From 64fa4ead3247f50f39d2f5c1a48d38df5bc3cba0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= Date: Sun, 16 Apr 2017 14:14:42 +0200 Subject: [PATCH] mac80211: rt2800: fix mt7620 vco calibration registers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use register values from init LNA function instead of the ones from restore LNA function. Apply register values based on rx path configuration. Signed-off-by: Tomislav Požega Signed-off-by: Daniel Golle [daniel@makrotopia.org: moved changes into a separate patch] --- ...fix-mt7620-vco-calibration-registers.patch | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 package/kernel/mac80211/patches/021-03-rt2800-fix-mt7620-vco-calibration-registers.patch diff --git a/package/kernel/mac80211/patches/021-03-rt2800-fix-mt7620-vco-calibration-registers.patch b/package/kernel/mac80211/patches/021-03-rt2800-fix-mt7620-vco-calibration-registers.patch new file mode 100644 index 0000000000..708b0b2d31 --- /dev/null +++ b/package/kernel/mac80211/patches/021-03-rt2800-fix-mt7620-vco-calibration-registers.patch @@ -0,0 +1,50 @@ +From 02c452f317b4a4d06c433c294e66896a389731c1 Mon Sep 17 00:00:00 2001 +From: Daniel Golle +Date: Tue, 18 Apr 2017 11:09:53 +0200 +Subject: [PATCH] rt2800: fix mt7620 vco calibration registers +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit +To: Stanislaw Gruszka +Cc: Helmut Schaa , + linux-wireless@vger.kernel.org, + Kalle Valo , + Tom Psyborg + +Use register values from init LNA function instead of the ones from +restore LNA function. Apply register values based on rx path +configuration. + +Signed-off-by: Tomislav Požega +Signed-off-by: Daniel Golle +--- + drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +index 870bf315f98b..86cffee6876a 100644 +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -4932,7 +4932,7 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev) + rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); + + if (rt2x00_rt(rt2x00dev, RT6352)) { +- if (rt2x00dev->default_ant.tx_chain_num == 1) { ++ if (rt2x00dev->default_ant.rx_chain_num == 1) { + rt2800_bbp_write(rt2x00dev, 91, 0x07); + rt2800_bbp_write(rt2x00dev, 95, 0x1A); + rt2800_bbp_write(rt2x00dev, 195, 128); +@@ -4953,8 +4953,8 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev) + } + + if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { +- rt2800_bbp_write(rt2x00dev, 75, 0x60); +- rt2800_bbp_write(rt2x00dev, 76, 0x44); ++ rt2800_bbp_write(rt2x00dev, 75, 0x68); ++ rt2800_bbp_write(rt2x00dev, 76, 0x4C); + rt2800_bbp_write(rt2x00dev, 79, 0x1C); + rt2800_bbp_write(rt2x00dev, 80, 0x0C); + rt2800_bbp_write(rt2x00dev, 82, 0xB6); +-- +2.12.2 +