From: Jes Sorensen <jes.soren...@redhat.com>
This adds the missing support for setting MCS TX power rates on 8723bu.
Signed-off-by: Jes Sorensen <jes.soren...@redhat.com>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index daea712..cca3b92 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -2062,8 +2062,8 @@ rtl8723a_set_tx_power(struct rtl8xxxu_priv *priv, int
channel, bool ht40)
static void
rtl8723b_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
{
- u32 val32, ofdm;
- u8 cck, ofdmbase;
+ u32 val32, ofdm, mcs;
+ u8 cck, ofdmbase, mcsbase;
int group, tx_idx;
tx_idx = 0;
@@ -2086,6 +2086,16 @@ rtl8723b_set_tx_power(struct rtl8xxxu_priv *priv, int
channel, bool ht40)
rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
+
+ mcsbase = priv->ht40_1s_tx_power_index_B[group];
+ if (ht40)
+ mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
+ else
+ mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
+ mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
+
+ rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
+ rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
}
static void rtl8xxxu_set_linktype(struct rtl8xxxu_priv *priv,
--
2.5.0
--
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