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-rw-r--r--drivers/iio/adc/Kconfig1
-rw-r--r--drivers/iio/adc/ad4130.c41
-rw-r--r--drivers/iio/adc/ad7124.c39
-rw-r--r--drivers/iio/adc/ad7173.c25
-rw-r--r--drivers/iio/adc/ad7192.c2
-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.c45
-rw-r--r--drivers/iio/adc/ad7944.c18
-rw-r--r--drivers/iio/adc/ad7949.c7
-rw-r--r--drivers/iio/adc/ad_sigma_delta.c6
-rw-r--r--drivers/iio/adc/at91-sama5d2_adc.c68
-rw-r--r--drivers/iio/adc/axp20x_adc.c1
-rw-r--r--drivers/iio/adc/dln2-adc.c2
-rw-r--r--drivers/iio/adc/max1363.c43
-rw-r--r--drivers/iio/adc/mcp3911.c39
-rw-r--r--drivers/iio/adc/pac1934.c2
-rw-r--r--drivers/iio/adc/rockchip_saradc.c17
-rw-r--r--drivers/iio/adc/stm32-adc-core.c7
19 files changed, 263 insertions, 106 deletions
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 6c4e74420fd2..216f3c9ce183 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -1452,6 +1452,7 @@ config TI_ADS1298
tristate "Texas Instruments ADS1298"
depends on SPI
select IIO_BUFFER
+ select IIO_KFIFO_BUF
help
If you say yes here you get support for Texas Instruments ADS1298
medical ADC chips
diff --git a/drivers/iio/adc/ad4130.c b/drivers/iio/adc/ad4130.c
index de32cc9d18c5..712f95f53c9e 100644
--- a/drivers/iio/adc/ad4130.c
+++ b/drivers/iio/adc/ad4130.c
@@ -223,6 +223,10 @@ enum ad4130_pin_function {
AD4130_PIN_FN_VBIAS = BIT(3),
};
+/*
+ * If you make adaptations in this struct, you most likely also have to adapt
+ * ad4130_setup_info_eq(), too.
+ */
struct ad4130_setup_info {
unsigned int iout0_val;
unsigned int iout1_val;
@@ -591,6 +595,40 @@ static irqreturn_t ad4130_irq_handler(int irq, void *private)
return IRQ_HANDLED;
}
+static bool ad4130_setup_info_eq(struct ad4130_setup_info *a,
+ struct ad4130_setup_info *b)
+{
+ /*
+ * This is just to make sure that the comparison is adapted after
+ * struct ad4130_setup_info was changed.
+ */
+ static_assert(sizeof(*a) ==
+ sizeof(struct {
+ unsigned int iout0_val;
+ unsigned int iout1_val;
+ unsigned int burnout;
+ unsigned int pga;
+ unsigned int fs;
+ u32 ref_sel;
+ enum ad4130_filter_mode filter_mode;
+ bool ref_bufp;
+ bool ref_bufm;
+ }));
+
+ if (a->iout0_val != b->iout0_val ||
+ a->iout1_val != b->iout1_val ||
+ a->burnout != b->burnout ||
+ a->pga != b->pga ||
+ a->fs != b->fs ||
+ a->ref_sel != b->ref_sel ||
+ a->filter_mode != b->filter_mode ||
+ a->ref_bufp != b->ref_bufp ||
+ a->ref_bufm != b->ref_bufm)
+ return false;
+
+ return true;
+}
+
static int ad4130_find_slot(struct ad4130_state *st,
struct ad4130_setup_info *target_setup_info,
unsigned int *slot, bool *overwrite)
@@ -604,8 +642,7 @@ static int ad4130_find_slot(struct ad4130_state *st,
struct ad4130_slot_info *slot_info = &st->slots_info[i];
/* Immediately accept a matching setup info. */
- if (!memcmp(target_setup_info, &slot_info->setup,
- sizeof(*target_setup_info))) {
+ if (ad4130_setup_info_eq(target_setup_info, &slot_info->setup)) {
*slot = i;
return 0;
}
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 8d94bc2b1cac..9c9e0c950b42 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -147,7 +147,11 @@ 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;
@@ -296,9 +300,9 @@ 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;
}
@@ -334,15 +338,38 @@ 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/ad7173.c b/drivers/iio/adc/ad7173.c
index 5a65be00dd19..2eebc6f761a6 100644
--- a/drivers/iio/adc/ad7173.c
+++ b/drivers/iio/adc/ad7173.c
@@ -181,7 +181,11 @@ struct ad7173_channel_config {
u8 cfg_slot;
bool live;
- /* Following fields are used to compare equality. */
+ /*
+ * Following fields are used to compare equality. If you
+ * make adaptations in it, you most likely also have to adapt
+ * ad7173_find_live_config(), too.
