Author: adrian
Date: Thu Sep 13 07:25:41 2012
New Revision: 240449
URL: http://svn.freebsd.org/changeset/base/240449
Log:
Enable fractional 5G mode on half/quarter rate channels.
Obtained from: Linux ath9k
Modified:
head/sys/dev/ath/ath_hal/ar9002/ar9280.c
Modified: head/sys/dev/ath/ath_hal/ar9002/ar9280.c
==============================================================================
--- head/sys/dev/ath/ath_hal/ar9002/ar9280.c Thu Sep 13 07:24:14 2012
(r240448)
+++ head/sys/dev/ath/ath_hal/ar9002/ar9280.c Thu Sep 13 07:25:41 2012
(r240449)
@@ -112,7 +112,17 @@ ar9280SetChannel(struct ath_hal *ah, con
switch (frac_n_5g) {
case 0:
- if ((freq % 20) == 0) {
+ /*
+ * Enable fractional mode for half/quarter rate
+ * channels.
+ *
+ * This is from the Linux ath9k code, rather than
+ * the Atheros HAL code.
+ */
+ if (IEEE80211_IS_CHAN_QUARTER(chan) ||
+ IEEE80211_IS_CHAN_HALF(chan))
+ aModeRefSel = 0;
+ else if ((freq % 20) == 0) {
aModeRefSel = 3;
} else if ((freq % 10) == 0) {
aModeRefSel = 2;
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