From 2757269a7defe96e871be795b680b602efb877ce Mon Sep 17 00:00:00 2001
From: Armin Wolf <W_Armin@gmx.de>
Date: Thu, 29 Jul 2021 00:15:57 +0200
Subject: [PATCH] hwmon: (dell-smm-hwmon) Fix fan mutliplier detection for 3rd
fan
Git-commit: 2757269a7defe96e871be795b680b602efb877ce
References: git-fixes
Patch-mainline: v5.15-rc1
There are up to three fans, but the detection omits the 3rd one.
Fix that by using DELL_SMM_NO_FANS.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Fixes: 747bc8b063ae (hwmon: (dell-smm) Detect fan with index=2)
Link: https://lore.kernel.org/r/20210728221557.8891-7-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
drivers/hwmon/dell-smm-hwmon.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index aaf864dbe53a..206418405440 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -1263,7 +1263,7 @@ static int __init dell_smm_probe(struct platform_device *pdev)
* Autodetect fan multiplier based on nominal rpm
* If fan reports rpm value too high then set multiplier to 1
*/
- for (fan = 0; fan < 2; ++fan) {
+ for (fan = 0; fan < DELL_SMM_NO_FANS; ++fan) {
ret = i8k_get_fan_nominal_speed(data, fan, data->i8k_fan_max);
if (ret < 0)
continue;
--
2.26.2