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authorHelmut Schaa <helmut.schaa@googlemail.com>2011-03-28 13:31:30 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-04-04 16:20:02 -0400
commit75faae8b80171b447bfc4bac448308676fb8a663 (patch)
treee0699a7e0c7056db1859aa3e523e9323ceeedd1c /drivers
parentaca7305be5cd9e07f042e6bf6547e7c5635f0041 (diff)
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')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c13
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)) {
/*