diff options
| author |   Stanislaw Gruszka <sgruszka@redhat.com> | 2018-11-01 16:35:02 +0100 |
|---|---|---|
| committer |   Felix Fietkau <nbd@nbd.name> | 2018-11-30 12:21:43 +0100 |
| commit | 4784a3cc3fffd0ba5ef6c7a23980ae0318fc1369 (patch) | |
| tree | f72f58ecaa8b7bf8dafe054e160baf9121c7be8f /drivers/net/wireless/mediatek | |
| parent | mt76x02: run calibration after scanning (diff) | |
| download | linux-dev-4784a3cc3fffd0ba5ef6c7a23980ae0318fc1369.tar.xz linux-dev-4784a3cc3fffd0ba5ef6c7a23980ae0318fc1369.zip | |
mt76x02: assure we update gain after scan
Assure that after we initialize dev->cal.low_gain to -1 this
will cause update gain calibration. Otherwise this might or
might not happen depending on value of second bit of low_gain
and values read from registers in mt76x02_phy_adjust_vga_gain().
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/phy.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_util.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/phy.c | 3 |
3 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c index 272a68884269..275458891ce4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -1082,7 +1082,8 @@ mt76x0_phy_update_channel_gain(struct mt76x02_dev *dev) low_gain = (dev->cal.avg_rssi_all > mt76x02_get_rssi_gain_thresh(dev)) + (dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev)); - gain_change = (dev->cal.low_gain & 2) ^ (low_gain & 2); + gain_change = dev->cal.low_gain < 0 || + (dev->cal.low_gain & 2) ^ (low_gain & 2); dev->cal.low_gain = low_gain; if (!gain_change) { diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c index 8a250224fcd7..87ce6a51fb05 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c @@ -555,8 +555,11 @@ void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, if (mt76_is_mmio(dev)) tasklet_enable(&dev->pre_tbtt_tasklet); - if (dev->cal.gain_init_done) + if (dev->cal.gain_init_done) { + /* Restore AGC gain and resume calibration after scanning. */ + dev->cal.low_gain = -1; ieee80211_queue_delayed_work(hw, &dev->cal_work, 0); + } } EXPORT_SYMBOL_GPL(mt76x02_sw_scan_complete); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c index bbeff9c19997..1b85fb415548 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c @@ -289,7 +289,8 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) low_gain = (dev->cal.avg_rssi_all > mt76x02_get_rssi_gain_thresh(dev)) + (dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev)); - gain_change = (dev->cal.low_gain & 2) ^ (low_gain & 2); + gain_change = dev->cal.low_gain < 0 || + (dev->cal.low_gain & 2) ^ (low_gain & 2); dev->cal.low_gain = low_gain; if (!gain_change) { |