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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.
H A Dad4030.rst154 - Oversampling attribute is set to 1
162 - Oversampling attribute is set to 1
173 - Oversampling attribute is greater than 1
/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-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-adc.c205 * @has_oversampling: oversampling support flag
211 * @set_ovs: routine to set oversampling configuration
262 * @ovs_idx: current oversampling ratio index (in oversampling array)
302 * @oversampling: available oversampling ratios
304 * @num_ovs: number of available oversampling ratios
309 const unsigned int *oversampling; member
343 .oversampling = stm32h7_adc_oversampling_avail,
352 .oversampling = stm32mp13_adc_oversampling_avail,
926 * Only the oversampling ratios corresponding to 2^ovs_idx are exposed in sysfs. in stm32h7_adc_set_ovs()
927 * Oversampling ratios [2,3,...,1024] are mapped on OVSR register values [1,2,...,1023]. in stm32h7_adc_set_ovs()
[all …]
H A Dat91-sama5d2_adc.c149 /* Extended Mode Register - Oversampling rate */
460 * @osr_mask: oversampling ratio bitmask on EMR register
461 * @oversampling_avail: available oversampling values
462 * @oversampling_avail_no: number of available oversampling values
580 * @saved_oversampling: saved oversampling
853 /* Check against supported oversampling values. */ in at91_adc_config_emr()
861 /* select oversampling ratio from configuration */ in at91_adc_config_emr()
890 /* select oversampling per single trigger event */ in at91_adc_config_emr()
1506 * adjust the values inside the buffer for oversampling in at91_adc_trigger_handler_dma()
1827 * oversampling rate of 256, tracktim=0xf and trackx=1. in at91_adc_temp_sensor_configure()
H A Dadi-axi-adc.c414 * oversampling in REG_CNTRL_3 register. A ratio equal to 1 implies no in axi_adc_ad485x_oversampling_ratio_set()
415 * oversampling, while a value greater than 1 implies oversampling being in axi_adc_ad485x_oversampling_ratio_set()
H A Dmen_z188_adc.c63 "Oversampling error on ADC channel %d\n", in z188_iio_read_raw()
H A Dad4695.c857 /* Using 19 bits per word to allow for possible oversampling */ in ad4695_offload_buffer_postenable()
1309 * the channel's oversampling ratio. in __ad4695_write_raw()
1360 * depends on oversampling ratio, so we need four different in ad4695_read_avail()
1749 * userspace in the future when oversampling support is added, in ad4695_probe_spi_offload()
1752 * bit samples (oversampling ratio == 1). in ad4695_probe_spi_offload()
1760 /* Add the oversampling properties only for voltage channels */ in ad4695_probe_spi_offload()
/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/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/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),
/linux/drivers/iio/humidity/
H A Dhts221_core.c619 dev_err(hw->dev, "failed to set rh oversampling ratio\n"); in hts221_probe()
635 "failed to set temperature oversampling ratio\n"); in hts221_probe()
/linux/crypto/
H A DKconfig1181 int "CPU Jitter RNG Oversampling Rate"
1185 The Jitter RNG allows the specification of an oversampling rate (OSR).
1190 by the OSR factor. The oversampling allows the Jitter RNG to operate
/linux/sound/soc/meson/
H A Daiu-encoder-i2s.c135 /* Get the oversampling factor */ in aiu_encoder_i2s_set_more_div()

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