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/openbmc/linux/drivers/isdn/mISDN/
H A Ddsp_ecdis.h19 struct biquad2_state notch; member
35 /* Elliptic notch */ in echo_can_disable_detector_init()
37 to the asymmetric walls of the notch */ in echo_can_disable_detector_init()
38 biquad2_init(&det->notch, in echo_can_disable_detector_init()
60 notched = biquad2(&det->notch, amp); in echo_can_disable_detector_update()
62 the notch (i.e. overall channel energy - tone energy => noise). in echo_can_disable_detector_update()
65 Damp the notch energy a little less, so we don't damp out the in echo_can_disable_detector_update()
73 /* The notch says yes, so we have the tone. */ in echo_can_disable_detector_update()
/openbmc/linux/Documentation/devicetree/bindings/iio/adc/
H A Dadi,ad7192.yaml55 This bit enables a notch at 60 Hz when the first notch of the sinc
56 filter is at 50 Hz. When REJ60 is set, a filter notch is placed at
57 60 Hz when the sinc filter first notch is at 50 Hz. This allows
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-adc-max114106 Enable or disable a notch filter.
13 Center frequency of the notch filter in Hz.
/openbmc/linux/sound/soc/codecs/
H A Dwm8940.c12 * Notch filter control
120 { 0x10, 0x0000 }, /* Notch Filter 1 Control 1 */
121 { 0x11, 0x0000 }, /* Notch Filter 1 Control 2 */
122 { 0x12, 0x0000 }, /* Notch Filter 2 Control 1 */
123 { 0x13, 0x0000 }, /* Notch Filter 2 Control 2 */
124 { 0x14, 0x0000 }, /* Notch Filter 3 Control 1 */
125 { 0x15, 0x0000 }, /* Notch Filter 3 Control 2 */
126 { 0x16, 0x0000 }, /* Notch Filter 4 Control 1 */
127 { 0x17, 0x0000 }, /* Notch Filter 4 Control 2 */
H A Dwm8985.c72 { 27, 0x0000 }, /* R27 - Notch Filter 1 */
73 { 28, 0x0000 }, /* R28 - Notch Filter 2 */
74 { 29, 0x0000 }, /* R29 - Notch Filter 3 */
75 { 30, 0x0000 }, /* R30 - Notch Filter 4 */
H A Dwm8983.c52 { 0x1B, 0x0000 }, /* R27 - Notch Filter 1 */
53 { 0x1C, 0x0000 }, /* R28 - Notch Filter 2 */
54 { 0x1D, 0x0000 }, /* R29 - Notch Filter 3 */
55 { 0x1E, 0x0000 }, /* R30 - Notch Filter 4 */
H A Dmax9860.c167 "Elliptical HP 217Hz notch (16kHz)",
169 "Elliptical HP 217Hz notch (8kHz)",
H A Dwm8985.h514 * R27 (0x1B) - Notch Filter 1
529 * R28 (0x1C) - Notch Filter 2
540 * R29 (0x1D) - Notch Filter 3
551 * R30 (0x1E) - Notch Filter 4
H A Dwm8983.h502 * R27 (0x1B) - Notch Filter 1
517 * R28 (0x1C) - Notch Filter 2
528 * R29 (0x1D) - Notch Filter 3
539 * R30 (0x1E) - Notch Filter 4
H A Dcs53l30.c307 SOC_SINGLE("ADC1 Notch Filter Switch", CS53L30_ADCDMIC1_CTL2,
309 SOC_SINGLE("ADC2 Notch Filter Switch", CS53L30_ADCDMIC2_CTL2,
H A Des8316.c104 SOC_SINGLE("DAC Notch Filter Switch", ES8316_DAC_SET2, 6, 1, 0),
/openbmc/linux/drivers/media/rc/keymaps/
H A Drc-medion-x10-digitainer.c29 { 0x78, KEY_UP }, /* scrollwheel up 1 notch */
32 { 0x70, KEY_DOWN }, /* scrollwheel down 1 notch */
/openbmc/linux/drivers/staging/rtl8192u/
H A Dr819xU_phyreg.h54 #define rOFDM0_XARxAFE 0xc10 /* RxIQ DC offset, Rx digital filter, DC notch filter */
H A Dr8192U.h640 /* Rx IQ DC offset and Rx digital filter, Rx DC notch filter:
/openbmc/linux/Documentation/devicetree/bindings/iio/temperature/
H A Dadi,ltc2983.yaml71 adi,filter-notch-freq:
73 Notch frequency of the digital filter.
/openbmc/linux/Documentation/gpu/
H A Dintroduction.rst77 Anyone looking to kick it up a notch can find a list of janitorial tasks on
/openbmc/linux/drivers/net/wireless/realtek/rtw88/
H A Drtw8723d.c410 static void rtw8723d_cfg_notch(struct rtw_dev *rtwdev, u8 channel, bool notch) in rtw8723d_cfg_notch() argument
412 if (!notch) { in rtw8723d_cfg_notch()
451 bool notch; in rtw8723d_spur_cal() local
458 notch = rtw8723d_check_spur_ov_thres(rtwdev, channel, SPUR_THRES); in rtw8723d_spur_cal()
459 rtw8723d_cfg_notch(rtwdev, channel, notch); in rtw8723d_spur_cal()
/openbmc/linux/drivers/net/wireless/realtek/rtw89/
H A Drtw8852c.c1317 u32 notch; in rtw8852c_spur_notch() local
1321 notch = R_PATH0_NOTCH; in rtw8852c_spur_notch()
1324 notch = R_PATH1_NOTCH; in rtw8852c_spur_notch()
1328 rtw89_phy_write32_mask(rtwdev, notch, in rtw8852c_spur_notch()
1330 rtw89_phy_write32_set(rtwdev, notch, B_PATH0_NOTCH_EN); in rtw8852c_spur_notch()
/openbmc/linux/drivers/media/tuners/
H A Dtda18271-fe.c65 regs[R_MPD] &= ~0x80; /* IF notch = 0 */ in tda18271_set_if_notch()
68 regs[R_MPD] |= 0x80; /* IF notch = 1 */ in tda18271_set_if_notch()
H A Dtda8290.c148 { { 0x03, 0x48} }, /* Disable NOTCH and VIDEO filters */
/openbmc/linux/drivers/media/dvb-frontends/
H A Ddib7000p.c1191 static const s16 notch[] = { 16143, 14402, 12238, 9713, 6902, 3888, 759, -2392 }; in dib7000p_spur_protect() local
1256 coef_re[k] *= notch[k]; in dib7000p_spur_protect()
1262 coef_im[k] *= notch[k]; in dib7000p_spur_protect()
H A Dlgdt3306a.c1120 /* Adjust Notch Filter */ in lgdt3306a_monitor_vsb()
1125 if (nCombDet == 0) { /* Turn on the Notch Filter */ in lgdt3306a_monitor_vsb()
/openbmc/linux/drivers/staging/rtl8712/
H A Drtl871x_mp_phy_regdef.h191 /*RxIQ DC offset, Rx digital filter, DC notch filter */
/openbmc/linux/drivers/iio/adc/
H A Dad7192.c68 #define AD7192_MODE_REJ60 BIT(10) /* 50/60Hz notch filter */
/openbmc/linux/drivers/staging/rtl8723bs/include/
H A DHal8192CPhyReg.h206 #define rOFDM0_XARxAFE 0xc10 /* RxIQ DC offset, Rx digital filter, DC notch filter */

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