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iio: adc: ad9361: Add option to set Reg Gain Step Config2 0x106 [D6:D4] #74

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Merged
merged 1 commit into from
Mar 19, 2018
Merged

iio: adc: ad9361: Add option to set Reg Gain Step Config2 0x106 [D6:D4] #74

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10 changes: 7 additions & 3 deletions drivers/iio/adc/ad9361.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3256,8 +3256,9 @@ static int ad9361_gc_setup(struct ad9361_rf_phy *phy, struct gain_control *ctrl)
SMALL_ADC_OVERLOAD_EXED_COUNTER(ctrl->adc_small_overload_exceed_counter);
ad9361_spi_write(spi, REG_ADC_OVERLOAD_COUNTERS, reg);

ad9361_spi_writef(spi, REG_GAIN_STP_CONFIG_2, LARGE_LPF_GAIN_STEP(~0),
LARGE_LPF_GAIN_STEP(ctrl->adc_large_overload_inc_steps));
reg = DECREMENT_STP_SIZE_FOR_SMALL_LPF_GAIN_CHANGE(ctrl->f_agc_large_overload_inc_steps) |
LARGE_LPF_GAIN_STEP(ctrl->adc_large_overload_inc_steps);
ad9361_spi_write(spi, REG_GAIN_STP_CONFIG_2, reg);

reg = LARGE_LMT_OVERLOAD_EXED_COUNTER(ctrl->lmt_overload_large_exceed_counter) |
SMALL_LMT_OVERLOAD_EXED_COUNTER(ctrl->lmt_overload_small_exceed_counter);
Expand Down Expand Up @@ -8437,7 +8438,7 @@ static struct ad9361_phy_platform_data
ad9361_of_get_u32(iodev, np, "adi,agc-adc-large-overload-exceed-counter", 10,
&pdata->gain_ctrl.adc_large_overload_exceed_counter);
ad9361_of_get_u32(iodev, np, "adi,agc-adc-large-overload-inc-steps", 2,
&pdata->gain_ctrl.adc_large_overload_inc_steps);
&pdata->gain_ctrl.adc_large_overload_inc_steps); /* Name is misleading should be dec-steps */
ad9361_of_get_bool(iodev, np, "adi,agc-adc-lmt-small-overload-prevent-gain-inc-enable",
&pdata->gain_ctrl.adc_lmt_small_overload_prevent_gain_inc);
ad9361_of_get_u32(iodev, np, "adi,agc-lmt-overload-large-exceed-counter", 10,
Expand Down Expand Up @@ -8525,6 +8526,9 @@ static struct ad9361_phy_platform_data
ad9361_of_get_u32(iodev, np, "adi,fagc-power-measurement-duration-in-state5", 64,
&pdata->gain_ctrl.f_agc_power_measurement_duration_in_state5); /* 0x109, 0x10a RX samples 0..524288 */

ad9361_of_get_u32(iodev, np, "adi,fagc-adc-large-overload-inc-steps", 2, /* 0x106 [D6:D4] 0..7 */
&pdata->gain_ctrl.f_agc_large_overload_inc_steps); /* Name is misleading should be dec-steps */

/* RSSI Control */

ad9361_of_get_u32(iodev, np, "adi,rssi-restart-mode", 3,
Expand Down
1 change: 1 addition & 0 deletions drivers/iio/adc/ad9361.h
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Expand Up @@ -2954,6 +2954,7 @@ struct gain_control {

enum f_agc_target_gain_index_type f_agc_rst_gla_if_en_agc_pulled_high_mode; /* 0x0FB, 0x111 */
u8 f_agc_power_measurement_duration_in_state5; /* 0x109, 0x10a RX samples 0..524288*/
u8 f_agc_large_overload_inc_steps; /* 0x106 [D6:D4] 0..7 */

};

Expand Down