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/Linux-v5.15/drivers/media/usb/stk1160/
Dstk1160-reg.h35 * Decimation Control Register:
36 * Byte 104: Horizontal Decimation Line Unit Count
37 * Byte 105: Vertical Decimation Line Unit Count
38 * Byte 106: Decimation Control
39 * Bit 0 - Horizontal Decimation Control
40 * 0 Horizontal decimation is disabled.
41 * 1 Horizontal decimation is enabled.
47 * Bit 2 - Vertical Decimation Control
48 * 0 Vertical decimation is disabled.
49 * 1 Vertical decimation is enabled.
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Dstk1160-v4l.c56 * This is required to guarantee valid decimation unit counts.
153 /* Decimation control */ in stk1160_set_fmt()
386 /* Let's set default no decimation values */ in stk1160_try_fmt()
537 /* Calling with NULL disables frame decimation */ in vidioc_s_std()
/Linux-v5.15/arch/arm64/boot/dts/qcom/
Dpm660.dtsi85 qcom,decimation = <1024>;
91 qcom,decimation = <1024>;
97 qcom,decimation = <1024>;
104 qcom,decimation = <1024>;
112 qcom,decimation = <1024>;
120 qcom,decimation = <1024>;
128 qcom,decimation = <1024>;
136 qcom,decimation = <1024>;
144 qcom,decimation = <1024>;
151 qcom,decimation = <1024>;
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/Linux-v5.15/Documentation/devicetree/bindings/iio/adc/
Dqcom,spmi-vadc.yaml86 qcom,decimation:
90 Quicker measurements can be made by reducing decimation ratio.
154 qcom,decimation:
177 qcom,decimation:
200 qcom,decimation:
223 qcom,decimation:
255 qcom,decimation = <512>;
Dqcom,pm8018-adc.yaml81 qcom,decimation:
85 Quicker measurements can be made by reducing the decimation ratio.
Dadi,ad7768-1.yaml47 in any way, for example if the filter decimation rate changes.
/Linux-v5.15/drivers/iio/adc/
Dqcom-spmi-adc5.c74 * Conversion time varies based on the decimation, clock rate, fast average
108 * @decimation: sampling rate supported for the channel.
123 unsigned int decimation; member
231 /* Update decimation ratio select */ in adc5_update_dig_param()
233 *data |= (prop->decimation << ADC5_USR_DIG_PARAM_DEC_RATIO_SEL_SHIFT); in adc5_update_dig_param()
658 ret = of_property_read_u32(node, "qcom,decimation", &value); in adc5_get_dt_channel_data()
660 ret = qcom_adc5_decimation_from_dt(value, data->decimation); in adc5_get_dt_channel_data()
662 dev_err(dev, "%02x invalid decimation %d\n", in adc5_get_dt_channel_data()
666 prop->decimation = ret; in adc5_get_dt_channel_data()
668 prop->decimation = ADC5_DECIMATION_DEFAULT; in adc5_get_dt_channel_data()
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Dqcom-spmi-vadc.c78 * @decimation: sampling rate supported for the channel.
90 unsigned int decimation; member
210 u8 decimation, mode_ctrl; in vadc_configure() local
226 decimation = prop->decimation << VADC_ADC_DIG_DEC_RATIO_SEL_SHIFT; in vadc_configure()
227 ret = vadc_write(vadc, VADC_ADC_DIG_PARAM, decimation); in vadc_configure()
672 ret = of_property_read_u32(node, "qcom,decimation", &value); in vadc_get_dt_channel_data()
676 dev_err(dev, "%02x invalid decimation %d\n", in vadc_get_dt_channel_data()
680 prop->decimation = ret; in vadc_get_dt_channel_data()
682 prop->decimation = VADC_DEF_DECIMATION; in vadc_get_dt_channel_data()
Dqcom-pm8xxx-xoadc.c99 * On a later ADC the decimation factors are defined as
374 * @decimation: 0,1,2,3
382 u8 decimation:2; member
504 /* Decimation factor */ in pm8xxx_read_channel_rsv()
508 ch->decimation << ADC_DIG_PARAM_DEC_SHIFT); in pm8xxx_read_channel_rsv()
776 /* Everyone seems to use default ("type 2") decimation */ in pm8xxx_xoadc_parse_channel()
777 ch->decimation = VADC_DEF_DECIMATION; in pm8xxx_xoadc_parse_channel()
791 /* Optional decimation, if omitted we use the default */ in pm8xxx_xoadc_parse_channel()
792 ret = of_property_read_u32(np, "qcom,decimation", &dec); in pm8xxx_xoadc_parse_channel()
796 dev_err(dev, "%s invalid decimation %d\n", in pm8xxx_xoadc_parse_channel()
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/Linux-v5.15/Documentation/devicetree/bindings/sound/
Dadi,adau7118.yaml35 adi,decimation-ratio:
37 This property set's the decimation ratio of PDM to PCM audio data.
75 adi,decimation-ratio = <16>;
/Linux-v5.15/drivers/thermal/qcom/
Dqcom-spmi-adc-tm5.c83 unsigned int *decimation; member
125 * @decimation: sampling rate supported for the channel.
