The code for rtl8187 does not do per packet TX AGC. Resetting the per packet TX AGC for rtl8187b appears to increase its overall TX power. This allows the device to associate and a connection be established using APs a little further away. Tested-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxxx> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxxx> Cc: linux-wireless@xxxxxxxxxxxxxxx Cc: Larry Finger <Larry.Finger@xxxxxxxxxxxx> Cc: Rogerio Luz Coelho <rogluz.news@xxxxxxxxx> Cc: Herton Ronaldo Krzesinski <herton@xxxxxxxxxxxxxxx> Cc: Hin-Tak Leung <hintak.leung@xxxxxxxxx> --- drivers/net/wireless/rtl818x/rtl8187_dev.c | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c index 38fa824..6e26149 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_dev.c +++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c @@ -775,10 +775,6 @@ static int rtl8187b_init_hw(struct ieee80211_hw *dev) reg = rtl818x_ioread8(priv, &priv->map->CW_CONF); reg |= RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT; rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg); - reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL); - reg |= RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT | - RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT; - rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg); rtl818x_iowrite16_idx(priv, (__le16 *)0xFFE0, 0x0FFF, 1); @@ -929,6 +925,12 @@ static int rtl8187_start(struct ieee80211_hw *dev) priv->rx_conf = reg; rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg); + reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL); + reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT; + reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT; + reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT; + rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg); + rtl818x_iowrite32(priv, &priv->map->TX_CONF, RTL818X_TX_CONF_HW_SEQNUM | RTL818X_TX_CONF_DISREQQSIZE | -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