+ */
struct_group(config_props,
bool bipolar;
bool input_buf;
@@ -582,15 +586,28 @@ static struct ad7173_channel_config *
ad7173_find_live_config(struct ad7173_state *st, struct ad7173_channel_config *cfg)
{
struct ad7173_channel_config *cfg_aux;
- ptrdiff_t cmp_size;
int i;
- cmp_size = sizeof_field(struct ad7173_channel_config, config_props);
+ /*
+ * This is just to make sure that the comparison is adapted after
+ * struct ad7173_channel_config was changed.
+ */
+ static_assert(sizeof_field(struct ad7173_channel_config, config_props) ==
+ sizeof(struct {
+ bool bipolar;
+ bool input_buf;
+ u8 odr;
+ u8 ref_sel;
+ }));
+
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->bipolar == cfg_aux->bipolar &&
+ cfg->input_buf == cfg_aux->input_buf &&
+ cfg->odr == cfg_aux->odr &&
+ cfg->ref_sel == cfg_aux->ref_sel)
return cfg_aux;
}
return NULL;
diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index 955e9eff0099..6fe32f866765 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -1082,7 +1082,7 @@ static int ad7192_update_scan_mode(struct iio_dev *indio_dev, const unsigned lon
conf &= ~AD7192_CONF_CHAN_MASK;
for_each_set_bit(i, scan_mask, 8)
- conf |= FIELD_PREP(AD7192_CONF_CHAN_MASK, i);
+ conf |= FIELD_PREP(AD7192_CONF_CHAN_MASK, BIT(i));
ret = ad_sd_write_reg(&st->sd, AD7192_REG_CONF, 3, conf);
if (ret < 0)
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index 7949b076fb87..d4c9b85135f5 100644
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -45,7 +45,7 @@ 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 62ec12195307..42112f97fac1 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 113703fb7245..7956948166ab 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];
@@ -203,6 +203,24 @@ static int ad7768_spi_reg_write(struct ad7768_state *st,
return spi_write(st->spi, st->data.d8, 2);
}
+static int ad7768_send_sync_pulse(struct ad7768_state *st)
+{
+ /*
+ * The datasheet specifies a minimum SYNC_IN pulse width of 1.5 × Tmclk,
+ * where Tmclk is the MCLK period. The supported MCLK frequencies range
+ * from 0.6 MHz to 17 MHz, which corresponds to a minimum SYNC_IN pulse
+ * width of approximately 2.5 µs in the worst-case scenario (0.6 MHz).
+ *
+ * Add a delay to ensure the pulse width is always sufficient to
+ * trigger synchronization.
+ */
+ gpiod_set_value_cansleep(st->gpio_sync_in, 1);
+ fsleep(3);
+ gpiod_set_value_cansleep(st->gpio_sync_in, 0);
+
+ return 0;
+}
+
static int ad7768_set_mode(struct ad7768_state *st,
enum ad7768_conv_mode mode)
{
@@ -288,10 +306,7 @@ static int ad7768_set_dig_fil(struct ad7768_state *st,
return ret;
/* A sync-in pulse is required every time the filter dec rate changes */
- gpiod_set_value(st->gpio_sync_in, 1);
- gpiod_set_value(st->gpio_sync_in, 0);
-
- return 0;
+ return ad7768_send_sync_pulse(st);
}
static int ad7768_set_freq(struct ad7768_state *st,
@@ -370,12 +385,11 @@ 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;
@@ -574,6 +588,21 @@ static int ad7768_probe(struct spi_device *spi)
return -ENOMEM;
st = iio_priv(indio_dev);
+ /*
+ * Datasheet recommends SDI line to be kept high when data is not being
+ * clocked out of the controller and the spi clock is free running,
+ * to prevent accidental reset.
+ * Since many controllers do not support the SPI_MOSI_IDLE_HIGH flag
+ * yet, only request the MOSI idle state to enable if the controller
+ * supports it.
