From: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Date: Sat, 26 Sep 2020 21:32:40 +0000 (+0200)
Subject: regulator: print state at boot
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=99ad5f6ec0cd776e34295ec9fc82bfb004c3fad5;p=linux.git

regulator: print state at boot

Make the initial state of the regulator shown when debugging.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Link: https://lore.kernel.org/r/53c4f3d394d68f0989174f89e3b0882cebbbd787.1601155770.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 6ef99df1a7d23..42cffbe84080b 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1111,10 +1111,15 @@ static void print_constraints(struct regulator_dev *rdev)
 	if (constraints->valid_modes_mask & REGULATOR_MODE_IDLE)
 		count += scnprintf(buf + count, len - count, "idle ");
 	if (constraints->valid_modes_mask & REGULATOR_MODE_STANDBY)
-		count += scnprintf(buf + count, len - count, "standby");
+		count += scnprintf(buf + count, len - count, "standby ");
 
 	if (!count)
-		scnprintf(buf, len, "no parameters");
+		count = scnprintf(buf, len, "no parameters");
+	else
+		--count;
+
+	count += scnprintf(buf + count, len - count, ", %s",
+		_regulator_is_enabled(rdev) ? "enabled" : "disabled");
 
 	rdev_dbg(rdev, "%s\n", buf);