linux-kernel - [PATCH 07/10] extcon: arizona: Remove excessive WARN

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Date:   Mon, 9 Dec 2019 11:09:13 +0000
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     <cw00.choi@...sung.com>
CC:     <myungjoo.ham@...sung.com>, <patches@...nsource.cirrus.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 07/10] extcon: arizona: Remove excessive WARN_ON

A WARN_ON is very strong for simply finding a button that is out of
range, downgrade this to a simple error message in the log.

Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
---
 drivers/extcon/extcon-arizona.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index e7c198e798e27..3f7ced35e0b86 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -960,14 +960,13 @@ static void arizona_micd_detect(struct work_struct *work)
 				input_report_key(info->input,
 						 info->micd_ranges[i].key, 0);
 
-			WARN_ON(!lvl);
-			WARN_ON(ffs(lvl) - 1 >= info->num_micd_ranges);
 			if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) {
 				key = info->micd_ranges[ffs(lvl) - 1].key;
 				input_report_key(info->input, key, 1);
 				input_sync(info->input);
+			} else {
+				dev_err(arizona->dev, "Button out of range\n");
 			}
-
 		} else if (info->detecting) {
 			dev_dbg(arizona->dev, "Headphone detected\n");
 			info->detecting = false;
-- 
2.11.0