summaryrefslogtreecommitdiff
path: root/drivers/iio/adc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/adc')
-rw-r--r--drivers/iio/adc/ad7124.c39
-rw-r--r--drivers/iio/adc/ad7266.c2
-rw-r--r--drivers/iio/adc/ad7606_spi.c4
-rw-r--r--drivers/iio/adc/ad7768-1.c7
-rw-r--r--drivers/iio/adc/ad7949.c7
-rw-r--r--drivers/iio/adc/ad_sigma_delta.c4
-rw-r--r--drivers/iio/adc/at91-sama5d2_adc.c68
-rw-r--r--drivers/iio/adc/dln2-adc.c2
-rw-r--r--drivers/iio/adc/max1363.c43
-rw-r--r--drivers/iio/adc/stm32-adc-core.c7
10 files changed, 111 insertions, 72 deletions
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 5d4abe81d2a2..1e0af424f34f 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -146,7 +146,11 @@ struct ad7124_chip_info {
struct ad7124_channel_config {
bool live;
unsigned int cfg_slot;
- /* Following fields are used to compare equality. */
+ /*
+ * Following fields are used to compare for equality. If you
+ * make adaptations in it, you most likely also have to adapt
+ * ad7124_find_similar_live_cfg(), too.
+ */
struct_group(config_props,
enum ad7124_ref_sel refsel;
bool bipolar;
@@ -295,9 +299,9 @@ static int ad7124_get_3db_filter_freq(struct ad7124_state *st,
switch (st->channels[channel].cfg.filter_type) {
case AD7124_SINC3_FILTER:
- return DIV_ROUND_CLOSEST(fadc * 230, 1000);
+ return DIV_ROUND_CLOSEST(fadc * 272, 1000);
case AD7124_SINC4_FILTER:
- return DIV_ROUND_CLOSEST(fadc * 262, 1000);
+ return DIV_ROUND_CLOSEST(fadc * 230, 1000);
default:
return -EINVAL;
}
@@ -333,15 +337,38 @@ static struct ad7124_channel_config *ad7124_find_similar_live_cfg(struct ad7124_
struct ad7124_channel_config *cfg)
{
struct ad7124_channel_config *cfg_aux;
- ptrdiff_t cmp_size;
int i;
- cmp_size = sizeof_field(struct ad7124_channel_config, config_props);
+ /*
+ * This is just to make sure that the comparison is adapted after
+ * struct ad7124_channel_config was changed.
+ */
+ static_assert(sizeof_field(struct ad7124_channel_config, config_props) ==
+ sizeof(struct {
+ enum ad7124_ref_sel refsel;
+ bool bipolar;
+ bool buf_positive;
+ bool buf_negative;
+ unsigned int vref_mv;
+ unsigned int pga_bits;
+ unsigned int odr;
+ unsigned int odr_sel_bits;
+ unsigned int filter_type;
+ }));
+
for (i = 0; i < st->num_channels; i++) {
cfg_aux = &st->channels[i].cfg;
if (cfg_aux->live &&
- !memcmp(&cfg->config_props, &cfg_aux->config_props, cmp_size))
+ cfg->refsel == cfg_aux->refsel &&
+ cfg->bipolar == cfg_aux->bipolar &&
+ cfg->buf_positive == cfg_aux->buf_positive &&
+ cfg->buf_negative == cfg_aux->buf_negative &&
+ cfg->vref_mv == cfg_aux->vref_mv &&
+ cfg->pga_bits == cfg_aux->pga_bits &&
+ cfg->odr == cfg_aux->odr &&
+ cfg->odr_sel_bits == cfg_aux->odr_sel_bits &&
+ cfg->filter_type == cfg_aux->filter_type)
return cfg_aux;
}
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index 98648c679a55..2ace3aafe497 100644
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -44,7 +44,7 @@ struct ad7266_state {
*/
struct {
