| /openbmc/linux/drivers/iio/adc/ |
| H A D | ad7606.h | 46 * oversampling ratios.
48 * @os_req_reset some devices require a reset to update oversampling
67 * @oversampling oversampling selection
73 * oversampling ratios.
85 * @gpio_os GPIO descriptors to control oversampling on the device
96 unsigned int oversampling; member
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| H A D | stm32-dfsdm-adc.c | 36 /* Oversampling attribute default */
39 /* Oversampling max values */
202 pr_debug("Requested oversampling: %d\n", oversamp); in stm32_dfsdm_compute_osrs()
204 * This function tries to compute filter oversampling and integrator in stm32_dfsdm_compute_osrs()
205 * oversampling, base on oversampling ratio requested by user. in stm32_dfsdm_compute_osrs()
207 * Decimation d depends on the filter order and the oversampling ratios. in stm32_dfsdm_compute_osrs()
218 * Look for filter and integrator oversampling ratios which allows in stm32_dfsdm_compute_osrs()
511 /* Average integrator oversampling */ in stm32_dfsdm_filter_configure()
517 /* Filter order and Oversampling */ in stm32_dfsdm_filter_configure()
1385 * IIO_CHAN_INFO_OVERSAMPLING_RATIO: used to set oversampling in stm32_dfsdm_adc_chan_init_one()
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| H A D | stm32-dfsdm.h | 268 * 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
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| H A D | ad7606.c | 171 *val = st->oversampling; in ad7606_read_raw()
265 st->oversampling = st->oversampling_avail[i]; in ad7606_write_raw()
438 "adi,oversampling-ratio", in ad7606_request_gpios()
557 st->oversampling = 1; in ad7606_probe()
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| H A D | ad7606_spi.c | 256 * Software mode is enabled when all three oversampling in ad7606B_sw_mode_config()
257 * pins are set to high. If oversampling gpios are defined in ad7606B_sw_mode_config()
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| /openbmc/linux/Documentation/devicetree/bindings/iio/adc/ |
| H A D | ti,tsc2046.yaml | 56 oversampling-ratio: true
91 oversampling-ratio = <5>;
99 oversampling-ratio = <5>;
104 oversampling-ratio = <5>;
109 oversampling-ratio = <5>;
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| H A D | adi,ad7606.yaml | 81 adi,oversampling-ratio-gpios:
91 It is enabled when all three oversampling mode pins are connected to
93 adi,oversampling-ratio-gpios property is defined, then the driver will set the
94 oversampling gpios to high. Otherwise, it is assumed that the pins are hardwired
134 adi,oversampling-ratio-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>,
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| H A D | adc.yaml | 46 oversampling-ratio:
49 Oversampling is used as replacement of or addition to the low-pass filter.
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| /openbmc/linux/arch/arm/boot/dts/nxp/imx/ |
| H A D | imx6qdl-skov-cpu-revc.dtsi | 39 oversampling-ratio = <5>;
45 oversampling-ratio = <5>;
51 oversampling-ratio = <5>;
57 oversampling-ratio = <5>;
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| H A D | imx6dl-plym2m.dts | 242 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>;
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| H A D | imx6dl-victgo.dts | 190 oversampling-ratio = <5>;
196 oversampling-ratio = <5>;
202 oversampling-ratio = <5>;
208 oversampling-ratio = <5>;
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| H A D | imx6dl-prtvt7.dts | 380 oversampling-ratio = <5>;
386 oversampling-ratio = <5>;
392 oversampling-ratio = <5>;
398 oversampling-ratio = <5>;
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| /openbmc/linux/Documentation/misc-devices/ |
| H A D | oxsemi-tornado.rst | 14 value from 1 to 65535. Finally a programmable oversampling rate is used
19 By default the oversampling rate is set to 16 and the clock prescaler is
26 The oversampling rate is programmed with the TCR register and the clock
44 from the requested rate (d), and the values of the oversampling rate
93 used by encoding the values for, the prescaler, the oversampling rate
109 oversampling rate to 16 and prescaler values below 1 in CPR2/CPR are
114 the oversampling rate and the clock divisor of 62.500, 16 and 1250
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| /openbmc/u-boot/drivers/serial/ |
| H A D | serial_stm32.c | 23 u32 int_div, mantissa, fraction, oversampling; in _stm32_serial_setbrg() local
28 oversampling = 8; in _stm32_serial_setbrg()
31 oversampling = 16; in _stm32_serial_setbrg()
35 mantissa = (int_div / oversampling) << USART_BRR_M_SHIFT; in _stm32_serial_setbrg()
36 fraction = int_div % oversampling; in _stm32_serial_setbrg()
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| H A D | serial_mvebu_a3700.c | 80 * Set Programmable Oversampling Stack to 0, in mvebu_serial_setbrg()
156 * Set Programmable Oversampling Stack to 0, in _debug_uart_init()
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| /openbmc/linux/include/media/i2c/ |
| H A D | adv7343.h | 20 * @pll_control: PLL and oversampling control. This control allows internal
21 * PLL 1 circuit to be powered down and the oversampling to be
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| /openbmc/linux/Documentation/devicetree/bindings/media/i2c/ |
| H A D | adv7343.txt | 16 - adi,power-mode-pll-ctrl: PLL and oversampling control. This control allows
18 oversampling to be switched off.
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| /openbmc/linux/drivers/gpu/drm/i915/display/ |
| H A D | intel_tv_regs.h | 30 /* 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:
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| /openbmc/linux/drivers/iio/chemical/ |
| H A D | bme680_core.c | 548 * (Sum of oversampling ratios * time per oversampling) + in bme680_wait_for_eoc()
585 * Highly recommended to set oversampling of humidity before in bme680_chip_config()
586 * temperature/pressure oversampling. in bme680_chip_config()
986 data->oversampling_humid = 2; /* 2X oversampling rate */ in bme680_core_probe()
987 data->oversampling_press = 4; /* 4X oversampling rate */ in bme680_core_probe()
988 data->oversampling_temp = 8; /* 8X oversampling rate */ in bme680_core_probe()
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| /openbmc/linux/drivers/iio/pressure/ |
| H A D | ms5611.h | 27 * OverSampling Rate descriptor.
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| H A D | mpl3115.c | 9 * TODO: FIFO buffer, altimeter mode, oversampling, continuous mode,
36 #define MPL3115_CTRL_OS_258MS (BIT(5) | BIT(4)) /* 64x oversampling */
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| /openbmc/linux/drivers/input/touchscreen/ |
| H A D | mxs-lradc-ts.c | 109 * 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()
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| /openbmc/linux/include/soc/fsl/qe/ |
| H A D | ucc_slow.h | 97 /* UCC Slow oversampling rate for transmitter (TDCR) */
109 /* UCC Slow Oversampling rate for receiver (RDCR)
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| /openbmc/linux/drivers/spi/ |
| H A D | spi-geni-qcom.c | 96 unsigned int oversampling; member
126 speed_hz * mas->oversampling, in get_spi_clk_cfg()
134 *clk_div = DIV_ROUND_UP(sclk_freq, mas->oversampling * speed_hz); in get_spi_clk_cfg()
135 actual_hz = sclk_freq / (mas->oversampling * *clk_div); in get_spi_clk_cfg()
687 mas->oversampling = 2; in spi_geni_init()
689 mas->oversampling = 1; in spi_geni_init()
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| /openbmc/linux/Documentation/sound/soc/ |
| H A D | overview.rst | 24 power via changing codec oversampling rates, bias currents, etc.
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