+ */
+ if (spi->controller->mode_bits & SPI_MOSI_IDLE_HIGH) {
+ spi->mode |= SPI_MOSI_IDLE_HIGH;
+ ret = spi_setup(spi);
+ if (ret < 0)
+ return ret;
+ }
+
st->spi = spi;
st->vref = devm_regulator_get(&spi->dev, "vref");
diff --git a/drivers/iio/adc/ad7944.c b/drivers/iio/adc/ad7944.c
index 0f36138a7144..1e2cf512c2f5 100644
--- a/drivers/iio/adc/ad7944.c
+++ b/drivers/iio/adc/ad7944.c
@@ -98,6 +98,9 @@ struct ad7944_chip_info {
const struct iio_chan_spec channels[2];
};
+/* get number of bytes for SPI xfer */
+#define AD7944_SPI_BYTES(scan_type) ((scan_type).realbits > 16 ? 4 : 2)
+
/*
* AD7944_DEFINE_CHIP_INFO - Define a chip info structure for a specific chip
* @_name: The name of the chip
@@ -164,7 +167,7 @@ static int ad7944_3wire_cs_mode_init_msg(struct device *dev, struct ad7944_adc *
/* Then we can read the data during the acquisition phase */
xfers[2].rx_buf = &adc->sample.raw;
- xfers[2].len = BITS_TO_BYTES(chan->scan_type.storagebits);
+ xfers[2].len = AD7944_SPI_BYTES(chan->scan_type);
xfers[2].bits_per_word = chan->scan_type.realbits;
spi_message_init_with_transfers(&adc->msg, xfers, 3);
@@ -193,7 +196,7 @@ static int ad7944_4wire_mode_init_msg(struct device *dev, struct ad7944_adc *adc
xfers[0].delay.unit = SPI_DELAY_UNIT_NSECS;
xfers[1].rx_buf = &adc->sample.raw;
- xfers[1].len = BITS_TO_BYTES(chan->scan_type.storagebits);
+ xfers[1].len = AD7944_SPI_BYTES(chan->scan_type);
xfers[1].bits_per_word = chan->scan_type.realbits;
spi_message_init_with_transfers(&adc->msg, xfers, 2);
@@ -228,7 +231,7 @@ static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc
xfers[0].delay.unit = SPI_DELAY_UNIT_NSECS;
xfers[1].rx_buf = adc->chain_mode_buf;
- xfers[1].len = BITS_TO_BYTES(chan->scan_type.storagebits) * n_chain_dev;
+ xfers[1].len = AD7944_SPI_BYTES(chan->scan_type) * n_chain_dev;
xfers[1].bits_per_word = chan->scan_type.realbits;
spi_message_init_with_transfers(&adc->msg, xfers, 2);
@@ -274,12 +277,12 @@ static int ad7944_single_conversion(struct ad7944_adc *adc,
return ret;
if (adc->spi_mode == AD7944_SPI_MODE_CHAIN) {
- if (chan->scan_type.storagebits > 16)
+ if (chan->scan_type.realbits > 16)
*val = ((u32 *)adc->chain_mode_buf)[chan->scan_index];
else
*val = ((u16 *)adc->chain_mode_buf)[chan->scan_index];
} else {
- if (chan->scan_type.storagebits > 16)
+ if (chan->scan_type.realbits > 16)
*val = adc->sample.raw.u32;
else
*val = adc->sample.raw.u16;
@@ -287,6 +290,8 @@ static int ad7944_single_conversion(struct ad7944_adc *adc,
if (chan->scan_type.sign == 's')
*val = sign_extend32(*val, chan->scan_type.realbits - 1);
+ else
+ *val &= GENMASK(chan->scan_type.realbits - 1, 0);
return IIO_VAL_INT;
}
@@ -409,8 +414,7 @@ static int ad7944_chain_mode_alloc(struct device *dev,
/* 1 word for each voltage channel + aligned u64 for timestamp */
chain_mode_buf_size = ALIGN(n_chain_dev *
- BITS_TO_BYTES(chan[0].scan_type.storagebits), sizeof(u64))
- + sizeof(u64);
+ AD7944_SPI_BYTES(chan[0].scan_type), sizeof(u64)) + sizeof(u64);
buf = devm_kzalloc(dev, chain_mode_buf_size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
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 ea4aabd3960a..39196a2862cf 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -379,7 +379,7 @@ static int ad_sd_buffer_postenable(struct iio_dev *indio_dev)
return ret;
}
- samples_buf_size = ALIGN(slot * indio_dev->channels[0].scan_type.storagebits, 8);
+ samples_buf_size = ALIGN(slot * indio_dev->channels[0].scan_type.storagebits / 8, 8);
samples_buf_size += sizeof(int64_t);
samples_buf = devm_krealloc(&sigma_delta->spi->dev, sigma_delta->samples_buf,
samples_buf_size, GFP_KERNEL);
@@ -477,6 +477,10 @@ 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 d7fd21e7c6e2..3618e769b106 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/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c
