On Mon, Apr 15, 2013 at 10:18 AM, Alex Mihaylov <minimumlaw@xxxxxxxxxx> wrote:
>
> 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.
OK. Thanks for the explanation. I've found it myself there as well.
I'll ack the patch.
--
---
Gertjan
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