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staging/rtl8187se: Remove duplicated code by using an offset 

In SetAntennaConfig87SE both branches of if (bAntDiversity) do exactly
the same, except that there is an offset of 0x80 for the register values
if bAntDiversity is true.

-> Consolidate both branches and assign the offset if necessary.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Huewe 2013-02-13 04:05:25 +01:00 committed by Greg Kroah-Hartman
parent a638d6afbc
commit 7f0cb0a05d
1 changed files with 21 additions and 45 deletions
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66
drivers/staging/rtl8187se/r8185b_init.c
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@ -284,62 +284,38 @@ bool SetAntennaConfig87SE(struct net_device *dev,
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
bool bAntennaSwitched = true;
u8 ant_diversity_offset = 0x00; /* 0x00 = disabled, 0x80 = enabled */
/* printk("SetAntennaConfig87SE(): DefaultAnt(%d), bAntDiversity(%d)\n", DefaultAnt, bAntDiversity); */
/* Threshold for antenna diversity. */
write_phy_cck(dev, 0x0c, 0x09); /* Reg0c : 09 */
if (bAntDiversity) { /* Enable Antenna Diversity. */
if (DefaultAnt == 1) { /* aux antenna */
if (bAntDiversity) /* Enable Antenna Diversity. */
ant_diversity_offset = 0x80;
/* Mac register, aux antenna */
write_nic_byte(dev, ANTSEL, 0x00);
if (DefaultAnt == 1) { /* aux Antenna */
/* Mac register, aux antenna */
write_nic_byte(dev, ANTSEL, 0x00);
/* Config CCK RX antenna. */
write_phy_cck(dev, 0x11, 0xbb); /* Reg11 : bb */
write_phy_cck(dev, 0x01, 0xc7); /* Reg01 : c7 */
/* Config CCK RX antenna. */
write_phy_cck(dev, 0x11, 0xbb); /* Reg11 : bb */
write_phy_cck(dev, 0x01, 0x47|ant_diversity_offset); /* Reg01 : 47 | ant_diversity_offset */
/* Config OFDM RX antenna. */
write_phy_ofdm(dev, 0x0D, 0x54); /* Reg0d : 54 */
write_phy_ofdm(dev, 0x18, 0xb2); /* Reg18 : b2 */
} else { /* use main antenna */
/* Mac register, main antenna */
write_nic_byte(dev, ANTSEL, 0x03);
/* base band */
/* Config CCK RX antenna. */
write_phy_cck(dev, 0x11, 0x9b); /* Reg11 : 9b */
write_phy_cck(dev, 0x01, 0xc7); /* Reg01 : c7 */
/* Config OFDM RX antenna. */
write_phy_ofdm(dev, 0x0D, 0x54); /* Reg0d : 54 */
write_phy_ofdm(dev, 0x18, 0x32|ant_diversity_offset); /* Reg18 : 32 */
} else { /* main Antenna */
/* Mac register, main antenna */
write_nic_byte(dev, ANTSEL, 0x03);
/* Config OFDM RX antenna. */
write_phy_ofdm(dev, 0x0d, 0x5c); /* Reg0d : 5c */
write_phy_ofdm(dev, 0x18, 0xb2); /* Reg18 : b2 */
}
} else {
/* Disable Antenna Diversity. */
if (DefaultAnt == 1) { /* aux Antenna */
/* Mac register, aux antenna */
write_nic_byte(dev, ANTSEL, 0x00);
/* Config CCK RX antenna. */
write_phy_cck(dev, 0x11, 0x9b); /* Reg11 : 9b */
write_phy_cck(dev, 0x01, 0x47|ant_diversity_offset); /* Reg01 : 47 */
/* Config CCK RX antenna. */
write_phy_cck(dev, 0x11, 0xbb); /* Reg11 : bb */
write_phy_cck(dev, 0x01, 0x47); /* Reg01 : 47 */
/* Config OFDM RX antenna. */
write_phy_ofdm(dev, 0x0D, 0x54); /* Reg0d : 54 */
write_phy_ofdm(dev, 0x18, 0x32); /* Reg18 : 32 */
} else { /* main Antenna */
/* Mac register, main antenna */
write_nic_byte(dev, ANTSEL, 0x03);
/* Config CCK RX antenna. */
write_phy_cck(dev, 0x11, 0x9b); /* Reg11 : 9b */
write_phy_cck(dev, 0x01, 0x47); /* Reg01 : 47 */
/* Config OFDM RX antenna. */
write_phy_ofdm(dev, 0x0D, 0x5c); /* Reg0d : 5c */
write_phy_ofdm(dev, 0x18, 0x32); /*Reg18 : 32 */
}
/* Config OFDM RX antenna. */
write_phy_ofdm(dev, 0x0D, 0x5c); /* Reg0d : 5c */
write_phy_ofdm(dev, 0x18, 0x32|ant_diversity_offset); /*Reg18 : 32 */
}
priv->CurrAntennaIndex = DefaultAnt; /* Update default settings. */
return bAntennaSwitched;