From cb77f0f92f596a2ef54246db7321e319305e8156 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Wed, 13 Feb 2019 11:09:16 +0100 Subject: [PATCH 19/28] rt2800: comment and simplify AGC init for RT6352 We do not need separate lines for calculating register values. Also add comment that value is different than in vendor driver. Suggested-by: Daniel Golle Signed-off-by: Stanislaw Gruszka --- drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -3989,9 +3989,12 @@ static void rt2800_config_channel(struct rt2800_bbp_write(rt2x00dev, 195, 141); rt2800_bbp_write(rt2x00dev, 196, reg); - /* AGC init */ - reg = rf->channel <= 14 ? 0x1c : 0x24; - reg += 2 * rt2x00dev->lna_gain; + /* AGC init. + * Despite the vendor driver using different values here for + * RT6352 chip, we use 0x1c for now. This may have to be changed + * once TSSI got implemented. + */ + reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2*rt2x00dev->lna_gain; rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg); rt2800_iq_calibrate(rt2x00dev, rf->channel);