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5.8 KiB
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115 lines
5.8 KiB
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From patchwork Thu Dec 27 14:05:25 2018
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Thu, 27 Dec 2018 06:05:38 -0800 (PST)
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From: =?utf-8?q?Tomislav_Po=C5=BEega?= <pozega.tomislav@gmail.com>
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To: linux-wireless@vger.kernel.org
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Cc: kvalo@codeaurora.org, hauke@hauke-m.de, nbd@nbd.name,
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john@phrozen.org, sgruszka@redhat.com, daniel@makrotopia.org
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Subject: [PATCH 1/2] rt2x00: reduce tx power to nominal level on RT6352
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Date: Thu, 27 Dec 2018 15:05:25 +0100
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Message-Id: <1545919526-4074-1-git-send-email-pozega.tomislav@gmail.com>
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Sender: linux-wireless-owner@vger.kernel.org
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Current implementation of RT6352 support provides too high tx power
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at least on iPA/eLNA devices. Reduce amplification of variable gain
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amplifier by 6dB to match board target power of 17dBm.
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Transmited signal strength with this patch is similar to that of
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stock firmware or pandorabox firmware. Throughput measured with iperf
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improves. Device tested: Xiaomi Miwifi Mini.
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Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
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---
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drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -5814,7 +5814,7 @@ static int rt2800_init_registers(struct
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rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
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rt2800_register_write(rt2x00dev, MIMO_PS_CFG, 0x00000002);
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rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x00150F0F);
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- rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x06060606);
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+ rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000);
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rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
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rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0);
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rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C);
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