Staging/IIO fixes for 4.4-rc2
Here are some staging and iio driver fixes for 4.4-rc2. All of these are in response to issues that have been reported and have been in linux-next for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlZSCfgACgkQMUfUDdst+yn0cwCeI7I/i1MUaiequc4gSOoElqfa RCYAnj+PTk+BcbACs0mgZKbYuEEd1eVT =nUNA -----END PGP SIGNATURE----- Merge tag 'staging-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/IIO fixes from Greg KH: "Here are some staging and iio driver fixes for 4.4-rc2. All of these are in response to issues that have been reported and have been in linux-next for a while" * tag 'staging-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: Revert "Staging: wilc1000: coreconfigurator: Drop unneeded wrapper functions" iio: adc: xilinx: Fix VREFN scale iio: si7020: Swap data byte order iio: adc: vf610_adc: Fix division by zero error iio:ad7793: Fix ad7785 product ID iio: ad5064: Fix ad5629/ad5669 shift iio:ad5064: Make sure ad5064_i2c_write() returns 0 on success iio: lpc32xx_adc: fix warnings caused by enabling unprepared clock staging: iio: select IRQ_WORK for IIO_DUMMY_EVGEN vf610_adc: Fix internal temperature calculation
This commit is contained in:
commit
7f21739301
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@ -101,7 +101,7 @@
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#define AD7795_CH_AIN1M_AIN1M 8 /* AIN1(-) - AIN1(-) */
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/* ID Register Bit Designations (AD7793_REG_ID) */
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#define AD7785_ID 0xB
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#define AD7785_ID 0x3
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#define AD7792_ID 0xA
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#define AD7793_ID 0xB
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#define AD7794_ID 0xF
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@ -106,6 +106,13 @@
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#define DEFAULT_SAMPLE_TIME 1000
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/* V at 25°C of 696 mV */
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#define VF610_VTEMP25_3V0 950
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/* V at 25°C of 699 mV */
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#define VF610_VTEMP25_3V3 867
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/* Typical sensor slope coefficient at all temperatures */
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#define VF610_TEMP_SLOPE_COEFF 1840
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enum clk_sel {
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VF610_ADCIOC_BUSCLK_SET,
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VF610_ADCIOC_ALTCLK_SET,
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@ -197,6 +204,8 @@ static inline void vf610_adc_calculate_rates(struct vf610_adc *info)
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adc_feature->clk_div = 8;
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}
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adck_rate = ipg_rate / adc_feature->clk_div;
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/*
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* Determine the long sample time adder value to be used based
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* on the default minimum sample time provided.
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@ -221,7 +230,6 @@ static inline void vf610_adc_calculate_rates(struct vf610_adc *info)
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* BCT (Base Conversion Time): fixed to 25 ADCK cycles for 12 bit mode
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* LSTAdder(Long Sample Time): 3, 5, 7, 9, 13, 17, 21, 25 ADCK cycles
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*/
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adck_rate = ipg_rate / info->adc_feature.clk_div;
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for (i = 0; i < ARRAY_SIZE(vf610_hw_avgs); i++)
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info->sample_freq_avail[i] =
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adck_rate / (6 + vf610_hw_avgs[i] *
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@ -663,11 +671,13 @@ static int vf610_read_raw(struct iio_dev *indio_dev,
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break;
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case IIO_TEMP:
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/*
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* Calculate in degree Celsius times 1000
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* Using sensor slope of 1.84 mV/°C and
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* V at 25°C of 696 mV
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*/
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*val = 25000 - ((int)info->value - 864) * 1000000 / 1840;
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* Calculate in degree Celsius times 1000
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* Using the typical sensor slope of 1.84 mV/°C
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* and VREFH_ADC at 3.3V, V at 25°C of 699 mV
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*/
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*val = 25000 - ((int)info->value - VF610_VTEMP25_3V3) *
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1000000 / VF610_TEMP_SLOPE_COEFF;
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break;
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default:
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mutex_unlock(&indio_dev->mlock);
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@ -841,6 +841,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev,
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case XADC_REG_VCCINT:
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case XADC_REG_VCCAUX:
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case XADC_REG_VREFP:
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case XADC_REG_VREFN:
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case XADC_REG_VCCBRAM:
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case XADC_REG_VCCPINT:
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case XADC_REG_VCCPAUX:
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@ -113,12 +113,16 @@ enum ad5064_type {
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ID_AD5065,
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ID_AD5628_1,
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ID_AD5628_2,
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ID_AD5629_1,
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ID_AD5629_2,
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ID_AD5648_1,
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ID_AD5648_2,
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ID_AD5666_1,
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ID_AD5666_2,
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ID_AD5668_1,
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ID_AD5668_2,
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ID_AD5669_1,
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ID_AD5669_2,
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};
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static int ad5064_write(struct ad5064_state *st, unsigned int cmd,
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@ -291,7 +295,7 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
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{ },
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};
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#define AD5064_CHANNEL(chan, addr, bits) { \
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#define AD5064_CHANNEL(chan, addr, bits, _shift) { \
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.type = IIO_VOLTAGE, \
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.indexed = 1, \
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.output = 1, \
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@ -303,36 +307,39 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
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.sign = 'u', \
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.realbits = (bits), \
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.storagebits = 16, \
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.shift = 20 - bits, \
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.shift = (_shift), \
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}, \
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.ext_info = ad5064_ext_info, \
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}
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#define DECLARE_AD5064_CHANNELS(name, bits) \
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#define DECLARE_AD5064_CHANNELS(name, bits, shift) \
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const struct iio_chan_spec name[] = { \
