linux-kernel - [PATCH 1/4] regulator: wm831x-isink: Select maximum current in specific range

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Message-Id: <20190312163357.27785-1-axel.lin@ingics.com>
Date:   Wed, 13 Mar 2019 00:33:54 +0800
From:   Axel Lin <axel.lin@...ics.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Charles Keepax <ckeepax@...nsource.cirrus.com>,
        patches@...nsource.cirrus.com, Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org, Axel Lin <axel.lin@...ics.com>
Subject: [PATCH 1/4] regulator: wm831x-isink: Select maximum current in specific range

.set_current_limit callback should select the current closest to max_uA.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/wm831x-isink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index 6dd891d7eee3..676a4701c986 100644
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -99,7 +99,7 @@ static int wm831x_isink_set_current(struct regulator_dev *rdev,
 	struct wm831x *wm831x = isink->wm831x;
 	int ret, i;
 
-	for (i = 0; i < ARRAY_SIZE(wm831x_isinkv_values); i++) {
+	for (i = ARRAY_SIZE(wm831x_isinkv_values) - 1; i >= 0; i--) {
 		int val = wm831x_isinkv_values[i];
 		if (min_uA <= val && val <= max_uA) {
 			ret = wm831x_set_bits(wm831x, isink->reg,
-- 
2.17.1