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/linux/Documentation/devicetree/bindings/iio/adc/
H A Dti,tsc2046.yaml56 oversampling-ratio: true
91 oversampling-ratio = <5>;
99 oversampling-ratio = <5>;
104 oversampling-ratio = <5>;
109 oversampling-ratio = <5>;
H A Dadi,axi-adc.yaml134 adi,oversampling-ratio-gpios = <&gpio0 88 GPIO_ACTIVE_HIGH
/linux/Documentation/iio/
H A Dad7380.rst77 Oversampling and resolution boost
80 This family supports 2 types of oversampling: normal average and rolling
83 available: 1 (oversampling disabled)/2/4/8/16/32.
85 When the on-chip oversampling function is enabled the performance of the ADC can
88 resolution boost feature can only be enabled when oversampling is enabled and
89 oversampling is not as useful without the resolution boost, the driver
90 automatically enables the resolution boost if and only if oversampling is
96 libiio does not support it. So when enabling or disabling oversampling, user
184 - Rolling average oversampling
H A Dad7606.rst114 Also, there is a broader choice of oversampling ratios in software mode.
141 Oversampling section in Supported features
144 This family supports oversampling to improve SNR.
146 1 (oversampling disabled)/2/4/8/16/32/64/128/256.
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-skov-cpu-revc.dtsi39 oversampling-ratio = <5>;
45 oversampling-ratio = <5>;
51 oversampling-ratio = <5>;
57 oversampling-ratio = <5>;
H A Dimx6dl-plym2m.dts242 oversampling-ratio = <5>;
248 oversampling-ratio = <5>;
254 oversampling-ratio = <5>;
260 oversampling-ratio = <5>;
266 oversampling-ratio = <5>;
272 oversampling-ratio = <5>;
280 oversampling-ratio = <5>;
H A Dimx6dl-victgo.dts190 oversampling-ratio = <5>;
196 oversampling-ratio = <5>;
202 oversampling-ratio = <5>;
208 oversampling-ratio = <5>;
H A Dimx6dl-prtvt7.dts380 oversampling-ratio = <5>;
386 oversampling-ratio = <5>;
392 oversampling-ratio = <5>;
398 oversampling-ratio = <5>;
/linux/drivers/iio/adc/
H A Dad7606.h63 * oversampling ratios.
65 * @os_req_reset: some devices require a reset to update oversampling
115 * @oversampling: oversampling selection
120 * oversampling ratios.
133 * @gpio_os: GPIO descriptors to control oversampling on the device
146 unsigned int oversampling; member
H A Dstm32-dfsdm.h268 * struct stm32_dfsdm_filter_osr - DFSDM filter settings linked to oversampling
269 * @iosr: integrator oversampling
270 * @fosr: filter oversampling
290 * @flo: filter oversampling data table indexed by fast mode flag
H A Dstm32-dfsdm-adc.c38 /* Oversampling attribute default */
41 /* Oversampling max values */
205 pr_debug("Requested oversampling: %d\n", oversamp); in stm32_dfsdm_compute_osrs()
207 * This function tries to compute filter oversampling and integrator in stm32_dfsdm_compute_osrs()
208 * oversampling, base on oversampling ratio requested by user. in stm32_dfsdm_compute_osrs()
210 * Decimation d depends on the filter order and the oversampling ratios. in stm32_dfsdm_compute_osrs()
221 * Look for filter and integrator oversampling ratios which allows in stm32_dfsdm_compute_osrs()
514 /* Average integrator oversampling */ in stm32_dfsdm_filter_configure()
520 /* Filter order and Oversampling */ in stm32_dfsdm_filter_configure()
1542 * IIO_CHAN_INFO_OVERSAMPLING_RATIO: used to set oversampling in stm32_dfsdm_adc_chan_init_one()
H A Dmcp3564.c355 * @oversampling: the index inside oversampling list of the ADC
373 enum mcp3564_oversampling oversampling; member
849 *val = mcp3564_oversampling_avail[adc->oversampling]; in mcp3564_read_raw()
947 if (adc->oversampling == tmp) in mcp3564_write_raw()
954 adc->oversampling)); in mcp3564_write_raw()
956 adc->oversampling = tmp; in mcp3564_write_raw()
1325 adc->oversampling = MCP3564_OVERSAMPLING_RATIO_98304; in mcp3564_config()
H A Dad7380.c91 #define T_CONVERT_0_NS 10 /* 1st conversion start time (oversampling) */
92 #define T_CONVERT_X_NS 500 /* xth conversion start time (oversampling) */
593 * Available oversampling ratios. The indices correspond with the bit value
1025 * bound, return 1 (oversampling disabled)
1105 * In the case of oversampling, conversion time is higher than in normal in ad7380_update_xfers()
