linux-kernel - [PATCH] drivers:regulator:fan53555:add new device chip id

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Message-Id: <20240725093748.2603941-1-wmx129674@126.com>
Date: Thu, 25 Jul 2024 17:37:48 +0800
From: wmx129674@....com
To: lgirdwood@...il.com,
	broonie@...nel.org
Cc: linux-kernel@...r.kernel.org,
	ARC-MX <wmx129674@....com>
Subject: [PATCH] drivers:regulator:fan53555:add new device chip id

From: ARC-MX <wmx129674@....com>

drivers:regulator:fan53555

When I use fan53555, I see an error:

 FAN53555-regulator 0-0060: Chip ID 0 with rev 12 not supported!

So I fixed this bug

Signed-off-by: ARC-MX <wmx129674@....com>
---
 drivers/regulator/fan53555.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
index 48f312167e53..34713d78b40e 100644
--- a/drivers/regulator/fan53555.c
+++ b/drivers/regulator/fan53555.c
@@ -113,6 +113,7 @@ enum {
 enum {
 	FAN53555_CHIP_REV_00 = 0x3,
 	FAN53555_CHIP_REV_13 = 0xf,
+	FAN53555_CHIP_REV_23 = 0xc,
 };
 
 enum {
@@ -301,6 +302,10 @@ static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)
 			di->vsel_min = 800000;
 			di->vsel_step = 10000;
 			break;
+		case FAN53555_CHIP_REV_23:
+			di->vsel_min = 600000;
+			di->vsel_step = 12500;
+			break;
 		default:
 			dev_err(di->dev,
 				"Chip ID %d with rev %d not supported!\n",
-- 
2.25.1