index 6c1a5d1b0a83..0226dfbcf4ae 100644
--- a/drivers/iio/adc/axp20x_adc.c
+++ b/drivers/iio/adc/axp20x_adc.c
@@ -217,6 +217,7 @@ static struct iio_map axp717_maps[] = {
.consumer_channel = "batt_chrg_i",
.adc_channel_label = "batt_chrg_i",
},
+ { }
};
/*
diff --git a/drivers/iio/adc/dln2-adc.c b/drivers/iio/adc/dln2-adc.c
index de7252a10047..84c23d3def59 100644
--- a/drivers/iio/adc/dln2-adc.c
+++ b/drivers/iio/adc/dln2-adc.c
@@ -481,7 +481,7 @@ 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 d0c6e94f7204..c9d531f233eb 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -504,10 +504,10 @@ 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) \
}
@@ -525,23 +525,23 @@ 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) { \
@@ -577,16 +577,15 @@ 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,
@@ -602,14 +601,14 @@ 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/mcp3911.c b/drivers/iio/adc/mcp3911.c
index b097f04172c8..4bd6b5aac4fe 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -6,7 +6,7 @@
* Copyright (C) 2018 Kent Gustavsson <kent@minoris.se>
*/
#include <linux/bitfield.h>
-#include <linux/bits.h>
+#include <linux/bitops.h>
#include <linux/cleanup.h>
#include <linux/clk.h>
#include <linux/delay.h>
@@ -79,6 +79,8 @@
#define MCP3910_CONFIG1_CLKEXT BIT(6)
#define MCP3910_CONFIG1_VREFEXT BIT(7)
+#define MCP3910_CHANNEL(ch) (MCP3911_REG_CHANNEL0 + (ch))
+
#define MCP3910_REG_OFFCAL_CH0 0x0f
#define MCP3910_OFFCAL(ch) (MCP3910_REG_OFFCAL_CH0 + (ch) * 6)
@@ -110,6 +112,7 @@ struct mcp3911_chip_info {
int (*get_offset)(struct mcp3911 *adc, int channel, int *val);
int (*set_offset)(struct mcp3911 *adc, int channel, int val);
int (*set_scale)(struct mcp3911 *adc, int channel, u32 val);
+ int (*get_raw)(struct mcp3911 *adc, int channel, int *val);
};
struct mcp3911 {
@@ -170,6 +173,18 @@ static int mcp3911_update(struct mcp3911 *adc, u8 reg, u32 mask, u32 val, u8 len
return mcp3911_write(adc, reg, val, len);
}
+static int mcp3911_read_s24(struct mcp3911 *const adc, u8 const reg, s32 *const val)
+{
+ u32 uval;
+ int const ret = mcp3911_read(adc, reg, &uval, 3);
+
+ if (ret)
+ return ret;
+
+ *val = sign_extend32(uval, 23);
+ return ret;
+}
+
static int mcp3910_enable_offset(struct mcp3911 *adc, bool enable)
{
unsigned int mask = MCP3910_CONFIG0_EN_OFFCAL;
@@ -194,6 +209,11 @@ static int mcp3910_set_offset(struct mcp3911 *adc, int channel, int val)
return adc->chip->enable_offset(adc, 1);
}
+static int mcp3910_get_raw(struct mcp3911 *adc, int channel, s32 *val)
+{
+ return mcp3911_read_s24(adc, MCP3910_CHANNEL(channel), val);
+}
+
static int mcp3911_enable_offset(struct mcp3911 *adc, bool enable)
{
unsigned int mask = MCP3911_STATUSCOM_EN_OFFCAL;
@@ -218,6 +238,11 @@ static int mcp3911_set_offset(struct mcp3911 *adc, int channel, int val)
return adc->chip->enable_offset(adc, 1);
}
+static int mcp3911_get_raw(struct mcp3911 *adc, int channel, s32 *val)
+{
+ return mcp3911_read_s24(adc, MCP3911_CHANNEL(channel), val);
+}
+
static int mcp3910_get_osr(struct mcp3911 *adc, u32 *val)
{
int ret;
@@ -321,12 +346,9 @@ static int mcp3911_read_raw(struct iio_dev *indio_dev,
guard(mutex)(&adc->lock);
switch (mask) {
case IIO_CHAN_INFO_RAW:
- ret = mcp3911_read(adc,
- MCP3911_CHANNEL(channel->channel), val, 3);
+ ret = adc->chip->get_raw(adc, channel->channel, val);
if (ret)
return ret;
-
- *val = sign_extend32(*val, 23);
return IIO_VAL_INT;
case IIO_CHAN_INFO_OFFSET:
ret = adc->chip->get_offset(adc, channel->channel, val);
@@ -799,6 +821,7 @@ static const struct mcp3911_chip_info mcp3911_chip_info[] = {
.get_offset = mcp3910_get_offset,
.set_offset = mcp3910_set_offset,
.set_scale = mcp3910_set_scale,
+ .get_raw = mcp3910_get_raw,
},
[MCP3911] = {
