AuxXxilium/linux_dsm_epyc7002
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12c8398d80
linux_dsm_epyc7002/drivers/iio/adc
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Olivier Moysan 12c8398d80 iio: adc: stm32-dfsdm: fix output resolution 
In buffered mode, output samples are shifted left
unconditionally. This works for filter order 3,
but this shift is not adapted for other filter orders.
Compute required shift, left or right, and shift
output data accordingly.
Add also saturation management to avoid wrap-around
when maximum positive sample is reached.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Fixes: eca949800d ("IIO: ADC: add stm32 DFSDM support for PDM microphone")
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-06-22 10:18:51 +01:00
..
ad799x.c drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
ad7124.c iio: adc: ad7124 fix indentation issue, remove extra tab 2019-04-04 20:19:59 +01:00
ad7266.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ad7291.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ad7298.c drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
ad7476.c iio: adc: ad7476: Add support for TI ADS786X ADCs 2019-02-09 18:46:02 +00:00
ad7606_par.c staging: iio: adc: ad7606: Move out of staging 2019-01-05 16:10:59 +00:00
ad7606_spi.c iio: adc: ad7616: Add support for AD7616 ADC 2019-04-14 13:22:29 +01:00
ad7606.c iio: adc: ad7606: Add software configuration 2019-06-16 16:45:22 +01:00
ad7606.h iio: adc: ad7606: Add software configuration 2019-06-16 16:45:22 +01:00
ad7766.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ad7768-1.c iio: adc: ad7768-1: Add support for setting the sampling frequency 2019-02-09 18:46:01 +00:00
ad7780.c iio: adc: ad7780: Add parentheses to macros 2019-04-04 20:20:30 +01:00
ad7791.c iio: adc: ad7791: implement IIO_CHAN_INFO_SAMP_FREQ 2018-03-17 20:47:21 +00:00
ad7793.c drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
ad7887.c drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
ad7923.c iio:adc:ad7923: Rewrite comparison to NULL 2019-04-04 20:19:46 +01:00
ad7949.c iio:adc:ad7949: Add AD7949 ADC driver family 2018-11-03 09:44:34 +00:00
ad_sigma_delta.c iio: ad_sigma_delta: return directly in ad_sd_buffer_postenable() 2019-06-17 21:06:48 +01:00
aspeed_adc.c iio: adc: aspeed: Fix error handling path 2018-01-14 11:01:13 +00:00
at91_adc.c iio: adc: at91: Use dev_get_drvdata() 2019-04-27 13:07:12 +01:00
at91-sama5d2_adc.c iio: adc: at91: Use dev_get_drvdata() 2019-04-27 13:07:12 +01:00
axp20x_adc.c iio: adc: axp20x_adc: remove !! in favor of ternary condition 2018-02-24 12:19:45 +00:00
axp288_adc.c iio: adc: axp288: Fix TS-pin handling 2019-01-12 17:09:55 +00:00
bcm_iproc_adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
berlin2-adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
cc10001_adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
cpcap-adc.c iio: adc: cpcap: fix incorrect validation 2017-12-02 11:15:13 +00:00
da9150-gpadc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
dln2-adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
envelope-detector.c iio: envelope-detector: switch to SPDX license identifier 2018-08-20 19:27:05 +01:00
ep93xx_adc.c iio: ep93xx: remove redundant return value check of platform_get_resource() 2018-01-30 18:33:20 +00:00
exynos_adc.c iio: adc: exynos-adc: Use proper number of channels for Exynos4x12 2019-02-12 20:56:00 +00:00
fsl-imx25-gcq.c iio: adc: imx25-gcq: Fix leak of device_node in mx25_gcq_setup_cfgs() 2018-09-22 10:19:51 +01:00
hi8435.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
hx711.c iio: hx711: add delay until DOUT is ready 2018-07-15 09:36:38 +01:00
imx7d_adc.c iio: imx7d_adc: Remove unneeded 'average_en' member 2019-06-17 21:06:44 +01:00
ina2xx-adc.c iio: adc: ina2xx: add in early -EINVAL returns in case statements 2018-10-21 15:43:11 +01:00
ingenic-adc.c iio: adc: ingenic: remove redundant dev_err call in ingenic_adc_probe() 2019-04-04 20:19:40 +01:00
Kconfig iio: adc: xilinx: support all platforms 2019-06-17 21:06:49 +01:00
lp8788_adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
lpc18xx_adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
lpc32xx_adc.c iio: adc: lpc32xx: Add scale feature 2019-04-04 20:20:02 +01:00
ltc2471.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ltc2485.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ltc2497.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
Makefile iio: adc: Add driver for the TI ADS8344 A/DC chips 2019-04-22 11:34:13 +01:00
max1027.c treewide: devm_kmalloc() -> devm_kmalloc_array() 2018-06-12 16:19:22 -07:00
