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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2009-01-11 03:01:03 -0200
committerLen Brown <len.brown@intel.com>2009-01-15 13:36:51 -0500
commit0045c0aa7d5e787f78938e6a10927b8a516f0b83 (patch)
tree48f2ac334391e800616fb6c4ae30a4d01db565cd /Documentation/laptops/thinkpad-acpi.txt
parent90d9d3c79c44bcf95bc487e9bbceaff2de370310 (diff)
downloadop-kernel-dev-0045c0aa7d5e787f78938e6a10927b8a516f0b83.zip
op-kernel-dev-0045c0aa7d5e787f78938e6a10927b8a516f0b83.tar.gz
ACPI: thinkpad-acpi: add UWB radio support
Add rfkill support for USB UWB radio devices on very recent ThinkPad laptop models. The new subdriver is moslty a trimmed down copy of the wwan subdriver. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/laptops/thinkpad-acpi.txt')
-rw-r--r--Documentation/laptops/thinkpad-acpi.txt18
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index ddc371e..91c0001 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -1413,6 +1413,24 @@ Sysfs notes:
rfkill controller switch "tpacpi_wwan_sw": refer to
Documentation/rfkill.txt for details.
+EXPERIMENTAL: UWB
+-----------------
+
+This feature is marked EXPERIMENTAL because it has not been extensively
+tested and validated in various ThinkPad models yet. The feature may not
+work as expected. USE WITH CAUTION! To use this feature, you need to supply
+the experimental=1 parameter when loading the module.
+
+sysfs rfkill class: switch "tpacpi_uwb_sw"
+
+This feature exports an rfkill controller for the UWB device, if one is
+present and enabled in the BIOS.
+
+Sysfs notes:
+
+ rfkill controller switch "tpacpi_uwb_sw": refer to
+ Documentation/rfkill.txt for details.
+
Multiple Commands, Module Parameters
------------------------------------
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