openwrt/package/kernel/mac80211/patches/rt2x00/019-rt2800-comment-and-simplify-AGC-init-for-RT6352.patch
Daniel Golle 8554982e1f mac80211: rt2x00: replace pending by merged patches
Those have by now been merged into wireless-drivers-next:
 17ae2acd1a6f rt2x00: remove unneeded check
 5991a2ecd070 rt2x00: remove confusing AGC register
 9ad3b5565445 rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band
 7aca14885ede rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620
 c7ff1bfeaf1c rt2800: comment and simplify AGC init for RT6352

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2019-02-20 13:17:11 +01:00

34 lines
1.3 KiB
Diff

From c7ff1bfeaf1ca69e3e401be211b55d1738d0c5fc Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <sgruszka@redhat.com>
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 <daniel@makrotopia.org>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
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);