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authorArmin Wolf <W_Armin@gmx.de>2022-07-27 10:30:04 +0200
committerGuenter Roeck <linux@roeck-us.net>2022-07-27 05:59:33 -0700
commit41cd4373274239a79a5a3e1127607225908a0fbb (patch)
treee3bcda7a68b399206be5cf7724c1972fc0b19e04 /Documentation/hwmon
parent38ac173b0ef85a66bfd6d03ce74d4afe37f7f00c (diff)
downloadlinux-41cd4373274239a79a5a3e1127607225908a0fbb.tar.bz2
hwmon: (dell-smm) Improve documentation
Notify users of this driver that each pwmX attribute controls fan number X, meaning that probing of pwm channels is unnecessary. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20220727083004.5684-1-W_Armin@gmx.de Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
-rw-r--r--Documentation/hwmon/dell-smm-hwmon.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/hwmon/dell-smm-hwmon.rst b/Documentation/hwmon/dell-smm-hwmon.rst
index e5d85e40972c..d8f1d6859b96 100644
--- a/Documentation/hwmon/dell-smm-hwmon.rst
+++ b/Documentation/hwmon/dell-smm-hwmon.rst
@@ -46,6 +46,9 @@ temp[1-10]_input RO Temperature reading in milli-degrees
temp[1-10]_label RO Temperature sensor label.
=============================== ======= =======================================
+Due to the nature of the SMM interface, each pwmX attribute controls
+fan number X.
+
Disabling automatic BIOS fan control
------------------------------------