From: Tomislav Požega Date: Thu, 27 Dec 2018 14:05:25 +0000 (+0100) Subject: rt2x00: reduce tx power to nominal level on RT6352 X-Git-Tag: v5.1-rc1~178^2~348^2~41 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c2e28ef7711ffcb083474ee5f154264c6ec1ec07;p=thirdparty%2Fkernel%2Fstable.git rt2x00: reduce tx power to nominal level on RT6352 Current implementation of RT6352 support provides too high tx power at least on iPA/eLNA devices. Reduce amplification of variable gain amplifier by 6dB to match board target power of 17dBm. Transmited signal strength with this patch is similar to that of stock firmware or pandorabox firmware. Throughput measured with iperf improves. Device tested: Xiaomi Miwifi Mini. Signed-off-by: Tomislav Požega Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c index 0e95555aec622..7f813f6f87924 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -5477,7 +5477,7 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); rt2800_register_write(rt2x00dev, MIMO_PS_CFG, 0x00000002); rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x00150F0F); - rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x06060606); + rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000); rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0); rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C);