staging: vt6655: Correct listen interval TBTT wake up
PSbIsNextTBTTWakeUp is called at beacon intervals. The should listen to next beacon on count down of wake_up_count == 1. This restores this back to vendors code but modified for mac80211. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -403,6 +403,7 @@ struct vnt_private {
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unsigned char abyEEPROM[EEP_MAX_CONTEXT_SIZE]; /* unsigned long alignment */
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unsigned short wBeaconInterval;
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u16 wake_up_count;
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struct work_struct interrupt_work;
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@ -157,10 +157,18 @@ PSbIsNextTBTTWakeUp(
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struct ieee80211_conf *conf = &hw->conf;
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bool bWakeUp = false;
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if (conf->listen_interval == 1) {
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/* Turn on wake up to listen next beacon */
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MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_LNBCN);
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bWakeUp = true;
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if (conf->listen_interval > 1) {
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if (!pDevice->wake_up_count)
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pDevice->wake_up_count = conf->listen_interval;
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--pDevice->wake_up_count;
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if (pDevice->wake_up_count == 1) {
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/* Turn on wake up to listen next beacon */
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MACvRegBitsOn(pDevice->PortOffset,
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MAC_REG_PSCTL, PSCTL_LNBCN);
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bWakeUp = true;
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}
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}
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return bWakeUp;
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