After reports of poor performance, a review of the latest vendor driver
(rtl8187_linux_26.1025.0328.2007) for RTL8187L devices was undertaken.
A difference was found in the code used to index the OFDM power tables. When
the Linux driver was changed, my unit works at a much greater range than
before. I think this fixes Bugzilla #12380 and has been tested by at least
two other users.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: MartÃn Ernesto Barreyro <barreyromartin@gmail.com>
Cc: Stable <stable@kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
ofdm_power = priv->channels[channel - 1].hw_value >> 4;
cck_power = min(cck_power, (u8)11);
ofdm_power = priv->channels[channel - 1].hw_value >> 4;
cck_power = min(cck_power, (u8)11);
- ofdm_power = min(ofdm_power, (u8)35);
+ if (ofdm_power > (u8)15)
+ ofdm_power = 25;
+ else
+ ofdm_power += 10;
rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
rtl8225_tx_gain_cck_ofdm[cck_power / 6] >> 1);
rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
rtl8225_tx_gain_cck_ofdm[cck_power / 6] >> 1);
cck_power += priv->txpwr_base & 0xF;
cck_power = min(cck_power, (u8)35);
cck_power += priv->txpwr_base & 0xF;
cck_power = min(cck_power, (u8)35);
- ofdm_power = min(ofdm_power, (u8)15);
+ if (ofdm_power > (u8)15)
+ ofdm_power = 25;
+ else
+ ofdm_power += 10;
ofdm_power += priv->txpwr_base >> 4;
ofdm_power = min(ofdm_power, (u8)35);
ofdm_power += priv->txpwr_base >> 4;
ofdm_power = min(ofdm_power, (u8)35);