linux-kernel - [PATCH] regulator: lochnagar: Add additional VDDCORE range

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Date:   Fri, 4 Sep 2020 13:25:06 +0100
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     <broonie@...nel.org>
CC:     <lgirdwood@...il.com>, <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>
Subject: [PATCH] regulator: lochnagar: Add additional VDDCORE range

In the case of an unrecognised mini-card the Lochnagar will not
initialise the VDDCORE voltage register leading to a value outside of the
current range. Add an additional range to cover these values, initially
this wasn't done since they are duplicates of the existing minimum
value.

Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
---
 drivers/regulator/lochnagar-regulator.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/regulator/lochnagar-regulator.c b/drivers/regulator/lochnagar-regulator.c
index 5ea3e41416849..cb71fa5f43c3e 100644
--- a/drivers/regulator/lochnagar-regulator.c
+++ b/drivers/regulator/lochnagar-regulator.c
@@ -98,6 +98,7 @@ static const struct regulator_ops lochnagar_vddcore_ops = {
 };
 
 static const struct linear_range lochnagar_vddcore_ranges[] = {
+	REGULATOR_LINEAR_RANGE(600000, 0,    0x7, 0),
 	REGULATOR_LINEAR_RANGE(600000, 0x8, 0x41, 12500),
 };
 
-- 
2.11.0