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authorKurt Borja <kuurtb@gmail.com>2025-03-04 00:52:50 -0500
committerGuenter Roeck <linux@roeck-us.net>2025-03-11 07:11:42 -0700
commitdbcfcb239b3b452ef8782842c36fb17dd1b9092f (patch)
tree20504d502f39d28fdaa820860976a582b0d2ad72 /Documentation/hwmon
parent7953605976f55acd4f297d310e6b0b2944f4bdc8 (diff)
downloadlinux-dbcfcb239b3b452ef8782842c36fb17dd1b9092f.tar.gz
hwmon: (dell-smm) Increment the number of fans
Some Alienware laptops that support the SMM interface, may have up to 4 fans. Tested on an Alienware x15 r1. Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250304055249.51940-2-kuurtb@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
-rw-r--r--Documentation/hwmon/dell-smm-hwmon.rst14
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/hwmon/dell-smm-hwmon.rst b/Documentation/hwmon/dell-smm-hwmon.rst
index 74905675d71f99..5a4edb6565cf95 100644
--- a/Documentation/hwmon/dell-smm-hwmon.rst
+++ b/Documentation/hwmon/dell-smm-hwmon.rst
@@ -32,12 +32,12 @@ Temperature sensors and fans can be queried and set via the standard
=============================== ======= =======================================
Name Perm Description
=============================== ======= =======================================
-fan[1-3]_input RO Fan speed in RPM.
-fan[1-3]_label RO Fan label.
-fan[1-3]_min RO Minimal Fan speed in RPM
-fan[1-3]_max RO Maximal Fan speed in RPM
-fan[1-3]_target RO Expected Fan speed in RPM
-pwm[1-3] RW Control the fan PWM duty-cycle.
+fan[1-4]_input RO Fan speed in RPM.
+fan[1-4]_label RO Fan label.
+fan[1-4]_min RO Minimal Fan speed in RPM
+fan[1-4]_max RO Maximal Fan speed in RPM
+fan[1-4]_target RO Expected Fan speed in RPM
+pwm[1-4] RW Control the fan PWM duty-cycle.
pwm1_enable WO Enable or disable automatic BIOS fan
control (not supported on all laptops,
see below for details).
@@ -93,7 +93,7 @@ Again, when you find new codes, we'd be happy to have your patches!
---------------------------
The driver also exports the fans as thermal cooling devices with
-``type`` set to ``dell-smm-fan[1-3]``. This allows for easy fan control
+``type`` set to ``dell-smm-fan[1-4]``. This allows for easy fan control
using one of the thermal governors.
Module parameters