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AD5064_CHANNEL(0, 0, bits), \
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AD5064_CHANNEL(1, 1, bits), \
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AD5064_CHANNEL(2, 2, bits), \
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AD5064_CHANNEL(3, 3, bits), \
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AD5064_CHANNEL(4, 4, bits), \
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AD5064_CHANNEL(5, 5, bits), \
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AD5064_CHANNEL(6, 6, bits), \
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AD5064_CHANNEL(7, 7, bits), \
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AD5064_CHANNEL(0, 0, bits, shift), \
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AD5064_CHANNEL(1, 1, bits, shift), \
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AD5064_CHANNEL(2, 2, bits, shift), \
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AD5064_CHANNEL(3, 3, bits, shift), \
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AD5064_CHANNEL(4, 4, bits, shift), \
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AD5064_CHANNEL(5, 5, bits, shift), \
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AD5064_CHANNEL(6, 6, bits, shift), \
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AD5064_CHANNEL(7, 7, bits, shift), \
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}
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#define DECLARE_AD5065_CHANNELS(name, bits) \
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#define DECLARE_AD5065_CHANNELS(name, bits, shift) \
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const struct iio_chan_spec name[] = { \
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AD5064_CHANNEL(0, 0, bits), \
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AD5064_CHANNEL(1, 3, bits), \
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AD5064_CHANNEL(0, 0, bits, shift), \
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AD5064_CHANNEL(1, 3, bits, shift), \
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}
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static DECLARE_AD5064_CHANNELS(ad5024_channels, 12);
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static DECLARE_AD5064_CHANNELS(ad5044_channels, 14);
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static DECLARE_AD5064_CHANNELS(ad5064_channels, 16);
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static DECLARE_AD5064_CHANNELS(ad5024_channels, 12, 8);
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static DECLARE_AD5064_CHANNELS(ad5044_channels, 14, 6);
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static DECLARE_AD5064_CHANNELS(ad5064_channels, 16, 4);
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static DECLARE_AD5065_CHANNELS(ad5025_channels, 12);
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static DECLARE_AD5065_CHANNELS(ad5045_channels, 14);
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static DECLARE_AD5065_CHANNELS(ad5065_channels, 16);
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static DECLARE_AD5065_CHANNELS(ad5025_channels, 12, 8);
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static DECLARE_AD5065_CHANNELS(ad5045_channels, 14, 6);
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static DECLARE_AD5065_CHANNELS(ad5065_channels, 16, 4);
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static DECLARE_AD5064_CHANNELS(ad5629_channels, 12, 4);
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static DECLARE_AD5064_CHANNELS(ad5669_channels, 16, 0);
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static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {
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[ID_AD5024] = {
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.channels = ad5024_channels,
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.num_channels = 8,
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},
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[ID_AD5629_1] = {
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.shared_vref = true,
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.internal_vref = 2500000,
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.channels = ad5629_channels,
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.num_channels = 8,
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},
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[ID_AD5629_2] = {
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.shared_vref = true,
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.internal_vref = 5000000,
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.channels = ad5629_channels,
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.num_channels = 8,
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},
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[ID_AD5648_1] = {
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.shared_vref = true,
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.internal_vref = 2500000,
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.channels = ad5064_channels,
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.num_channels = 8,
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},
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[ID_AD5669_1] = {
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.shared_vref = true,
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.internal_vref = 2500000,
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.channels = ad5669_channels,
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.num_channels = 8,
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},
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[ID_AD5669_2] = {
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.shared_vref = true,
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.internal_vref = 5000000,
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.channels = ad5669_channels,
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.num_channels = 8,
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},
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};
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static inline unsigned int ad5064_num_vref(struct ad5064_state *st)
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unsigned int addr, unsigned int val)
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{
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struct i2c_client *i2c = to_i2c_client(st->dev);
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int ret;
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st->data.i2c[0] = (cmd << 4) | addr;
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put_unaligned_be16(val, &st->data.i2c[1]);
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return i2c_master_send(i2c, st->data.i2c, 3);
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ret = i2c_master_send(i2c, st->data.i2c, 3);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int ad5064_i2c_probe(struct i2c_client *i2c,
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}
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static const struct i2c_device_id ad5064_i2c_ids[] = {
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{"ad5629-1", ID_AD5628_1},
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{"ad5629-2", ID_AD5628_2},
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{"ad5629-3", ID_AD5628_2}, /* similar enough to ad5629-2 */
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{"ad5669-1", ID_AD5668_1},
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{"ad5669-2", ID_AD5668_2},
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{"ad5669-3", ID_AD5668_2}, /* similar enough to ad5669-2 */
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{"ad5629-1", ID_AD5629_1},
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{"ad5629-2", ID_AD5629_2},
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{"ad5629-3", ID_AD5629_2}, /* similar enough to ad5629-2 */
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{"ad5669-1", ID_AD5669_1},
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{"ad5669-2", ID_AD5669_2},
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{"ad5669-3", ID_AD5669_2}, /* similar enough to ad5669-2 */
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{}
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};
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MODULE_DEVICE_TABLE(i2c, ad5064_i2c_ids);
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@ -50,10 +50,10 @@ static int si7020_read_raw(struct iio_dev *indio_dev,
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switch (mask) {
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case IIO_CHAN_INFO_RAW:
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ret = i2c_smbus_read_word_data(*client,
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chan->type == IIO_TEMP ?
