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authorIvo van Doorn <ivdoorn@gmail.com>2008-02-25 23:15:08 +0100
committerJohn W. Linville <linville@tuxdriver.com>2008-02-28 09:13:09 -0500
commit05253c93feb40901d80a0d6f239a0bc78860c679 (patch)
treeb83242d123469de89bdc3f22f2f2232f4e482586 /drivers
parent61667d8d5bf3c3ee09474069eaf4b93a4755ff8b (diff)
downloadlinux-05253c93feb40901d80a0d6f239a0bc78860c679.tar.bz2
rt2x00: Don't switch to antenna with low rssi
When rssi_a > rssi_b is true and the current antenna was already antenna A, then rt2x00 incorrectly jumped to antenna B. Also don't configure the antenna when there has been no change in the antenna setup. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00config.c4
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c18
2 files changed, 9 insertions, 13 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index 0d57d7f67837..07adc576db49 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -97,6 +97,10 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
libconf.ant.rx = rx;
libconf.ant.tx = tx;
+ if (rx == rt2x00dev->link.ant.active.rx &&
+ tx == rt2x00dev->link.ant.active.tx)
+ return;
+
/*
* Antenna setup changes require the RX to be disabled,
* else the changes will be ignored by the device.
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 00f5f0d49e1d..7294c75272d0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -260,19 +260,11 @@ static void rt2x00lib_evaluate_antenna_sample(struct rt2x00_dev *rt2x00dev)
if (sample_a == sample_b)
return;
- if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) {
- if (sample_a > sample_b && rx == ANTENNA_B)
- rx = ANTENNA_A;
- else if (rx == ANTENNA_A)
- rx = ANTENNA_B;
- }
+ if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY)
+ rx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
- if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY) {
- if (sample_a > sample_b && tx == ANTENNA_B)
- tx = ANTENNA_A;
- else if (tx == ANTENNA_A)
- tx = ANTENNA_B;
- }
+ if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)
+ tx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
rt2x00lib_config_antenna(rt2x00dev, rx, tx);
}
@@ -327,7 +319,7 @@ static void rt2x00lib_evaluate_antenna(struct rt2x00_dev *rt2x00dev)
if (!(rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) &&
!(rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)) {
- rt2x00dev->link.ant.flags &= ~ANTENNA_MODE_SAMPLE;
+ rt2x00dev->link.ant.flags = 0;
return;
}