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32 lines
1.6 KiB
32 lines
1.6 KiB
From c2e28ef7711ffcb083474ee5f154264c6ec1ec07 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
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Date: Thu, 27 Dec 2018 15:05:25 +0100
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Subject: [PATCH 12/28] rt2x00: reduce tx power to nominal level on RT6352
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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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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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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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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@@ -5477,7 +5477,7 @@ 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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