From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 21 Aug 2009 20:34:19 +0000 (-0700)
Subject: iwlwifi: show current tx power
X-Git-Tag: v2.6.32-rc1~703^2~275^2~73
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f204b2487e5503ca4a9f3e69dcd63f6af979aaac;p=pandora-kernel.git

iwlwifi: show current tx power

debugFs file show current tx power for all the transmit chains

Adding "tx_power" file in /sys/kernal/debug/ieee80211/phy0/iwlagn/debug
to display current tx power for all the active chains in 1/2 dB step.

Show tx power information "Not available" if uCode can not provide the
information or interface is down.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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