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ath5k: allow setting txpower to 0 

As a holdover from earlier code when we used to set
the power limit to '0' after a reset to configure the
default transmit power, ath5k interprets txpower=0 as
12.5 dBm.  Fix that by just passing 0 through.

This fixes http://bugzilla.kernel.org/show_bug.cgi?id=14567

Cc: stable@kernel.org
Reported-by: Daniel Folkers <daniel.folkers@task24.nl>
Tested-by: Daniel Folkers <daniel.folkers@task24.nl>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bob Copeland 2009-11-16 08:30:29 -05:00 committed by John W. Linville
parent 634a555ce3
commit 2eb2fa67e5
1 changed files with 0 additions and 2 deletions
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2
drivers/net/wireless/ath/ath5k/phy.c
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@ -3025,8 +3025,6 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
ATH5K_ERR(ah->ah_sc, "invalid tx power: %u\n", txpower);
return -EINVAL;
}
if (txpower == 0)
txpower = AR5K_TUNE_DEFAULT_TXPOWER;
/* Reset TX power values */
memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));