Re: [PATCH 3/4] rt2800: radio 3xxx: add channel switch calibration routines
From: Helmut Schaa <hidden>
Date: 2012-02-01 10:30:35
On Mon, Jan 30, 2012 at 4:17 PM, Stanislaw Gruszka [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Synchronize code with Ralink driver: 2011_0719_RT3070_RT3370_RT5370_RT5372_Linux_STA_V2.5.0.3_DPO Based on functions: RT33xx_ChipSwitchChannel RT30xx_ChipSwitchChannel Acked-by: Gertjan van Wingerde <redacted> Signed-off-by: Stanislaw Gruszka <redacted> --- drivers/net/wireless/rt2x00/rt2800lib.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index a841918..b5dcc48 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c@@ -1700,6 +1700,13 @@ static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,} rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); + rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); + rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); + msleep(1); + rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); + rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); + rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);@@ -1710,6 +1717,13 @@ static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); + + rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); + rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); + msleep(1); + rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); + rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); }
This was also introduced for later chipsets only but since Ralink left the code in for all chipsets I guess this is ok ... Helmut