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ath9k: fix typo in US tx power reduction fix

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Use max_t instead of min_t to prevent the value from going below zero

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2017-07-25 09:13:24 +02:00
parent 9e64874fb2
commit 35868234e7
1 changed files with 1 additions and 1 deletions
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package/kernel/mac80211/patches/330-ath9k-adjust-tx-power-reduction-for-US-regulatory-do.patch
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@ -16,7 +16,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ /* FCC allows maximum antenna gain of 3 dBi */
+ if (reg->region == NL80211_DFS_FCC)
+ ant_reduction = min_t(int, ant_reduction - 6, 0);
+ ant_reduction = max_t(int, ant_reduction - 6, 0);
+
ah->eep_ops->set_txpower(ah, chan, ctl, ant_reduction, new_pwr, test);
}