[PATCH 9/9] b43: N-PHY: enable forgotten write of hw power adjust table
Rafał Miłecki
zajec5 at gmail.com
Sun Apr 20 04:05:51 PDT 2014
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 at gmail.com>
---
drivers/net/wireless/b43/phy_n.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 291b38c..482b312 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);
--
1.8.4.5
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