Commit 3e7921a0 authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Greg Kroah-Hartman
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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: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4fdae0d9

drivers/staging/vt6655/device.h

+1 −0
Original line number Diff line number Diff line
@@ -403,6 +403,7 @@ struct vnt_private { 
	unsigned char abyEEPROM[EEP_MAX_CONTEXT_SIZE]; /* unsigned long alignment */



	unsigned short wBeaconInterval;

	u16 wake_up_count;



	struct work_struct interrupt_work;

drivers/staging/vt6655/power.c

+12 −4
Original line number Diff line number Diff line
@@ -157,11 +157,19 @@ PSbIsNextTBTTWakeUp( 
	struct ieee80211_conf *conf = &hw->conf;

	bool bWakeUp = false;



	if (conf->listen_interval == 1) {

	if (conf->listen_interval > 1) {

		if (!pDevice->wake_up_count)

			pDevice->wake_up_count = conf->listen_interval;



		--pDevice->wake_up_count;



		if (pDevice->wake_up_count == 1) {

			/* Turn on wake up to listen next beacon */

		MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_LNBCN);

			MACvRegBitsOn(pDevice->PortOffset,

				      MAC_REG_PSCTL, PSCTL_LNBCN);

			bWakeUp = true;

		}

	}



	return bWakeUp;

}