linux-kernel - [PATCH 098/105] iwlwifi: dvm: fix chain noise calibration

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Message-Id: <1372445527-24414-99-git-send-email-kamal@canonical.com>
Date:	Fri, 28 Jun 2013 11:52:00 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Nikolay Martynov <mar.kolya@...il.com>,
	Johannes Berg <johannes.berg@...el.com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 098/105] iwlwifi: dvm: fix chain noise calibration

3.8.13.4 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nikolay Martynov <mar.kolya@...il.com>

commit b28b6dfe580ab1ab8bf08b908fd69e299b877103 upstream.

First step of chain noise calibration process had disable flag
check inverted. Chain noise calibration never started because
of this.

Tested on intel 5300 with two antennas attached. The driver
correctly disabled one chain.

Signed-off-by: Nikolay Martynov <mar.kolya@...il.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@...el.com>
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/net/wireless/iwlwifi/dvm/rxon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c
index 9a891e6..c799635 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
@@ -1377,7 +1377,7 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
 	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
 	int ret;
 
-	if (!(priv->calib_disabled & IWL_CHAIN_NOISE_CALIB_DISABLED))
+	if (priv->calib_disabled & IWL_CHAIN_NOISE_CALIB_DISABLED)
 		return;
 
 	if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
-- 
1.8.1.2

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