136 unsigned int decimation; member
143 .decimation = (unsigned int []) { 250, 420, 840 },
398 buf[0] = chip->decimation; in adc_tm5_init()
520 ret = of_property_read_u32(node, "qcom,decimation", &value); in adc_tm5_get_dt_data()
522 ret = qcom_adc5_decimation_from_dt(value, adc_tm->data->decimation); in adc_tm5_get_dt_data()
524 dev_err(dev, "invalid decimation %d\n", value); in adc_tm5_get_dt_data()
527 adc_tm->decimation = ret; in adc_tm5_get_dt_data()
529 adc_tm->decimation = ADC5_DECIMATION_DEFAULT; in adc_tm5_get_dt_data()
/Linux-v5.15/drivers/media/platform/sti/delta/
Ddelta-mjpeg-fw.h74 /* identifies the horizontal decimation factor */
84 /* identifies the vertical decimation factor */
163 * @horizontal_decimation_factor:horizontal decimation factor
164 * @vertical_decimation_factor: vertical decimation factor
/Linux-v5.15/drivers/media/platform/ti-vpe/
Dsc.c59 * input widths, after accounting for up to two levels of decimation
74 dst_w <<= 1; /* first level decimation */ in sc_set_hs_coeffs()
76 dst_w <<= 1; /* second level decimation */ in sc_set_hs_coeffs()
189 /* enable 2X or 4X decimation */ in sc_config_scaler()
206 dev_dbg(dev, "hs config: src_w = %d, dst_w = %d, decimation = %s, lin_acc_inc = %08x\n", in sc_config_scaler()
/Linux-v5.15/include/linux/iio/adc/
Dqcom-vadc-common.h34 /* Default decimation - 1024 for rev2, 840 for pmic5 */
140 unsigned int *decimation; member
170 int qcom_adc5_decimation_from_dt(u32 value, const unsigned int *decimation);
/Linux-v5.15/drivers/video/fbdev/kyro/
DSTG4000OverlayDevice.c45 /* Decimation and Scaling */
105 /* Set Overlay Vt Decimation */ in ResetOverlayRegisters()
361 /************* Vertical decimation/scaling ******************/ in SetOverlayViewPort()
405 …ulVertDecFactor = (63 - ulBits) / (32 - ulBits); /* vertical decimation factor scaled up to neares… in SetOverlayViewPort()
412 tmp = STG_READ_REG(DACOverlayVtDec); /* Decimation */ in SetOverlayViewPort()
417 /***************** Horizontal decimation/scaling ***************************/ in SetOverlayViewPort()
515 * decimation and scaling in SetOverlayViewPort()
/Linux-v5.15/drivers/gpu/drm/msm/disp/dpu1/
Ddpu_hw_util.h222 * @horz_decimate: Horizontal decimation factor
223 * @vert_decimate: Vertical decimation factor
259 * Decimation settings
/Linux-v5.15/Documentation/devicetree/bindings/thermal/
Dqcom-spmi-adc-tm5.yaml44 qcom,decimation:
47 Quicker measurements can be made by reducing decimation ratio.
/Linux-v5.15/drivers/gpu/drm/msm/disp/mdp5/
Dmdp5_smp.c111 * NOTE: looks like if horizontal decimation is used (if we supported that)
113 * decimated width. Ie. SMP buffering sits downstream of decimation (which
139 /* if decimation is enabled, HW decimates less on the in mdp5_smp_calculate()
/Linux-v5.15/drivers/staging/media/atomisp/pci/isp/kernels/vf/vf_1.0/
Dia_css_vf_types.h19 /* Viewfinder decimation
Dia_css_vf_param.h27 /* Viewfinder decimation */
/Linux-v5.15/drivers/media/usb/gspca/
Dstk1135.h18 #define STK1135_REG_DCTRL 0x104 /* Decimation control register */
/Linux-v5.15/drivers/staging/media/zoran/
Dzoran_card.c666 __func__, settings->decimation, settings->hor_dcm, in zoran_check_jpg_settings()
671 /* Check decimation, set default values for decimation = 1, 2, 4 */ in zoran_check_jpg_settings()
672 switch (settings->decimation) { in zoran_check_jpg_settings()
774 pci_err(zr->pci_dev, "%s - error in params for decimation = 0\n", __func__); in zoran_check_jpg_settings()
779 pci_err(zr->pci_dev, "%s - decimation = %d, must be 0, 1, 2 or 4\n", in zoran_check_jpg_settings()
780 __func__, settings->decimation); in zoran_check_jpg_settings()
817 zr->jpg_settings.decimation = 1; in zoran_open_init_params()
Dzr36060.c248 /* horizontal 422 decimation setup (maybe we support 411 or so later, too) */
488 cap->x, cap->y, cap->width, cap->height, cap->decimation); in zr36060_set_video()
494 ptr->width = cap->width / (cap->decimation & 0xff); in zr36060_set_video()
495 ptr->height = cap->height / (cap->decimation >> 8); in zr36060_set_video()
515 switch (cap->decimation & 0xff) { in zr36060_set_video()
529 switch (cap->decimation >> 8) { in zr36060_set_video()
616 * buz can't handle more at decimation=1... Use low_bitrate if in zr36060_set_video()
Dzoran.h154 int decimation; /* this bit is used to set everything to default */ member
155 int hor_dcm, ver_dcm, tmp_dcm; /* capture decimation settings (tmp_dcm=1 means both fields) */
/Linux-v5.15/drivers/staging/media/atomisp/pci/isp/kernels/iterator/iterator_1.0/
Dia_css_iterator.host.c71 /* TODO: Remove this after preview output decimation is fixed in ia_css_iterator_configure()

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