__be16 sample[2];
- s64 timestamp;
+ aligned_s64 timestamp;
} data __aligned(IIO_DMA_MINALIGN);
};
diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c
index 287a0591533b..df48464a115d 100644
--- a/drivers/iio/adc/ad7606_spi.c
+++ b/drivers/iio/adc/ad7606_spi.c
@@ -127,7 +127,7 @@ static int ad7606_spi_reg_read(struct ad7606_state *st, unsigned int addr)
{
.tx_buf = &st->d16[0],
.len = 2,
- .cs_change = 0,
+ .cs_change = 1,
}, {
.rx_buf = &st->d16[1],
.len = 2,
@@ -151,7 +151,7 @@ static int ad7606_spi_reg_write(struct ad7606_state *st,
struct spi_device *spi = to_spi_device(st->dev);
st->d16[0] = cpu_to_be16((st->bops->rd_wr_cmd(addr, 1) << 8) |
- (val & 0x1FF));
+ (val & 0xFF));
return spi_write(spi, &st->d16[0], sizeof(st->d16[0]));
}
diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index 70a25949142c..967f06cd3f94 100644
--- a/drivers/iio/adc/ad7768-1.c
+++ b/drivers/iio/adc/ad7768-1.c
@@ -142,7 +142,7 @@ static const struct iio_chan_spec ad7768_channels[] = {
.channel = 0,
.scan_index = 0,
.scan_type = {
- .sign = 'u',
+ .sign = 's',
.realbits = 24,
.storagebits = 32,
.shift = 8,
@@ -169,7 +169,7 @@ struct ad7768_state {
union {
struct {
__be32 chan;
- s64 timestamp;
+ aligned_s64 timestamp;
} scan;
__be32 d32;
u8 d8[2];
@@ -370,12 +370,11 @@ static int ad7768_read_raw(struct iio_dev *indio_dev,
return ret;
ret = ad7768_scan_direct(indio_dev);
- if (ret >= 0)
- *val = ret;
iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
+ *val = sign_extend32(ret, chan->scan_type.realbits - 1);
return IIO_VAL_INT;
diff --git a/drivers/iio/adc/ad7949.c b/drivers/iio/adc/ad7949.c
index edd0c3a35ab7..202561cad401 100644
--- a/drivers/iio/adc/ad7949.c
+++ b/drivers/iio/adc/ad7949.c
@@ -308,7 +308,6 @@ static void ad7949_disable_reg(void *reg)
static int ad7949_spi_probe(struct spi_device *spi)
{
- u32 spi_ctrl_mask = spi->controller->bits_per_word_mask;
struct device *dev = &spi->dev;
const struct ad7949_adc_spec *spec;
struct ad7949_adc_chip *ad7949_adc;
@@ -337,11 +336,11 @@ static int ad7949_spi_probe(struct spi_device *spi)
ad7949_adc->resolution = spec->resolution;
/* Set SPI bits per word */
- if (spi_ctrl_mask & SPI_BPW_MASK(ad7949_adc->resolution)) {
+ if (spi_is_bpw_supported(spi, ad7949_adc->resolution)) {
spi->bits_per_word = ad7949_adc->resolution;
- } else if (spi_ctrl_mask == SPI_BPW_MASK(16)) {
+ } else if (spi_is_bpw_supported(spi, 16)) {
spi->bits_per_word = 16;
- } else if (spi_ctrl_mask == SPI_BPW_MASK(8)) {
+ } else if (spi_is_bpw_supported(spi, 8)) {
spi->bits_per_word = 8;
} else {
dev_err(dev, "unable to find common BPW with spi controller\n");
diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index 7e2192870743..533667eefe41 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -476,6 +476,10 @@ static irqreturn_t ad_sd_trigger_handler(int irq, void *p)
* byte set to zero. */
ad_sd_read_reg_raw(sigma_delta, data_reg, transfer_size, &data[1]);
break;
+
+ default:
