diff options
-rw-r--r-- | drivers/iio/adc/ad7793.c | 2 | ||||
-rw-r--r-- | drivers/iio/adc/vf610_adc.c | 22 | ||||
-rw-r--r-- | drivers/iio/adc/xilinx-xadc-core.c | 1 | ||||
-rw-r--r-- | drivers/iio/dac/ad5064.c | 91 | ||||
-rw-r--r-- | drivers/iio/humidity/si7020.c | 8 | ||||
-rw-r--r-- | drivers/staging/iio/Kconfig | 3 | ||||
-rw-r--r-- | drivers/staging/iio/adc/lpc32xx_adc.c | 4 |
7 files changed, 90 insertions, 41 deletions
diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index eea0c79111e7..4d960d3b93c0 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -101,7 +101,7 @@ #define AD7795_CH_AIN1M_AIN1M 8 /* AIN1(-) - AIN1(-) */ /* ID Register Bit Designations (AD7793_REG_ID) */ -#define AD7785_ID 0xB +#define AD7785_ID 0x3 #define AD7792_ID 0xA #define AD7793_ID 0xB #define AD7794_ID 0xF diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index 599cde3d03a1..b10f629cc44b 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -106,6 +106,13 @@ #define DEFAULT_SAMPLE_TIME 1000 +/* V at 25°C of 696 mV */ +#define VF610_VTEMP25_3V0 950 +/* V at 25°C of 699 mV */ +#define VF610_VTEMP25_3V3 867 +/* Typical sensor slope coefficient at all temperatures */ +#define VF610_TEMP_SLOPE_COEFF 1840 + enum clk_sel { VF610_ADCIOC_BUSCLK_SET, VF610_ADCIOC_ALTCLK_SET, @@ -197,6 +204,8 @@ static inline void vf610_adc_calculate_rates(struct vf610_adc *info) adc_feature->clk_div = 8; } + adck_rate = ipg_rate / adc_feature->clk_div; + /* * Determine the long sample time adder value to be used based * on the default minimum sample time provided. @@ -221,7 +230,6 @@ static inline void vf610_adc_calculate_rates(struct vf610_adc *info) * BCT (Base Conversion Time): fixed to 25 ADCK cycles for 12 bit mode * LSTAdder(Long Sample Time): 3, 5, 7, 9, 13, 17, 21, 25 ADCK cycles */ - adck_rate = ipg_rate / info->adc_feature.clk_div; for (i = 0; i < ARRAY_SIZE(vf610_hw_avgs); i++) info->sample_freq_avail[i] = adck_rate / (6 + vf610_hw_avgs[i] * @@ -663,11 +671,13 @@ static int vf610_read_raw(struct iio_dev *indio_dev, break; case IIO_TEMP: /* - * Calculate in degree Celsius times 1000 - * Using sensor slope of 1.84 mV/°C and - * V at 25°C of 696 mV - */ - *val = 25000 - ((int)info->value - 864) * 1000000 / 1840; + * Calculate in degree Celsius times 1000 + * Using the typical sensor slope of 1.84 mV/°C + * and VREFH_ADC at 3.3V, V at 25°C of 699 mV + */ + *val = 25000 - ((int)info->value - VF610_VTEMP25_3V3) * + 1000000 / VF610_TEMP_SLOPE_COEFF; + break; default: mutex_unlock(&indio_dev->mlock); diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index 0370624a35db..02e636a1c49a 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -841,6 +841,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev, case XADC_REG_VCCINT: case XADC_REG_VCCAUX: case XADC_REG_VREFP: + case XADC_REG_VREFN: case XADC_REG_VCCBRAM: case XADC_REG_VCCPINT: case XADC_REG_VCCPAUX: diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c index 9e4d2c18b554..81ca0081a019 100644 --- a/drivers/iio/dac/ad5064.c +++ b/drivers/iio/dac/ad5064.c @@ -113,12 +113,16 @@ enum ad5064_type { ID_AD5065, ID_AD5628_1, ID_AD5628_2, + ID_AD5629_1, + ID_AD5629_2, ID_AD5648_1, ID_AD5648_2, ID_AD5666_1, ID_AD5666_2, ID_AD5668_1, ID_AD5668_2, + ID_AD5669_1, + ID_AD5669_2, }; static int ad5064_write(struct ad5064_state *st, unsigned int cmd, @@ -291,7 +295,7 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = { { }, }; -#define AD5064_CHANNEL(chan, addr, bits) { \ +#define AD5064_CHANNEL(chan, addr, bits, _shift) { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ @@ -303,36 +307,39 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = { .sign = 'u', \ .realbits = (bits), \ .storagebits = 16, \ - .shift = 20 - bits, \ + .shift = (_shift), \ }, \ .ext_info = ad5064_ext_info, \ } -#define DECLARE_AD5064_CHANNELS(name, bits) \ +#define DECLARE_AD5064_CHANNELS(name, bits, shift) \ const struct iio_chan_spec name[] = { \ - AD5064_CHANNEL(0, 0, bits), \ - AD5064_CHANNEL(1, 1, bits), \ - AD5064_CHANNEL(2, 2, bits), \ - AD5064_CHANNEL(3, 3, bits), \ - AD5064_CHANNEL(4, 4, bits), \ - AD5064_CHANNEL(5, 5, bits), \ - AD5064_CHANNEL(6, 6, bits), \ - AD5064_CHANNEL(7, 7, bits), \ + AD5064_CHANNEL(0, 0, bits, shift), \ + AD5064_CHANNEL(1, 1, bits, shift), \ + AD5064_CHANNEL(2, 2, bits, shift), \ + AD5064_CHANNEL(3, 3, bits, shift), \ + AD5064_CHANNEL(4, 4, bits, shift), \ + AD5064_CHANNEL(5, 5, bits, shift), \ + AD5064_CHANNEL(6, 6, bits, shift), \ + AD5064_CHANNEL(7, 7, bits, shift), \ } -#define DECLARE_AD5065_CHANNELS(name, bits) \ +#define DECLARE_AD5065_CHANNELS(name, bits, shift) \ const struct iio_chan_spec name[] = { \ - AD5064_CHANNEL(0, 0, bits), \ - AD5064_CHANNEL(1, 3, bits), \ + AD5064_CHANNEL(0, 0, bits, shift), \ + AD5064_CHANNEL(1, 3, bits, shift), \ } -static DECLARE_AD5064_CHANNELS(ad5024_channels, 12); -static DECLARE_AD5064_CHANNELS(ad5044_channels, 14); -static DECLARE_AD5064_CHANNELS(ad5064_channels, 16); +static DECLARE_AD5064_CHANNELS(ad5024_channels, 12, 8); +static DECLARE_AD5064_CHANNELS(ad5044_channels, 14, 6); +static DECLARE_AD5064_CHANNELS(ad5064_channels, 16, 4); -static DECLARE_AD5065_CHANNELS(ad5025_channels, 12); -static DECLARE_AD5065_CHANNELS(ad5045_channels, 14); -static DECLARE_AD5065_CHANNELS(ad5065_channels, 16); +static DECLARE_AD5065_CHANNELS(ad5025_channels, 12, 8); +static DECLARE_AD5065_CHANNELS(ad5045_channels, 14, 6); +static DECLARE_AD5065_CHANNELS(ad5065_channels, 16, 4); + +static DECLARE_AD5064_CHANNELS(ad5629_channels, 12, 4); +static DECLARE_AD5064_CHANNELS(ad5669_channels, 16, 0); static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { [ID_AD5024] = { @@ -382,6 +389,18 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { .channels = ad5024_channels, .num_channels = 8, }, + [ID_AD5629_1] = { + .shared_vref = true, + .internal_vref = 2500000, + .channels = ad5629_channels, + .num_channels = 8, + }, + [ID_AD5629_2] = { + .shared_vref = true, + .internal_vref = 5000000, + .channels = ad5629_channels, + .num_channels = 8, + }, [ID_AD5648_1] = { .shared_vref = true, .internal_vref = 2500000, @@ -418,6 +437,18 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { .channels = ad5064_channels, .num_channels = 8, }, + [ID_AD5669_1] = { + .shared_vref = true, + .internal_vref = 2500000, + .channels = ad5669_channels, + .num_channels = 8, + }, + [ID_AD5669_2] = { + .shared_vref = true, + .internal_vref = 5000000, + .channels = ad5669_channels, + .num_channels = 8, + }, }; static inline unsigned int ad5064_num_vref(struct ad5064_state *st) @@ -597,10 +628,16 @@ static int ad5064_i2c_write(struct ad5064_state *st, unsigned int cmd, unsigned int addr, unsigned int val) { struct i2c_client *i2c = to_i2c_client(st->dev); + int ret; st->data.i2c[0] = (cmd << 4) | addr; put_unaligned_be16(val, &st->data.i2c[1]); - return i2c_master_send(i2c, st->data.i2c, 3); + + ret = i2c_master_send(i2c, st->data.i2c, 3); + if (ret < 0) + return ret; + + return 0; } static int ad5064_i2c_probe(struct i2c_client *i2c, @@ -616,12 +653,12 @@ static int ad5064_i2c_remove(struct i2c_client *i2c) } static const struct i2c_device_id ad5064_i2c_ids[] = { - {"ad5629-1", ID_AD5628_1}, - {"ad5629-2", ID_AD5628_2}, - {"ad5629-3", ID_AD5628_2}, /* similar enough to ad5629-2 */ - {"ad5669-1", ID_AD5668_1}, - {"ad5669-2", ID_AD5668_2}, - {"ad5669-3", ID_AD5668_2}, /* similar enough to ad5669-2 */ + {"ad5629-1", ID_AD5629_1}, + {"ad5629-2", ID_AD5629_2}, + {"ad5629-3", ID_AD5629_2}, /* similar enough to ad5629-2 */ + {"ad5669-1", ID_AD5669_1}, + {"ad5669-2", ID_AD5669_2}, + {"ad5669-3", ID_AD5669_2}, /* similar enough to ad5669-2 */ {} }; MODULE_DEVICE_TABLE(i2c, ad5064_i2c_ids); diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c index 12128d1ca570..71991b5c0658 100644 --- a/drivers/iio/humidity/si7020.c +++ b/drivers/iio/humidity/si7020.c @@ -50,10 +50,10 @@ static int si7020_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - ret = i2c_smbus_read_word_data(*client, - chan->type == IIO_TEMP ? - SI7020CMD_TEMP_HOLD : - SI7020CMD_RH_HOLD); + ret = i2c_smbus_read_word_swapped(*client, + chan->type == IIO_TEMP ? + SI7020CMD_TEMP_HOLD : + SI7020CMD_RH_HOLD); if (ret < 0) return ret; *val = ret >> 2; diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig index 6d5b38d69578..9d7f0004d2d7 100644 --- a/drivers/staging/iio/Kconfig +++ b/drivers/staging/iio/Kconfig @@ -18,7 +18,8 @@ source "drivers/staging/iio/resolver/Kconfig" source "drivers/staging/iio/trigger/Kconfig" config IIO_DUMMY_EVGEN - tristate + tristate + select IRQ_WORK config IIO_SIMPLE_DUMMY tristate "An example driver with no hardware requirements" diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c index d11c54b72186..b51f237cd817 100644 --- a/drivers/staging/iio/adc/lpc32xx_adc.c +++ b/drivers/staging/iio/adc/lpc32xx_adc.c @@ -76,7 +76,7 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, if (mask == IIO_CHAN_INFO_RAW) { mutex_lock(&indio_dev->mlock); - clk_enable(info->clk); + clk_prepare_enable(info->clk); /* Measurement setup */ __raw_writel(AD_INTERNAL | (chan->address) | AD_REFp | AD_REFm, LPC32XX_ADC_SELECT(info->adc_base)); @@ -84,7 +84,7 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, __raw_writel(AD_PDN_CTRL | AD_STROBE, LPC32XX_ADC_CTRL(info->adc_base)); wait_for_completion(&info->completion); /* set by ISR */ - clk_disable(info->clk); + clk_disable_unprepare(info->clk); *val = info->value; mutex_unlock(&indio_dev->mlock); |