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rt2800: 5592: init frequency calibration
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Based on:
InitFrequencyCalibrationMode()
RT5592_ChipCap

from:
DPO_RT5572_LinuxSTA_2.6.1.3_20121022/common/frq_cal.c
DPO_RT5572_LinuxSTA_2.6.1.3_20121022/chips/rt5592.c

Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Tested-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Stanislaw Gruszka authored and John W. Linville committed Mar 18, 2013
1 parent cf084c6 commit c267548
Showing 1 changed file with 9 additions and 3 deletions.
12 changes: 9 additions & 3 deletions drivers/net/wireless/rt2x00/rt2800lib.c
Original file line number Diff line number Diff line change
Expand Up @@ -3744,6 +3744,12 @@ static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
rt2800_bbp_write(rt2x00dev, 4, value);
}

static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev)
{
rt2800_bbp_write(rt2x00dev, 142, 1);
rt2800_bbp_write(rt2x00dev, 143, 57);
}

static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
{
const u8 glrt_table[] = {
Expand Down Expand Up @@ -3852,6 +3858,8 @@ static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
rt2800_bbp_write(rt2x00dev, 254, value);
}

rt2800_init_freq_calibration(rt2x00dev);

rt2800_bbp_write(rt2x00dev, 84, 0x19);
if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
rt2800_bbp_write(rt2x00dev, 103, 0xc0);
Expand Down Expand Up @@ -4155,9 +4163,7 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
rt2800_bbp_write(rt2x00dev, 152, value);

/* Init frequency calibration */
rt2800_bbp_write(rt2x00dev, 142, 1);
rt2800_bbp_write(rt2x00dev, 143, 57);
rt2800_init_freq_calibration(rt2x00dev);
}

for (i = 0; i < EEPROM_BBP_SIZE; i++) {
Expand Down

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