.channels = mcp3911_channels,
@@ -810,6 +833,7 @@ static const struct mcp3911_chip_info mcp3911_chip_info[] = {
.get_offset = mcp3911_get_offset,
.set_offset = mcp3911_set_offset,
.set_scale = mcp3911_set_scale,
+ .get_raw = mcp3911_get_raw,
},
[MCP3912] = {
.channels = mcp3912_channels,
@@ -821,6 +845,7 @@ static const struct mcp3911_chip_info mcp3911_chip_info[] = {
.get_offset = mcp3910_get_offset,
.set_offset = mcp3910_set_offset,
.set_scale = mcp3910_set_scale,
+ .get_raw = mcp3910_get_raw,
},
[MCP3913] = {
.channels = mcp3913_channels,
@@ -832,6 +857,7 @@ static const struct mcp3911_chip_info mcp3911_chip_info[] = {
.get_offset = mcp3910_get_offset,
.set_offset = mcp3910_set_offset,
.set_scale = mcp3910_set_scale,
+ .get_raw = mcp3910_get_raw,
},
[MCP3914] = {
.channels = mcp3914_channels,
@@ -843,6 +869,7 @@ static const struct mcp3911_chip_info mcp3911_chip_info[] = {
.get_offset = mcp3910_get_offset,
.set_offset = mcp3910_set_offset,
.set_scale = mcp3910_set_scale,
+ .get_raw = mcp3910_get_raw,
},
[MCP3918] = {
.channels = mcp3918_channels,
@@ -854,6 +881,7 @@ static const struct mcp3911_chip_info mcp3911_chip_info[] = {
.get_offset = mcp3910_get_offset,
.set_offset = mcp3910_set_offset,
.set_scale = mcp3910_set_scale,
+ .get_raw = mcp3910_get_raw,
},
[MCP3919] = {
.channels = mcp3919_channels,
@@ -865,6 +893,7 @@ static const struct mcp3911_chip_info mcp3911_chip_info[] = {
.get_offset = mcp3910_get_offset,
.set_offset = mcp3910_set_offset,
.set_scale = mcp3910_set_scale,
+ .get_raw = mcp3910_get_raw,
},
};
static const struct of_device_id mcp3911_dt_ids[] = {
diff --git a/drivers/iio/adc/pac1934.c b/drivers/iio/adc/pac1934.c
index 7ef249d83286..c3f9fa307b84 100644
--- a/drivers/iio/adc/pac1934.c
+++ b/drivers/iio/adc/pac1934.c
@@ -1081,7 +1081,7 @@ static int pac1934_chip_identify(struct pac1934_chip_info *info)
/*
* documentation related to the ACPI device definition
- * https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ApplicationNotes/ApplicationNotes/PAC1934-Integration-Notes-for-Microsoft-Windows-10-and-Windows-11-Driver-Support-DS00002534.pdf
+ * https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ApplicationNotes/ApplicationNotes/PAC193X-Integration-Notes-for-Microsoft-Windows-10-and-Windows-11-Driver-Support-DS00002534.pdf
*/
static int pac1934_acpi_parse_channel_config(struct i2c_client *client,
struct pac1934_chip_info *info)
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index dfd47a6e1f4a..e4dcd9e782af 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c
@@ -480,15 +480,6 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
if (info->reset)
rockchip_saradc_reset_controller(info->reset);
- /*
- * Use a default value for the converter clock.
- * This may become user-configurable in the future.
- */
- ret = clk_set_rate(info->clk, info->data->clk_rate);
- if (ret < 0)
- return dev_err_probe(&pdev->dev, ret,
- "failed to set adc clk rate\n");
-
ret = regulator_enable(info->vref);
if (ret < 0)
return dev_err_probe(&pdev->dev, ret,
@@ -515,6 +506,14 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
if (IS_ERR(info->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(info->clk),
"failed to get adc clock\n");
+ /*
+ * Use a default value for the converter clock.
+ * This may become user-configurable in the future.
+ */
+ ret = clk_set_rate(info->clk, info->data->clk_rate);
+ if (ret < 0)
+ return dev_err_probe(&pdev->dev, ret,
+ "failed to set adc clk rate\n");
platform_set_drvdata(pdev, indio_dev);
diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index 616dd729666a..97ea15cba9f7 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -429,10 +429,9 @@ 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;
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-29 11:47:16 +0300