%d <--> %d mV ",

					 constraints->min_uV / 1000,

					 constraints->min_uV / 1000,

					 constraints->max_uV / 1000);

					 constraints->max_uV / 1000);

	} else {

	}



	if (!constraints->min_uV ||

	    constraints->min_uV != constraints->max_uV) {

		ret = _regulator_get_voltage(rdev);

		if (ret > 0)

			count += sprintf(buf + count, "at %d mV ", ret / 1000);

	}



	if (constraints->min_uA && constraints->max_uA) {

		if (constraints->min_uA == constraints->max_uA)

		if (constraints->min_uA == constraints->max_uA)

			count = sprintf(buf, "%d mA ",

			count += sprintf(buf + count, "%d mA ",

					 constraints->min_uA / 1000);

					 constraints->min_uA / 1000);

		else

		else

			count = sprintf(buf, "%d <--> %d mA ",

			count += sprintf(buf + count, "%d <--> %d mA ",

					 constraints->min_uA / 1000,

					 constraints->min_uA / 1000,

					 constraints->max_uA / 1000);

					 constraints->max_uA / 1000);

	}

	}



	if (!constraints->min_uA ||

	    constraints->min_uA != constraints->max_uA) {

		ret = _regulator_get_current_limit(rdev);

		if (ret > 0)

			count += sprintf(buf + count, "at %d uA ", ret / 1000);

	}



	if (constraints->valid_modes_mask & REGULATOR_MODE_FAST)

	if (constraints->valid_modes_mask & REGULATOR_MODE_FAST)

		count += sprintf(buf + count, "fast ");

		count += sprintf(buf + count, "fast ");

	if (constraints->valid_modes_mask & REGULATOR_MODE_NORMAL)

	if (constraints->valid_modes_mask & REGULATOR_MODE_NORMAL)