diff options
| author | Malcolm Priestley <tvboxspy@gmail.com> | 2015-09-27 09:17:41 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-09-29 04:19:53 +0200 |
| commit | 43c93d9bf5e2b195c38de99024d8d9e545a5aae5 (patch) | |
| tree | ce08d956515493d368f6513b3e62b4fb9c842343 | |
| parent | c15158797df6c36780bd07252eb079ff4c9d1706 (diff) | |
staging: vt6656: implement power saving code.
The device should ready to listen to next beacon so on count down of
wake_up_count == 1.
schedule command WLAN_CMD_TBTT_WAKEUP which calls vnt_next_tbtt_wakeup which
wakes the device.
This restores this back to vendors code with a slight difference the
count down is in the interrupt handler.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/vt6656/device.h | 2 | ||||
| -rw-r--r-- | drivers/staging/vt6656/int.c | 14 | ||||
| -rw-r--r-- | drivers/staging/vt6656/power.c | 2 |
3 files changed, 14 insertions, 4 deletions
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h index 635d931de409..dec36f296f3d 100644 --- a/drivers/staging/vt6656/device.h +++ b/drivers/staging/vt6656/device.h @@ -389,6 +389,8 @@ struct vnt_private { u8 bb_pre_ed_rssi; u8 bb_pre_ed_index; + u16 wake_up_count; + /* command timer */ struct delayed_work run_command_work; diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c index 2ef70e4701f6..14b8ebc6508d 100644 --- a/drivers/staging/vt6656/int.c +++ b/drivers/staging/vt6656/int.c @@ -149,10 +149,18 @@ void vnt_int_process_data(struct vnt_private *priv) priv->op_mode == NL80211_IFTYPE_AP) vnt_schedule_command(priv, WLAN_CMD_BECON_SEND); - if (int_data->isr0 & ISR_TBTT) { - if (priv->hw->conf.flags & IEEE80211_CONF_PS) + if (int_data->isr0 & ISR_TBTT && + priv->hw->conf.flags & IEEE80211_CONF_PS) { + if (!priv->wake_up_count) + priv->wake_up_count = + priv->hw->conf.listen_interval; + + --priv->wake_up_count; + + /* Turn on wake up to listen next beacon */ + if (priv->wake_up_count == 1) vnt_schedule_command(priv, - WLAN_CMD_TBTT_WAKEUP); + WLAN_CMD_TBTT_WAKEUP); } priv->current_tsf = le64_to_cpu(int_data->tsf); diff --git a/drivers/staging/vt6656/power.c b/drivers/staging/vt6656/power.c index 0ffbaed5d774..d5912d23aa0d 100644 --- a/drivers/staging/vt6656/power.c +++ b/drivers/staging/vt6656/power.c @@ -134,7 +134,7 @@ int vnt_next_tbtt_wakeup(struct vnt_private *priv) struct ieee80211_conf *conf = &hw->conf; int wake_up = false; - if (conf->listen_interval == 1) { + if (conf->listen_interval > 1) { /* Turn on wake up to listen next beacon */ vnt_mac_reg_bits_on(priv, MAC_REG_PSCTL, PSCTL_LNBCN); wake_up = true; |