diff options
| author | Christian Lamparter <chunkeey@googlemail.com> | 2012-01-21 16:59:10 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-01-27 14:56:57 -0500 |
| commit | 67e43de6dbc9caf52fa7bcf4c813fd088ba6fbfc (patch) | |
| tree | 9675462fdda6a5809740d26b192c63dfee590472 /drivers/net/wireless/ath/carl9170/tx.c | |
| parent | 94f9065648a2645b28187b44ec7778c30cf58758 (diff) | |
carl9170: allow users to lower output power level
This patch implements a simple way of reducing the
output power of the device by a configurable upper
limit.
Requested-by: Harshal Chhaya <harshal@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/carl9170/tx.c')
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/tx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c index d19a9ee9d05..771e1a9294c 100644 --- a/drivers/net/wireless/ath/carl9170/tx.c +++ b/drivers/net/wireless/ath/carl9170/tx.c @@ -719,6 +719,8 @@ static void carl9170_tx_rate_tpc_chains(struct ar9170 *ar, else *chains = AR9170_TX_PHY_TXCHAIN_2; } + + *tpc = min_t(unsigned int, *tpc, ar->hw->conf.power_level * 2); } static __le32 carl9170_tx_physet(struct ar9170 *ar, |