max1118.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
max1363.c iio: adc: max1363: merge calls to of_match_device and of_device_get_match_data 2018-07-08 10:35:17 +01:00
max9611.c iio: adc: max9611: convert to SPDX identifiers 2018-11-16 18:32:27 +00:00
max11100.c iio: adc: max11100: convert to SPDX identifiers 2018-11-16 18:32:27 +00:00
mcp320x.c iio: adc: mcp320x: Add support for mcp3550/1/3 2017-10-09 21:01:36 +01:00
mcp3422.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
mcp3911.c iio: adc: add support for mcp3911 2018-08-19 20:02:48 +01:00
men_z188_adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
meson_saradc.c iio: adc: meson_saradc: update with SPDX Licence identifier 2019-06-16 16:45:21 +01:00
mt6577_auxadc.c iio: adc: mediatek: mt6577-auxadc, add mt6765 support 2019-05-19 09:18:30 +01:00
mxs-lradc-adc.c iio: adc: fix a potential NULL pointer dereference 2019-04-04 20:19:53 +01:00
nau7802.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
npcm_adc.c iio: adc: add NPCM ADC driver 2019-01-19 18:58:54 +00:00
palmas_gpadc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
qcom-pm8xxx-xoadc.c iio: adc: fix warning in Qualcomm PM8xxx HK/XOADC driver 2019-03-06 15:41:29 -08:00
qcom-spmi-adc5.c iio: adc: qcom-spmi-adc5: Fix of-based module autoloading 2019-04-22 11:51:29 +01:00
qcom-spmi-iadc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
qcom-spmi-vadc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
qcom-vadc-common.c iio: adc: Add QCOM SPMI PMIC5 ADC driver 2018-08-18 18:11:43 +01:00
qcom-vadc-common.h iio: adc: Add QCOM SPMI PMIC5 ADC driver 2018-08-18 18:11:43 +01:00
rcar-gyroadc.c iio: adc: rcar-gyroadc: Remove devm_iio_device_alloc() error printing 2019-05-05 12:51:07 +01:00
rockchip_saradc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
sc27xx_adc.c iio: adc: sc27xx: Add ADC data conversion timeout 2018-11-16 18:32:32 +00:00
sd_adc_modulator.c IIO: ADC: add sigma delta modulator support 2018-01-10 10:30:09 +00:00
spear_adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
stm32-adc-core.c iio: adc: stm32-adc: add power management support 2018-11-25 13:15:24 +00:00
stm32-adc-core.h iio: stm32: Adopt SPDX identifier 2018-01-08 16:03:41 +01:00
stm32-adc.c iio: adc: stm32-adc: switch off running adc when going to low power 2018-11-25 13:16:38 +00:00
stm32-dfsdm-adc.c iio: adc: stm32-dfsdm: fix output resolution 2019-06-22 10:18:51 +01:00
stm32-dfsdm-core.c iio: adc: stm32-dfsdm: missing error case during probe 2019-04-27 14:09:28 +01:00
stm32-dfsdm.h iio: adc: stm32-dfsdm: fix output resolution 2019-06-22 10:18:51 +01:00
stmpe-adc.c iio: stmpe-adc: Reset possible interrupts 2019-05-11 11:18:34 +01:00
stx104.c iio: stx104: Implement get_multiple callback 2018-03-17 16:21:27 +00:00
sun4i-gpadc-iio.c iio: adc: sun4i-gpadc-iio convert to SPDX license tags 2019-05-18 09:55:01 +01:00
ti_am335x_adc.c iio: adc: ti_am335x_tscadc: Improve accuracy of measurement 2018-12-03 11:33:20 +00:00
ti-adc081c.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ti-adc084s021.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ti-adc108s102.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ti-adc128s052.c iio: adc128s052: use SPDX-License-Identifier 2018-11-03 09:44:33 +00:00
ti-adc161s626.c iio: add SPDX identifier for various drivers 2018-02-18 11:55:19 +00:00
ti-adc0832.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
ti-adc12138.c iio: adc: adc12138: make array ch_to_mux static, makes object code smaller 2017-10-21 17:56:09 +01:00
ti-ads124s08.c iio: adc: ads124s08: fix spelling mistake "converions" -> "conversions" 2019-02-09 18:46:03 +00:00
ti-ads1015.c Merge 4.14-rc4 into staging-next 2017-10-09 09:02:35 +02:00
ti-ads7950.c iio: adc: ti-ads7950: add GPIO support 2019-04-04 20:19:53 +01:00
ti-ads8344.c iio: adc: Add driver for the TI ADS8344 A/DC chips 2019-04-22 11:34:13 +01:00
ti-ads8688.c iio: adc: ti-ads8688: Update the module author email address 2019-04-04 20:19:53 +01:00
ti-tlc4541.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
twl4030-madc.c Merge 4.14-rc4 into staging-next 2017-10-09 09:02:35 +02:00
twl6030-gpadc.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
vf610_adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
viperboard_adc.c iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:22:25 +01:00
xilinx-xadc-core.c iio: adc: xilinx: prevent touching unclocked h/w on remove 2019-03-16 15:49:56 +00:00
xilinx-xadc-events.c iio: adc: xadc: Fix coding style violations 2017-08-12 13:10:30 +01:00
xilinx-xadc.h iio: adc: xilinx: Remove platform_get_irq from xadc_remove function 2018-07-29 12:52:21 +01:00