staging: vt6655: Fix loss of distant/weak access points on channel change.
authorMalcolm Priestley <tvboxspy@gmail.com>
Sun, 21 Dec 2014 12:56:35 +0000 (12:56 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 13 Jan 2015 03:49:47 +0000 (19:49 -0800)
If the asssocated access point is strong byBBVGACurrent will be adjusted
accordingly.

Users will nolonger see distant access points without taking down interface.

When changing channel reset byBBVGACurrent back to pDevice->abyBBVGA[0] for
max sensitivity.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/vt6655/channel.c

index c8f739dd346eea7e4fc3287eb2eb5338955a1e46..70f870541f9268b598d78c8bf04792877b635231 100644 (file)
@@ -182,6 +182,14 @@ bool set_channel(void *pDeviceHandler, unsigned int uConnectionChannel)
        if (pDevice->byCurrentCh == uConnectionChannel)
                return bResult;
 
+       /* Set VGA to max sensitivity */
+       if (pDevice->bUpdateBBVGA &&
+           pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) {
+               pDevice->byBBVGACurrent = pDevice->abyBBVGA[0];
+
+               BBvSetVGAGainOffset(pDevice, pDevice->byBBVGACurrent);
+       }
+
        /* clear NAV */
        MACvRegBitsOn(pDevice->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV);