package/kernel/mac80211/patches/653-0056-rtl8xxxu-Make-sure-to-enable-OFDM-paths-for-8188eu-i.patch

   1 From ba518f046cc1ce63b6984948b19b4d3903c5c30b Mon Sep 17 00:00:00 2001
   2 From: Jes Sorensen <Jes.Sorensen@redhat.com>
   3 Date: Mon, 3 Oct 2016 11:46:37 -0400
   4 Subject: [PATCH] rtl8xxxu: Make sure to enable OFDM paths for 8188eu in
   5  rtl8188e_enable_rf()
   6
   7 Failure to re-enable OFDM paths results in the dongle only receiving
   8 CCK packets which isn't overly exciting.
   9
  10 Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
  11 ---
  12  drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 14 ++++++++++++++
  13  1 file changed, 14 insertions(+)
  14
  15 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
  16 +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
  17 @@ -1353,8 +1353,22 @@ void rtl8188eu_power_off(struct rtl8xxxu
  18
  19  static void rtl8188e_enable_rf(struct rtl8xxxu_priv *priv)
  20  {
  21 +       u32 val32;
  22 +
  23         rtl8xxxu_write8(priv, REG_RF_CTRL, RF_ENABLE | RF_RSTB | RF_SDMRSTB);
  24
  25 +       val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE);
  26 +       val32 &= ~(OFDM_RF_PATH_RX_MASK | OFDM_RF_PATH_TX_MASK);
  27 +       if (priv->rx_paths == 2)
  28 +               val32 |= OFDM_RF_PATH_RX_A | OFDM_RF_PATH_RX_B;
  29 +       else
  30 +               val32 |= OFDM_RF_PATH_RX_A;
  31 +       if (priv->tx_paths == 2)
  32 +               val32 |= OFDM_RF_PATH_TX_A | OFDM_RF_PATH_TX_B;
  33 +       else
  34 +               val32 |= OFDM_RF_PATH_TX_A;
  35 +       rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32);
  36 +
  37         rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
  38  }
  39