From 442fbd3fa6c678305a5c618f6588f7e9d4398e54 Mon Sep 17 00:00:00 2001
From: David Collins <collinsd@codeaurora.org>
Date: Fri, 26 Jun 2020 14:22:28 -0700
Subject: [PATCH] regulator: rpmh-regulator: add support for debugfs control

Add support for debugfs control of a regulator's state.  This
is useful for testing and debugging.

Change-Id: I26da17c0cf45b942680eb4813d8cc7d0b58e6d29
Signed-off-by: David Collins <collinsd@codeaurora.org>
---
 drivers/regulator/rpmh-regulator.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/regulator/rpmh-regulator.c b/drivers/regulator/rpmh-regulator.c
index 5bf670e9b313..6d50b6e577f3 100644
--- a/drivers/regulator/rpmh-regulator.c
+++ b/drivers/regulator/rpmh-regulator.c
@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/regulator/debug-regulator.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
 #include <linux/regulator/of_regulator.h>
@@ -1814,6 +1815,11 @@ static int rpmh_regulator_init_vreg(struct rpmh_vreg *vreg)
 		vreg_err(vreg, "failed to register proxy consumer, rc=%d\n",
 			rc);
 
+	rc = devm_regulator_debug_register(dev, vreg->rdev);
+	if (rc)
+		vreg_err(vreg, "failed to register debug regulator, rc=%d\n",
+			rc);
+
 	vreg_debug(vreg, "successfully registered; set=%s\n",
 		vreg->set_active && vreg->set_sleep
 			? "active + sleep"