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authorGertjan van Wingerde <gwingerde@gmail.com>2012-09-16 16:29:49 -0400
committerJohn W. Linville <linville@tuxdriver.com>2012-09-24 14:59:12 -0400
commit8c6728b08ee589ae3c7a75f0d1aa5d73a9c042f1 (patch)
treefe65942fa3b4bc83dd40646a18b1f22cb9402d50 /drivers
parent06236e53ce83d9f770a25a5305b8651544ff8b67 (diff)
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')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c16
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);
2896 2896
2897static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev) 2897static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
2898{ 2898{
2899 u8 vgc;
2900
2899 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) { 2901 if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2900 if (rt2x00_rt(rt2x00dev, RT3070) || 2902 if (rt2x00_rt(rt2x00dev, RT3070) ||
2901 rt2x00_rt(rt2x00dev, RT3071) || 2903 rt2x00_rt(rt2x00dev, RT3071) ||
@@ -2904,15 +2906,17 @@ static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
2904 rt2x00_rt(rt2x00dev, RT3390) || 2906 rt2x00_rt(rt2x00dev, RT3390) ||
2905 rt2x00_rt(rt2x00dev, RT5390) || 2907 rt2x00_rt(rt2x00dev, RT5390) ||
2906 rt2x00_rt(rt2x00dev, RT5392)) 2908 rt2x00_rt(rt2x00dev, RT5392))
2907 return 0x1c + (2 * rt2x00dev->lna_gain); 2909 vgc = 0x1c + (2 * rt2x00dev->lna_gain);
2910 else
2911 vgc = 0x2e + rt2x00dev->lna_gain;
2912 } else { /* 5GHZ band */
2913 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2914 vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
2908 else 2915 else
2909 return 0x2e + rt2x00dev->lna_gain; 2916 vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3;
2910 } 2917 }
2911 2918
2912 if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) 2919 return vgc;
2913 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
2914 else
2915 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
2916} 2920}
2917 2921
2918static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev, 2922static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,