From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 24 Sep 2014 09:24:54 +0000 (+0200)
Subject: rt2800: correct BBP1_TX_POWER_CTRL mask
X-Git-Tag: v3.4.106~155
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbb7a273be2cd8ea01fdb8c542c120ab2ffef6ad;p=thirdparty%2Fkernel%2Fstable.git

rt2800: correct BBP1_TX_POWER_CTRL mask

commit 01f7feeaf4528bec83798316b3c811701bac5d3e upstream.

Two bits control TX power on BBP_R1 register. Correct the mask,
otherwise we clear additional bit on BBP_R1 register, what can have
unknown, possible negative effect.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Zefan Li <lizefan@huawei.com>
---

diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index 063bfa8b91f4d..9105493445bd1 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -1751,7 +1751,7 @@ struct mac_iveiv_entry {
  * 2 - drop tx power by 12dBm,
  * 3 - increase tx power by 6dBm
  */
-#define BBP1_TX_POWER_CTRL		FIELD8(0x07)
+#define BBP1_TX_POWER_CTRL		FIELD8(0x03)
 #define BBP1_TX_ANTENNA			FIELD8(0x18)
 
 /*