+ dev_err_ratelimited(&indio_dev->dev, "Unsupported reg_size: %u\n", reg_size);
+ goto irq_handled;
}
/*
diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index 3ad5678f2613..7bd180d48cb6 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -329,7 +329,7 @@ static const struct at91_adc_reg_layout sama7g5_layout = {
#define AT91_HWFIFO_MAX_SIZE_STR "128"
#define AT91_HWFIFO_MAX_SIZE 128
-#define AT91_SAMA5D2_CHAN_SINGLE(index, num, addr) \
+#define AT91_SAMA_CHAN_SINGLE(index, num, addr, rbits) \
{ \
.type = IIO_VOLTAGE, \
.channel = num, \
@@ -337,7 +337,7 @@ static const struct at91_adc_reg_layout sama7g5_layout = {
.scan_index = index, \
.scan_type = { \
.sign = 'u', \
- .realbits = 14, \
+ .realbits = rbits, \
.storagebits = 16, \
}, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
@@ -350,7 +350,13 @@ static const struct at91_adc_reg_layout sama7g5_layout = {
.indexed = 1, \
}
-#define AT91_SAMA5D2_CHAN_DIFF(index, num, num2, addr) \
+#define AT91_SAMA5D2_CHAN_SINGLE(index, num, addr) \
+ AT91_SAMA_CHAN_SINGLE(index, num, addr, 14)
+
+#define AT91_SAMA7G5_CHAN_SINGLE(index, num, addr) \
+ AT91_SAMA_CHAN_SINGLE(index, num, addr, 16)
+
+#define AT91_SAMA_CHAN_DIFF(index, num, num2, addr, rbits) \
{ \
.type = IIO_VOLTAGE, \
.differential = 1, \
@@ -360,7 +366,7 @@ static const struct at91_adc_reg_layout sama7g5_layout = {
.scan_index = index, \
.scan_type = { \
.sign = 's', \
- .realbits = 14, \
+ .realbits = rbits, \
.storagebits = 16, \
}, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
@@ -373,6 +379,12 @@ static const struct at91_adc_reg_layout sama7g5_layout = {
.indexed = 1, \
}
+#define AT91_SAMA5D2_CHAN_DIFF(index, num, num2, addr) \
+ AT91_SAMA_CHAN_DIFF(index, num, num2, addr, 14)
+
+#define AT91_SAMA7G5_CHAN_DIFF(index, num, num2, addr) \
+ AT91_SAMA_CHAN_DIFF(index, num, num2, addr, 16)
+
#define AT91_SAMA5D2_CHAN_TOUCH(num, name, mod) \
{ \
.type = IIO_POSITIONRELATIVE, \
@@ -666,30 +678,30 @@ static const struct iio_chan_spec at91_sama5d2_adc_channels[] = {
};
static const struct iio_chan_spec at91_sama7g5_adc_channels[] = {
- AT91_SAMA5D2_CHAN_SINGLE(0, 0, 0x60),
- AT91_SAMA5D2_CHAN_SINGLE(1, 1, 0x64),
- AT91_SAMA5D2_CHAN_SINGLE(2, 2, 0x68),
- AT91_SAMA5D2_CHAN_SINGLE(3, 3, 0x6c),
- AT91_SAMA5D2_CHAN_SINGLE(4, 4, 0x70),
- AT91_SAMA5D2_CHAN_SINGLE(5, 5, 0x74),
- AT91_SAMA5D2_CHAN_SINGLE(6, 6, 0x78),
- AT91_SAMA5D2_CHAN_SINGLE(7, 7, 0x7c),
- AT91_SAMA5D2_CHAN_SINGLE(8, 8, 0x80),
- AT91_SAMA5D2_CHAN_SINGLE(9, 9, 0x84),
- AT91_SAMA5D2_CHAN_SINGLE(10, 10, 0x88),
- AT91_SAMA5D2_CHAN_SINGLE(11, 11, 0x8c),
- AT91_SAMA5D2_CHAN_SINGLE(12, 12, 0x90),
- AT91_SAMA5D2_CHAN_SINGLE(13, 13, 0x94),
- AT91_SAMA5D2_CHAN_SINGLE(14, 14, 0x98),
- AT91_SAMA5D2_CHAN_SINGLE(15, 15, 0x9c),
- AT91_SAMA5D2_CHAN_DIFF(16, 0, 1, 0x60),
- AT91_SAMA5D2_CHAN_DIFF(17, 2, 3, 0x68),
- AT91_SAMA5D2_CHAN_DIFF(18, 4, 5, 0x70),
- AT91_SAMA5D2_CHAN_DIFF(19, 6, 7, 0x78),
- AT91_SAMA5D2_CHAN_DIFF(20, 8, 9, 0x80),
- AT91_SAMA5D2_CHAN_DIFF(21, 10, 11, 0x88),
