[rt2x00-users] [PATCH 05/13 v2] rt2x00: Restructure bw_comp calculation
Ivo van Doorn
ivdoorn at gmail.com
Sun Apr 3 03:14:09 EST 2011
From: Helmut Schaa <helmut.schaa at googlemail.com>
Move the HT40 check inside the calculation function to make it easier
for a later cleanup.
Signed-off-by: Helmut Schaa <helmut.schaa at googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn at gmail.com>
---
v2: Fix subject
---
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 2ee6ceb..2f8af7a 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)) {
/*
--
1.7.2.3
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