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path: root/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
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Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_wx.c')
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_wx.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
index 7b665e2386a..d6d9413d7f2 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
@@ -105,18 +105,24 @@ static int bcm43xx_wx_set_channelfreq(struct net_device *net_dev,
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
unsigned long flags;
u8 channel;
+ s8 expon;
int freq;
int err = -EINVAL;
mutex_lock(&bcm->mutex);
spin_lock_irqsave(&bcm->irq_lock, flags);
- if ((data->freq.m >= 0) && (data->freq.m <= 1000)) {
+ if ((data->freq.e == 0) &&
+ (data->freq.m >= 0) && (data->freq.m <= 1000)) {
channel = data->freq.m;
freq = bcm43xx_channel_to_freq(bcm, channel);
} else {
- channel = bcm43xx_freq_to_channel(bcm, data->freq.m);
freq = data->freq.m;
+ expon = 6 - data->freq.e;
+ while (--expon >= 0) /* scale down the frequency to MHz */
+ freq /= 10;
+ assert(freq > 1000);
+ channel = bcm43xx_freq_to_channel(bcm, freq);
}
if (!ieee80211_is_valid_channel(bcm->ieee, channel))
goto out_unlock;