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Fix lower bits of RF_R3 for RT3370 and newer. This change doesn't affect

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older chipsets.
This commit is contained in:
Kevin Lo 2013-10-18 07:43:49 +00:00
parent 9648d6ae84
commit 5d534170af
1 changed files with 6 additions and 1 deletions
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7
sys/dev/usb/wlan/if_run.c
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@ -3647,7 +3647,12 @@ run_rt3070_set_chan(struct run_softc *sc, uint32_t chan)
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);