1127 /* Additional delay required here when oversampling is enabled */ in ad7380_update_xfers()
1545 /* always enable resolution boost when oversampling is enabled */ in ad7380_set_oversampling_ratio()
1560 * Perform a soft reset. This will flush the oversampling in ad7380_set_oversampling_ratio()
1734 * oversampling. This means that the thresholds are the same for in ad7380_set_alert_th()
1735 * normal mode and oversampling mode. in ad7380_set_alert_th()
[all …]
H A Dad7606.c782 *val = st->oversampling; in ad7606_read_raw()
958 st->oversampling = st->oversampling_avail[i]; in ad7606_write_raw()
1063 "adi,oversampling-ratio", in ad7606_request_gpios()
1350 * Software mode is enabled when all three oversampling in ad7606b_sw_mode_setup()
1351 * pins are set to high. If oversampling gpios are defined in ad7606b_sw_mode_setup()
1445 * All chips with software mode support oversampling, in ad7606_probe_channels()
1512 st->oversampling = 1; in ad7606_probe()
H A Dat91-sama5d2_adc.c150 /* Extended Mode Register - Oversampling rate */
461 * @osr_mask: oversampling ratio bitmask on EMR register
462 * @oversampling_avail: available oversampling values
463 * @oversampling_avail_no: number of available oversampling values
581 * @saved_oversampling: saved oversampling
854 /* Check against supported oversampling values. */ in at91_adc_config_emr()
862 /* select oversampling ratio from configuration */ in at91_adc_config_emr()
891 /* select oversampling per single trigger event */ in at91_adc_config_emr()
1507 * adjust the values inside the buffer for oversampling in at91_adc_trigger_handler_dma()
1828 * oversampling rate of 256, tracktim=0xf and trackx=1. in at91_adc_temp_sensor_configure()
/linux/include/media/i2c/
H A Dadv7343.h20 * @pll_control: PLL and oversampling control. This control allows internal
21 * PLL 1 circuit to be powered down and the oversampling to be
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-adc-mcp356447 higher Oversampling Ratio values (over 256). To overcome this
52 reference buffer, even at maximum oversampling ratio values.
/linux/drivers/gpu/drm/i915/display/
H A Dintel_tv_regs.h30 /* Selects 4x oversampling for 480i and 576p */
32 /* Selects 2x oversampling for 720p and 1080i */
34 /* Selects no oversampling for 1080p */
36 /* Selects 8x oversampling */
417 * by the oversampling rate. TV_HSCALE should be less than 1, and set to:
/linux/drivers/input/touchscreen/
H A Dmxs-lradc-ts.c109 * prepare for oversampling conversion in mxs_lradc_setup_ts_channel()
128 * prepare the delay/loop unit according to the oversampling count in mxs_lradc_setup_ts_channel()
166 * prepare for oversampling conversion in mxs_lradc_setup_ts_pressure()
187 /* prepare the delay/loop unit according to the oversampling count */ in mxs_lradc_setup_ts_pressure()
/linux/drivers/iio/pressure/
H A Dms5611.h27 * OverSampling Rate descriptor.
/linux/include/soc/fsl/qe/
H A Ducc_slow.h97 /* UCC Slow oversampling rate for transmitter (TDCR) */
109 /* UCC Slow Oversampling rate for receiver (RDCR)
/linux/drivers/gpu/drm/imx/ipuv3/
H A Dimx-tve.c225 /* pixel clock with 2x oversampling */ in imx_tve_connector_mode_valid()
230 /* pixel clock without oversampling */ in imx_tve_connector_mode_valid()
254 * and enable 4x oversampling for lower resolutions in imx_tve_encoder_mode_set()
/linux/Documentation/sound/soc/
H A Doverview.rst24 power via changing codec oversampling rates, bias currents, etc.
/linux/drivers/tty/serial/
H A Damba-pl011.c112 bool oversampling; member
133 .oversampling = false,
148 .oversampling = false,
164 .oversampling = false,
211 .oversampling = true,
2100 if (uap->vendor->oversampling) in pl011_set_termios()
2186 if (uap->vendor->oversampling) { in pl011_set_termios()
2194 * Workaround for the ST Micro oversampling variants to in pl011_set_termios()
2199 if (uap->vendor->oversampling) { in pl011_set_termios()
2401 if (uap->vendor->oversampling && in pl011_console_get_options()
/linux/sound/soc/codecs/
H A Dwm8974.c168 /* DAC / ADC oversampling */
169 SOC_SINGLE("DAC 128x Oversampling Switch", WM8974_DAC, 8, 1, 0),
170 SOC_SINGLE("ADC 128x Oversampling Switch", WM8974_ADC, 8, 1, 0),

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