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SI7020CMD_TEMP_HOLD :
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SI7020CMD_RH_HOLD);
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ret = i2c_smbus_read_word_swapped(*client,
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chan->type == IIO_TEMP ?
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SI7020CMD_TEMP_HOLD :
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SI7020CMD_RH_HOLD);
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if (ret < 0)
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return ret;
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*val = ret >> 2;
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@ -18,7 +18,8 @@ source "drivers/staging/iio/resolver/Kconfig"
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source "drivers/staging/iio/trigger/Kconfig"
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config IIO_DUMMY_EVGEN
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tristate
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tristate
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select IRQ_WORK
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config IIO_SIMPLE_DUMMY
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tristate "An example driver with no hardware requirements"
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@ -76,7 +76,7 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev,
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if (mask == IIO_CHAN_INFO_RAW) {
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mutex_lock(&indio_dev->mlock);
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clk_enable(info->clk);
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clk_prepare_enable(info->clk);
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/* Measurement setup */
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__raw_writel(AD_INTERNAL | (chan->address) | AD_REFp | AD_REFm,
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LPC32XX_ADC_SELECT(info->adc_base));
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__raw_writel(AD_PDN_CTRL | AD_STROBE,
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LPC32XX_ADC_CTRL(info->adc_base));
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wait_for_completion(&info->completion); /* set by ISR */
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clk_disable(info->clk);
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clk_disable_unprepare(info->clk);
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*val = info->value;
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mutex_unlock(&indio_dev->mlock);
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@ -13,12 +13,8 @@
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#include "wilc_wlan.h"
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#include <linux/errno.h>
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#include <linux/slab.h>
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#include <linux/etherdevice.h>
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#define TAG_PARAM_OFFSET (MAC_HDR_LEN + TIME_STAMP_LEN + \
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BEACON_INTERVAL_LEN + CAP_INFO_LEN)
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#define ADDR1 4
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#define ADDR2 10
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#define ADDR3 16
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/* Basic Frame Type Codes (2-bit) */
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enum basic_frame_type {
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@ -175,32 +171,38 @@ static inline u8 get_from_ds(u8 *header)
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return ((header[1] & 0x02) >> 1);
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}
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/* This function extracts the MAC Address in 'address1' field of the MAC */
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/* header and updates the MAC Address in the allocated 'addr' variable. */
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static inline void get_address1(u8 *pu8msa, u8 *addr)
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{
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memcpy(addr, pu8msa + 4, 6);
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}
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/* This function extracts the MAC Address in 'address2' field of the MAC */
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/* header and updates the MAC Address in the allocated 'addr' variable. */
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static inline void get_address2(u8 *pu8msa, u8 *addr)
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{
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memcpy(addr, pu8msa + 10, 6);
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}
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/* This function extracts the MAC Address in 'address3' field of the MAC */
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/* header and updates the MAC Address in the allocated 'addr' variable. */
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static inline void get_address3(u8 *pu8msa, u8 *addr)
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{
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memcpy(addr, pu8msa + 16, 6);
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}
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/* This function extracts the BSSID from the incoming WLAN packet based on */
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/* the 'from ds' bit, and updates the MAC Address in the allocated 'data' */
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/* the 'from ds' bit, and updates the MAC Address in the allocated 'addr' */
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/* variable. */
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static inline void get_BSSID(u8 *data, u8 *bssid)
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{
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if (get_from_ds(data) == 1)
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/*
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* Extract the MAC Address in 'address2' field of the MAC
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* header and update the MAC Address in the allocated 'data'
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* variable.
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*/
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ether_addr_copy(data, bssid + ADDR2);
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get_address2(data, bssid);
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else if (get_to_ds(data) == 1)
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/*
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* Extract the MAC Address in 'address1' field of the MAC
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* header and update the MAC Address in the allocated 'data'
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* variable.
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*/
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ether_addr_copy(data, bssid + ADDR1);
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get_address1(data, bssid);
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else
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/*
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* Extract the MAC Address in 'address3' field of the MAC
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* header and update the MAC Address in the allocated 'data'
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* variable.
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*/
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ether_addr_copy(data, bssid + ADDR3);
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get_address3(data, bssid);
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}
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/* This function extracts the SSID from a beacon/probe response frame */
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