diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2014-04-20 13:05:51 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-04-22 15:06:34 -0400 |
| commit | 557579279f5f783fa86295cf767a19f9e98bb62d (patch) | |
| tree | 23361ef430480599645a6555fd2936bcc7e0bb32 /drivers | |
| parent | c7ebe237e0bf8960f9b764c5fc51f6448fa48cc7 (diff) | |
b43: N-PHY: enable forgotten write of hw power adjust table
We've implemented table calculation, but forgot to enable writing it in
power setup function.
By the way document table layout.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 291b38c4542..482b31210d2 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -3400,6 +3400,20 @@ static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev) u8 idx, delta; u8 i, stf_mode; + /* Array adj_pwr_tbl corresponds to the hardware table. It consists of + * 21 groups, each containing 4 entries. + * + * First group has entries for CCK modulation. + * The rest of groups has 1 entry per modulation (SISO, CDD, STBC, SDM). + * + * Group 0 is for CCK + * Groups 1..4 use BPSK (group per coding rate) + * Groups 5..8 use QPSK (group per coding rate) + * Groups 9..12 use 16-QAM (group per coding rate) + * Groups 13..16 use 64-QAM (group per coding rate) + * Groups 17..20 are unknown + */ + for (i = 0; i < 4; i++) nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i]; @@ -3598,10 +3612,8 @@ static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev) } b43_nphy_tx_prepare_adjusted_power_table(dev); - /* b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl); b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl); - */ if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, false); |