diff options
| author | Lorenzo Bianconi <lorenzo.bianconi@redhat.com> | 2018-10-12 12:16:25 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-10-13 17:39:49 +0200 |
| commit | 9f884f0f9d000998a3e413232e9efcdbb5901139 (patch) | |
| tree | 508183da03ba87f4d0ac711aff37f2e7a59bb24f /drivers/net/wireless/mediatek/mt76/mt76x02_phy.c | |
| parent | b225a9b6c27ef2a0ea4a5e7fce647c6017b8affb (diff) | |
mt76: move mt76x02_phy_adjust_vga_gain in mt76/mt76x02_phy.c
Move mt76x02_phy_adjust_vga_gain routine in mt76x02-lib module
in order to be reused by mt76x0 driver for vga calibration
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_phy.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_phy.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c index b0c78ab97ad7..97310da37d77 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c @@ -223,3 +223,24 @@ void mt76x02_phy_set_band(struct mt76x02_dev *dev, int band, primary_upper); } EXPORT_SYMBOL_GPL(mt76x02_phy_set_band); + +bool mt76x02_phy_adjust_vga_gain(struct mt76x02_dev *dev) +{ + u8 limit = dev->cal.low_gain > 0 ? 16 : 4; + bool ret = false; + u32 false_cca; + + false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS, mt76_rr(dev, MT_RX_STAT_1)); + dev->cal.false_cca = false_cca; + if (false_cca > 800 && dev->cal.agc_gain_adjust < limit) { + dev->cal.agc_gain_adjust += 2; + ret = true; + } else if ((false_cca < 10 && dev->cal.agc_gain_adjust > 0) || + (dev->cal.agc_gain_adjust >= limit && false_cca < 500)) { + dev->cal.agc_gain_adjust -= 2; + ret = true; + } + + return ret; +} +EXPORT_SYMBOL_GPL(mt76x02_phy_adjust_vga_gain); |