- AT91_SAMA5D2_CHAN_DIFF(22, 12, 13, 0x90),
- AT91_SAMA5D2_CHAN_DIFF(23, 14, 15, 0x98),
+ AT91_SAMA7G5_CHAN_SINGLE(0, 0, 0x60),
+ AT91_SAMA7G5_CHAN_SINGLE(1, 1, 0x64),
+ AT91_SAMA7G5_CHAN_SINGLE(2, 2, 0x68),
+ AT91_SAMA7G5_CHAN_SINGLE(3, 3, 0x6c),
+ AT91_SAMA7G5_CHAN_SINGLE(4, 4, 0x70),
+ AT91_SAMA7G5_CHAN_SINGLE(5, 5, 0x74),
+ AT91_SAMA7G5_CHAN_SINGLE(6, 6, 0x78),
+ AT91_SAMA7G5_CHAN_SINGLE(7, 7, 0x7c),
+ AT91_SAMA7G5_CHAN_SINGLE(8, 8, 0x80),
+ AT91_SAMA7G5_CHAN_SINGLE(9, 9, 0x84),
+ AT91_SAMA7G5_CHAN_SINGLE(10, 10, 0x88),
+ AT91_SAMA7G5_CHAN_SINGLE(11, 11, 0x8c),
+ AT91_SAMA7G5_CHAN_SINGLE(12, 12, 0x90),
+ AT91_SAMA7G5_CHAN_SINGLE(13, 13, 0x94),
+ AT91_SAMA7G5_CHAN_SINGLE(14, 14, 0x98),
+ AT91_SAMA7G5_CHAN_SINGLE(15, 15, 0x9c),
+ AT91_SAMA7G5_CHAN_DIFF(16, 0, 1, 0x60),
+ AT91_SAMA7G5_CHAN_DIFF(17, 2, 3, 0x68),
+ AT91_SAMA7G5_CHAN_DIFF(18, 4, 5, 0x70),
+ AT91_SAMA7G5_CHAN_DIFF(19, 6, 7, 0x78),
+ AT91_SAMA7G5_CHAN_DIFF(20, 8, 9, 0x80),
+ AT91_SAMA7G5_CHAN_DIFF(21, 10, 11, 0x88),
+ AT91_SAMA7G5_CHAN_DIFF(22, 12, 13, 0x90),
+ AT91_SAMA7G5_CHAN_DIFF(23, 14, 15, 0x98),
IIO_CHAN_SOFT_TIMESTAMP(24),
AT91_SAMA5D2_CHAN_TEMP(AT91_SAMA7G5_ADC_TEMP_CHANNEL, "temp", 0xdc),
};
diff --git a/drivers/iio/adc/dln2-adc.c b/drivers/iio/adc/dln2-adc.c
index 97d162a3cba4..49a2588e7431 100644
--- a/drivers/iio/adc/dln2-adc.c
+++ b/drivers/iio/adc/dln2-adc.c
@@ -483,7 +483,7 @@ static irqreturn_t dln2_adc_trigger_h(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct {
__le16 values[DLN2_ADC_MAX_CHANNELS];
- int64_t timestamp_space;
+ aligned_s64 timestamp_space;
} data;
struct dln2_adc_get_all_vals dev_data;
struct dln2_adc *dln2 = iio_priv(indio_dev);
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index a28cf86cdce8..875f5ff20208 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -512,10 +512,10 @@ static const struct iio_event_spec max1363_events[] = {
MAX1363_CHAN_U(1, _s1, 1, bits, ev_spec, num_ev_spec), \
MAX1363_CHAN_U(2, _s2, 2, bits, ev_spec, num_ev_spec), \
MAX1363_CHAN_U(3, _s3, 3, bits, ev_spec, num_ev_spec), \
- MAX1363_CHAN_B(0, 1, d0m1, 4, bits, ev_spec, num_ev_spec), \
- MAX1363_CHAN_B(2, 3, d2m3, 5, bits, ev_spec, num_ev_spec), \
- MAX1363_CHAN_B(1, 0, d1m0, 6, bits, ev_spec, num_ev_spec), \
- MAX1363_CHAN_B(3, 2, d3m2, 7, bits, ev_spec, num_ev_spec), \
+ MAX1363_CHAN_B(0, 1, d0m1, 12, bits, ev_spec, num_ev_spec), \
+ MAX1363_CHAN_B(2, 3, d2m3, 13, bits, ev_spec, num_ev_spec), \
+ MAX1363_CHAN_B(1, 0, d1m0, 18, bits, ev_spec, num_ev_spec), \
+ MAX1363_CHAN_B(3, 2, d3m2, 19, bits, ev_spec, num_ev_spec), \
IIO_CHAN_SOFT_TIMESTAMP(8) \
}
@@ -533,23 +533,23 @@ static const struct iio_chan_spec max1363_channels[] =
/* Applies to max1236, max1237 */
static const enum max1363_modes max1236_mode_list[] = {
_s0, _s1, _s2, _s3,
- s0to1, s0to2, s0to3,
+ s0to1, s0to2, s2to3, s0to3,
d0m1, d2m3, d1m0, d3m2,
d0m1to2m3, d1m0to3m2,
- s2to3,
};
/* Applies to max1238, max1239 */
static const enum max1363_modes max1238_mode_list[] = {
