Good day!
> From: "Alex A. Mihaylov" <minimumlaw@xxxxxxxxxx>
> Some cards on Ralink RT30xx chipset not have correctly TX_MIXER_GAIN
> value in them EEPROM/EFUSE. In this case, we must use default value,
> but always used EEPROM/EFUSE value. As result we have tranmitt power
> range from -10dBm to +6dBm instead 0dBm to +16dBm.
> Signed-off-by: Alex A. Mihaylov <minimumlaw@xxxxxxxxxx>
> diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
Could you explain how you have come to this patch?
Is this behavior of the Ralink provided driver that you replicated
here, or have you come to this approach in an other way?
Yes, vendor driver have this code in chips/rt3070.c (function NICInitRT3070RFRegisters) and chips/rt30xx.c (function RT30xxLoadRFNormalModeSetup) files.
Look like this:
[skipped]
if (pAd->TxMixerGain24G >= 2)
{
RFValue &= (~0x7); /* clean bit [2:0]*/
RFValue |= pAd->TxMixerGain24G;
}
RT30xxWriteRFRegister(pAd, RF_R17, RFValue);
[skipped]
and have differents only in constants (2 in rt30xx.c and one in tr3070.c). TxPower i messaurment on power detector, connected directly to module.--
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