Author: kevlo
Date: Fri Oct 18 07:43:49 2013
New Revision: 256720
URL: http://svnweb.freebsd.org/changeset/base/256720
Log:
Fix lower bits of RF_R3 for RT3370 and newer. This change doesn't affect
older chipsets.
Modified:
head/sys/dev/usb/wlan/if_run.c
Modified: head/sys/dev/usb/wlan/if_run.c
==============================================================================
--- head/sys/dev/usb/wlan/if_run.c Fri Oct 18 07:42:50 2013
(r256719)
+++ head/sys/dev/usb/wlan/if_run.c Fri Oct 18 07:43:49 2013
(r256720)
@@ -3647,7 +3647,12 @@ run_rt3070_set_chan(struct run_softc *sc
txpow2 = sc->txpow2[i];
run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
- run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
+
+ /* RT3370/RT3390: RF R3 [7:4] is not reserved bits. */
+ run_rt3070_rf_read(sc, 3, &rf);
+ rf = (rf & ~0x0f) | rt3070_freqs[i].k;
+ run_rt3070_rf_write(sc, 3, rf);
+
run_rt3070_rf_read(sc, 6, &rf);
rf = (rf & ~0x03) | rt3070_freqs[i].r;
run_rt3070_rf_write(sc, 6, rf);
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