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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2007-07-18 23:45:31 -0300
committerLen Brown <len.brown@intel.com>2007-07-21 23:38:08 -0400
commit74941a69afcc06722685d492784414ec042ab492 (patch)
tree6f97b54fc18db01504cc46dc72d7f28d7d91d5a7 /fs
parent9b010de59cb6dcab7e167dd2a0fa5d3b31447fea (diff)
ACPI: thinkpad-acpi: export to sysfs the state of the radio slider switch
Some ThinkPad models, notably the T60 and X60, have a slider switch to enable and disable the radios. The switch has the capability of force-disabling the radios in hardware on most models, and it is supposed to affect all radios (WLAN, WWAN, BlueTooth). Export the switch state as a sysfs attribute, on ThinkPads where it is available. Thanks to Henning Schild for asking for this feature, and for tracking down the EC register that holds the radio switch state. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Henning Schild <henning@wh9.tu-dresden.de> Signed-off-by: Len Brown <len.brown@intel.com>
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