_s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7, _s8, _s9, _s10, _s11,
s0to1, s0to2, s0to3, s0to4, s0to5, s0to6,
+ s6to7, s6to8, s6to9, s6to10, s6to11,
s0to7, s0to8, s0to9, s0to10, s0to11,
d0m1, d2m3, d4m5, d6m7, d8m9, d10m11,
d1m0, d3m2, d5m4, d7m6, d9m8, d11m10,
- d0m1to2m3, d0m1to4m5, d0m1to6m7, d0m1to8m9, d0m1to10m11,
- d1m0to3m2, d1m0to5m4, d1m0to7m6, d1m0to9m8, d1m0to11m10,
- s6to7, s6to8, s6to9, s6to10, s6to11,
- d6m7to8m9, d6m7to10m11, d7m6to9m8, d7m6to11m10,
+ d0m1to2m3, d0m1to4m5, d0m1to6m7, d6m7to8m9,
+ d0m1to8m9, d6m7to10m11, d0m1to10m11, d1m0to3m2,
+ d1m0to5m4, d1m0to7m6, d7m6to9m8, d1m0to9m8,
+ d7m6to11m10, d1m0to11m10,
};
#define MAX1363_12X_CHANS(bits) { \
@@ -585,16 +585,15 @@ static const struct iio_chan_spec max1238_channels[] = MAX1363_12X_CHANS(12);
static const enum max1363_modes max11607_mode_list[] = {
_s0, _s1, _s2, _s3,
- s0to1, s0to2, s0to3,
- s2to3,
+ s0to1, s0to2, s2to3,
+ s0to3,
d0m1, d2m3, d1m0, d3m2,
d0m1to2m3, d1m0to3m2,
};
static const enum max1363_modes max11608_mode_list[] = {
_s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7,
- s0to1, s0to2, s0to3, s0to4, s0to5, s0to6, s0to7,
- s6to7,
+ s0to1, s0to2, s0to3, s0to4, s0to5, s0to6, s6to7, s0to7,
d0m1, d2m3, d4m5, d6m7,
d1m0, d3m2, d5m4, d7m6,
d0m1to2m3, d0m1to4m5, d0m1to6m7,
@@ -610,14 +609,14 @@ static const enum max1363_modes max11608_mode_list[] = {
MAX1363_CHAN_U(5, _s5, 5, bits, NULL, 0), \
MAX1363_CHAN_U(6, _s6, 6, bits, NULL, 0), \
MAX1363_CHAN_U(7, _s7, 7, bits, NULL, 0), \
- MAX1363_CHAN_B(0, 1, d0m1, 8, bits, NULL, 0), \
- MAX1363_CHAN_B(2, 3, d2m3, 9, bits, NULL, 0), \
- MAX1363_CHAN_B(4, 5, d4m5, 10, bits, NULL, 0), \
- MAX1363_CHAN_B(6, 7, d6m7, 11, bits, NULL, 0), \
- MAX1363_CHAN_B(1, 0, d1m0, 12, bits, NULL, 0), \
- MAX1363_CHAN_B(3, 2, d3m2, 13, bits, NULL, 0), \
- MAX1363_CHAN_B(5, 4, d5m4, 14, bits, NULL, 0), \
- MAX1363_CHAN_B(7, 6, d7m6, 15, bits, NULL, 0), \
+ MAX1363_CHAN_B(0, 1, d0m1, 12, bits, NULL, 0), \
+ MAX1363_CHAN_B(2, 3, d2m3, 13, bits, NULL, 0), \
+ MAX1363_CHAN_B(4, 5, d4m5, 14, bits, NULL, 0), \
+ MAX1363_CHAN_B(6, 7, d6m7, 15, bits, NULL, 0), \
+ MAX1363_CHAN_B(1, 0, d1m0, 18, bits, NULL, 0), \
+ MAX1363_CHAN_B(3, 2, d3m2, 19, bits, NULL, 0), \
+ MAX1363_CHAN_B(5, 4, d5m4, 20, bits, NULL, 0), \
+ MAX1363_CHAN_B(7, 6, d7m6, 21, bits, NULL, 0), \
IIO_CHAN_SOFT_TIMESTAMP(16) \
}
static const struct iio_chan_spec max11602_channels[] = MAX1363_8X_CHANS(8);
diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index dee47b899e5d..e60d5c8f2be7 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -415,10 +415,9 @@ static int stm32_adc_irq_probe(struct platform_device *pdev,
return -ENOMEM;
}
- for (i = 0; i < priv->cfg->num_irqs; i++) {
- irq_set_chained_handler(priv->irq[i], stm32_adc_irq_handler);
- irq_set_handler_data(priv->irq[i], priv);
- }
+ for (i = 0; i < priv->cfg->num_irqs; i++)
+ irq_set_chained_handler_and_data(priv->irq[i],
+ stm32_adc_irq_handler, priv);
return 0;
}