diff options
| author | John Li <chen-yang.li@mediatek.com> | 2012-02-16 21:40:57 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-02-27 14:05:44 -0500 |
| commit | 2e9c43dd45ced5bd77c94d4216f96b4a49448d73 (patch) | |
| tree | 6c6a219ab04d652197fef2f8ae5538571ed1782a /drivers/net/wireless/rt2x00/rt2x00link.c | |
| parent | 9da27232060411e98c27a8407610c794acb08c8b (diff) | |
rt2x00:Add VCO recalibration
Signed-off-by: John Li <chen-yang.li@mediatek.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00link.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00link.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c index ea10b0068f8..8368aab86f2 100644 --- a/drivers/net/wireless/rt2x00/rt2x00link.c +++ b/drivers/net/wireless/rt2x00/rt2x00link.c @@ -447,11 +447,27 @@ void rt2x00link_start_agc(struct rt2x00_dev *rt2x00dev) AGC_INTERVAL); } +void rt2x00link_start_vcocal(struct rt2x00_dev *rt2x00dev) +{ + struct link *link = &rt2x00dev->link; + + if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) && + rt2x00dev->ops->lib->vco_calibration) + ieee80211_queue_delayed_work(rt2x00dev->hw, + &link->vco_work, + VCO_INTERVAL); +} + void rt2x00link_stop_agc(struct rt2x00_dev *rt2x00dev) { cancel_delayed_work_sync(&rt2x00dev->link.agc_work); } +void rt2x00link_stop_vcocal(struct rt2x00_dev *rt2x00dev) +{ + cancel_delayed_work_sync(&rt2x00dev->link.vco_work); +} + static void rt2x00link_agc(struct work_struct *work) { struct rt2x00_dev *rt2x00dev = @@ -473,9 +489,32 @@ static void rt2x00link_agc(struct work_struct *work) AGC_INTERVAL); } +static void rt2x00link_vcocal(struct work_struct *work) +{ + struct rt2x00_dev *rt2x00dev = + container_of(work, struct rt2x00_dev, link.vco_work.work); + struct link *link = &rt2x00dev->link; + + /* + * When the radio is shutting down we should + * immediately cease the VCO calibration. + */ + if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) + return; + + rt2x00dev->ops->lib->vco_calibration(rt2x00dev); + + if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) + ieee80211_queue_delayed_work(rt2x00dev->hw, + &link->vco_work, + VCO_INTERVAL); +} + void rt2x00link_register(struct rt2x00_dev *rt2x00dev) { INIT_DELAYED_WORK(&rt2x00dev->link.agc_work, rt2x00link_agc); + if (test_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags)) + INIT_DELAYED_WORK(&rt2x00dev->link.vco_work, rt2x00link_vcocal); INIT_DELAYED_WORK(&rt2x00dev->link.watchdog_work, rt2x00link_watchdog); INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00link_tuner); } |