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rtl8xxxu: For devices with external PA (8188RU), limit CCK TX power

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Per the vendor driver, devices with an external PA needs limiting it's
TX power to 0x20.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Jes Sorensen 2016-04-14 16:37:09 -04:00 committed by Kalle Valo
parent 4062b8ffec
commit b591e982bc
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
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@ -2421,6 +2421,13 @@ rtl8723a_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
cck[0] = priv->cck_tx_power_index_A[group];
cck[1] = priv->cck_tx_power_index_B[group];
if (priv->hi_pa) {
if (cck[0] > 0x20)
cck[0] = 0x20;
if (cck[1] > 0x20)
cck[1] = 0x20;
}
ofdm[0] = priv->ht40_1s_tx_power_index_A[group];
ofdm[1] = priv->ht40_1s_tx_power_index_B[group];