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| author |   Gertjan van Wingerde <gwingerde@gmail.com> | 2012-09-16 22:29:49 +0200 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2012-09-24 14:59:12 -0400 |
| commit | 8c6728b08ee589ae3c7a75f0d1aa5d73a9c042f1 (patch) | |
| tree | fe65942fa3b4bc83dd40646a18b1f22cb9402d50 /drivers/net/wireless/rt2x00/rt2800lib.c | |
| parent | ath9k_hw: Enable WLAN RX diversity for AR9565 (diff) | |
| download | linux-dev-8c6728b08ee589ae3c7a75f0d1aa5d73a9c042f1.tar.xz linux-dev-8c6728b08ee589ae3c7a75f0d1aa5d73a9c042f1.zip | |
rt2x00: Code clean up in rt2800lib.
Make the code in rt2800_get_default_vgc more understandable and
readable, especially for the 5GHz band values.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-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 | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 9e09367c9739..cec4a992374e 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2896,6 +2896,8 @@ EXPORT_SYMBOL_GPL(rt2800_link_stats); static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev) { + u8 vgc; + if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) { if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || @@ -2904,15 +2906,17 @@ static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev) rt2x00_rt(rt2x00dev, RT3390) || rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392)) - return 0x1c + (2 * rt2x00dev->lna_gain); + vgc = 0x1c + (2 * rt2x00dev->lna_gain); + else + vgc = 0x2e + rt2x00dev->lna_gain; + } else { /* 5GHZ band */ + if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) + vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3; else - return 0x2e + rt2x00dev->lna_gain; + vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3; } - if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) - return 0x32 + (rt2x00dev->lna_gain * 5) / 3; - else - return 0x3a + (rt2x00dev->lna_gain * 5) / 3; + return vgc; } static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev, |