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| author | Helmut Schaa <helmut.schaa@googlemail.com> | 2011-03-28 13:31:30 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-04 16:20:02 -0400 |
| commit | 75faae8b80171b447bfc4bac448308676fb8a663 (patch) | |
| tree | e0699a7e0c7056db1859aa3e523e9323ceeedd1c /drivers/net/wireless/rt2x00/rt2800lib.c | |
| parent | aca7305be5cd9e07f042e6bf6547e7c5635f0041 (diff) | |
| download | blackbird-op-linux-75faae8b80171b447bfc4bac448308676fb8a663.tar.gz blackbird-op-linux-75faae8b80171b447bfc4bac448308676fb8a663.zip | |
rt2x00: Restructure bw_comp calculation
Move the HT40 check inside the calculation function to make it easier
for a later cleanup.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800lib.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800lib.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 2ee6cebb9b25..2f8af7a806ec 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -1819,11 +1819,15 @@ static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev, u16 eeprom; u8 comp_en; u8 comp_type; - int comp_value; + int comp_value = 0; rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom); - if (eeprom == 0xffff) + /* + * HT40 compensation not required. + */ + if (eeprom == 0xffff || + !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) return 0; if (band == IEEE80211_BAND_2GHZ) { @@ -1865,13 +1869,12 @@ static u8 rt2800_compesate_txpower(struct rt2x00_dev *rt2x00dev, u8 eirp_txpower; u8 eirp_txpower_criterion; u8 reg_limit; - int bw_comp = 0; + int bw_comp; if (!((band == IEEE80211_BAND_5GHZ) && is_rate_b)) return txpower; - if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) - bw_comp = rt2800_get_txpower_bw_comp(rt2x00dev, band); + bw_comp = rt2800_get_txpower_bw_comp(rt2x00dev, band); if (test_bit(CONFIG_SUPPORT_POWER_LIMIT, &rt2x00dev->flags)) { /* |
