diff options
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/iio/adc/ad7192.c | 14 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7192.h | 37 |
2 files changed, 2 insertions, 49 deletions
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index df06e0570f9b..81ea2639c67c 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -25,8 +25,6 @@ #include <linux/iio/triggered_buffer.h> #include <linux/iio/adc/ad_sigma_delta.h> -#include "ad7192.h" - /* Registers */ #define AD7192_REG_COMM 0 /* Communications Register (WO, 8-bit) */ #define AD7192_REG_STAT 0 /* Status Register (RO, 8-bit) */ @@ -666,16 +664,10 @@ static int ad7192_channels_config(struct iio_dev *indio_dev) static int ad7192_probe(struct spi_device *spi) { - const struct ad7192_platform_data *pdata = dev_get_platdata(&spi->dev); struct ad7192_state *st; struct iio_dev *indio_dev; int ret, voltage_uv = 0; - if (!pdata) { - dev_err(&spi->dev, "no platform data?\n"); - return -ENODEV; - } - if (!spi->irq) { dev_err(&spi->dev, "no IRQ?\n"); return -ENODEV; @@ -713,12 +705,10 @@ static int ad7192_probe(struct spi_device *spi) voltage_uv = regulator_get_voltage(st->avdd); - if (pdata->vref_mv) - st->int_vref_mv = pdata->vref_mv; - else if (voltage_uv) + if (voltage_uv) st->int_vref_mv = voltage_uv / 1000; else - dev_warn(&spi->dev, "reference voltage undefined\n"); + dev_err(&spi->dev, "Device tree error, reference voltage undefined\n"); spi_set_drvdata(spi, indio_dev); st->devid = spi_get_device_id(spi)->driver_data; diff --git a/drivers/staging/iio/adc/ad7192.h b/drivers/staging/iio/adc/ad7192.h deleted file mode 100644 index f3669e1df084..000000000000 --- a/drivers/staging/iio/adc/ad7192.h +++ /dev/null @@ -1,37 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * AD7190 AD7192 AD7195 SPI ADC driver - * - * Copyright 2011 Analog Devices Inc. - */ -#ifndef IIO_ADC_AD7192_H_ -#define IIO_ADC_AD7192_H_ - -/* - * TODO: struct ad7192_platform_data needs to go into include/linux/iio - */ - -/** - * struct ad7192_platform_data - platform/board specific information - * @vref_mv: the external reference voltage in millivolt - * @clock_source_sel: [0..3] - * 0 External 4.92 MHz clock connected from MCLK1 to MCLK2 - * 1 External Clock applied to MCLK2 - * 2 Internal 4.92 MHz Clock not available at the MCLK2 pin - * 3 Internal 4.92 MHz Clock available at the MCLK2 pin - * @ext_clk_Hz: the external clock frequency in Hz, if not set - * the driver uses the internal clock (16.776 MHz) - * @refin2_en: REFIN1/REFIN2 Reference Select (AD7190/2 only) - * @rej60_en: 50/60Hz notch filter enable - * @sinc3_en: SINC3 filter enable (default SINC4) - * @chop_en: CHOP mode enable - * @buf_en: buffered input mode enable - * @unipolar_en: unipolar mode enable - * @burnout_curr_en: constant current generators on AIN(+|-) enable - */ - -struct ad7192_platform_data { - u16 vref_mv; -}; - -#endif /* IIO_ADC_AD7192_H_ */ |