On Tue, Mar 05, 2013 at 08:00:10PM +0400, Alex A. Mihaylov wrote: > Good day! > > I use Jorjin WN8020 USB WiFi module with RT3070 chip. > On Windows and Os X module have 15dBm output power, but on Linux about > 3dBm with 'ifconfig wlan0 txpower 20' and less if txpower set less, > than 20dBm. > > I analyse Ralink driver and found RF_R49/RF_R50 registers present in > ralnik code, but abcent in Linux drivers. I try patch code: Patch gnerally looks fine. > > + /* > + * FixMe: Why POWER_BOUND and FREQ_OFFSET_BOUND not init here? > + */ ??? > + rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr); > + if (rt2x00dev->freq_offset > FREQ_OFFSET_BOUND) > + rt2x00_set_field8(&rfcsr, RFCSR17_CODE, FREQ_OFFSET_BOUND); > + else > + rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset); > + rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); Do we also need to init RF_R17 ? Does vendor driver do this ? > and tx power stay 15dBm (ass writen in WN8020 specification) if > txpower set to 20dBm in driver, and about 0dBm if tx power set to 0dBm > in driver. > I also found function rt2800_config_channel_rf2xxx without > initialisation POWER_BOUND and FREQ_OFFSET_BOUND. May be this also > incorrect? Not sure, need to check on old vendor driver. Stanislaw -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
