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rt2800: comment and simplify AGC init for RT6352 

We do not need separate lines for calculating register values.
Also add comment that value is different than in vendor driver.

Suggested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Stanislaw Gruszka 2019-02-13 11:09:16 +01:00 committed by Kalle Valo
parent 7aca14885e
commit c7ff1bfeaf
1 changed files with 6 additions and 3 deletions
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9
drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@ -3989,9 +3989,12 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
rt2800_bbp_write(rt2x00dev, 195, 141);
rt2800_bbp_write(rt2x00dev, 196, reg);
/* AGC init */
reg = rf->channel <= 14 ? 0x1c : 0x24;
reg += 2 * rt2x00dev->lna_gain;
/* AGC init.
* Despite the vendor driver using different values here for
* RT6352 chip, we use 0x1c for now. This may have to be changed
* once TSSI got implemented.
*/
reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2*rt2x00dev->lna_gain;
rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
rt2800_iq_calibrate(rt2x00dev, rf->channel);