libertas: convert CMD_802_11_RF_TX_POWER to a direct command

And while we're at it, grab min/max TX power from the firmware and use
that to validate incoming TX power requests from WEXT.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index f5bb40c54d85..560d4d3db66b 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -253,7 +253,9 @@ struct lbs_private {
         u32 connect_status;
         u32 mesh_connect_status;
         u16 regioncode;
-        u16 txpowerlevel;
+        s16 txpower_cur;
+        s16 txpower_min;
+        s16 txpower_max;
 
         /** POWER MANAGEMENT AND PnP SUPPORT */
         u8 surpriseremoved;