summaryrefslogtreecommitdiff
path: root/drivers/iio/adc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/adc')
-rw-r--r--drivers/iio/adc/ad7266.c7
-rw-r--r--drivers/iio/adc/ad7476.c11
-rw-r--r--drivers/iio/adc/ad7791.c36
-rw-r--r--drivers/iio/adc/ad7793.c32
-rw-r--r--drivers/iio/adc/ad7887.c11
-rw-r--r--drivers/iio/adc/ad7923.c11
-rw-r--r--drivers/iio/adc/ad799x.c24
-rw-r--r--drivers/iio/adc/mxs-lradc.c34
-rw-r--r--drivers/iio/adc/nau7802.c19
-rw-r--r--drivers/iio/adc/ti-ads1015.c128
-rw-r--r--drivers/iio/adc/ti_am335x_adc.c22
11 files changed, 198 insertions, 137 deletions
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index 21e19b6..01240ae 100644
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -154,12 +154,11 @@ static int ad7266_read_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_RAW:
- if (iio_buffer_enabled(indio_dev))
- return -EBUSY;
-
- ret = ad7266_read_single(st, val, chan->address);
+ ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
+ ret = ad7266_read_single(st, val, chan->address);
+ iio_device_release_direct_mode(indio_dev);
*val = (*val >> 2) & 0xfff;
if (chan->scan_type.sign == 's')
diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index be85c2a..810c9a9 100644
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -106,12 +106,11 @@ static int ad7476_read_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_RAW:
- mutex_lock(&indio_dev->mlock);
- if (iio_buffer_enabled(indio_dev))
- ret = -EBUSY;
- else
- ret = ad7476_scan_direct(st);
- mutex_unlock(&indio_dev->mlock);
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
+ ret = ad7476_scan_direct(st);
+ iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c
index cf172d58..1dfe641 100644
--- a/drivers/iio/adc/ad7791.c
+++ b/drivers/iio/adc/ad7791.c
@@ -272,30 +272,22 @@ static ssize_t ad7791_write_frequency(struct device *dev,
struct ad7791_state *st = iio_priv(indio_dev);
int i, ret;
- mutex_lock(&indio_dev->mlock);
- if (iio_buffer_enabled(indio_dev)) {
- mutex_unlock(&indio_dev->mlock);
- return -EBUSY;
- }
- mutex_unlock(&indio_dev->mlock);
-
- ret = -EINVAL;
-
- for (i = 0; i < ARRAY_SIZE(ad7791_sample_freq_avail); i++) {
- if (sysfs_streq(ad7791_sample_freq_avail[i], buf)) {
-
- mutex_lock(&indio_dev->mlock);
- st->filter &= ~AD7791_FILTER_RATE_MASK;
- st->filter |= i;
- ad_sd_write_reg(&st->sd, AD7791_REG_FILTER,
- sizeof(st->filter), st->filter);
- mutex_unlock(&indio_dev->mlock);
- ret = 0;
+ for (i = 0; i < ARRAY_SIZE(ad7791_sample_freq_avail); i++)
+ if (sysfs_streq(ad7791_sample_freq_avail[i], buf))
break;
- }
- }
+ if (i == ARRAY_SIZE(ad7791_sample_freq_avail))
+ return -EINVAL;
+
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
+ st->filter &= ~AD7791_FILTER_RATE_MASK;
+ st->filter |= i;
+ ad_sd_write_reg(&st->sd, AD7791_REG_FILTER, sizeof(st->filter),
+ st->filter);
+ iio_device_release_direct_mode(indio_dev);
- return ret ? ret : len;
+ return len;
}
static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index 7b07bb6..a43722f 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -369,13 +369,6 @@ static ssize_t ad7793_write_frequency(struct device *dev,
long lval;
int i, ret;
- mutex_lock(&indio_dev->mlock);
- if (iio_buffer_enabled(indio_dev)) {
- mutex_unlock(&indio_dev->mlock);
- return -EBUSY;
- }
- mutex_unlock(&indio_dev->mlock);
-
ret = kstrtol(buf, 10, &lval);
if (ret)
return ret;
@@ -383,20 +376,21 @@ static ssize_t ad7793_write_frequency(struct device *dev,
if (lval == 0)
return -EINVAL;
- ret = -EINVAL;
-
for (i = 0; i < 16; i++)
- if (lval == st->chip_info->sample_freq_avail[i]) {
- mutex_lock(&indio_dev->mlock);
- st->mode &= ~AD7793_MODE_RATE(-1);
- st->mode |= AD7793_MODE_RATE(i);
- ad_sd_write_reg(&st->sd, AD7793_REG_MODE,
- sizeof(st->mode), st->mode);
- mutex_unlock(&indio_dev->mlock);
- ret = 0;
- }
+ if (lval == st->chip_info->sample_freq_avail[i])
+ break;
+ if (i == 16)
+ return -EINVAL;
- return ret ? ret : len;
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
+ st->mode &= ~AD7793_MODE_RATE(-1);
+ st->mode |= AD7793_MODE_RATE(i);
+ ad_sd_write_reg(&st->sd, AD7793_REG_MODE, sizeof(st->mode), st->mode);
+ iio_device_release_direct_mode(indio_dev);
+
+ return len;
}
static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c
index 2d3c397..ee2ccc1 100644
--- a/drivers/iio/adc/ad7887.c
+++ b/drivers/iio/adc/ad7887.c
@@ -156,12 +156,11 @@ static int ad7887_read_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_RAW:
- mutex_lock(&indio_dev->mlock);
- if (iio_buffer_enabled(indio_dev))
- ret = -EBUSY;
- else
- ret = ad7887_scan_direct(st, chan->address);
- mutex_unlock(&indio_dev->mlock);
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
+ ret = ad7887_scan_direct(st, chan->address);
+ iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
index 45e29cc..ff444c1 100644
--- a/drivers/iio/adc/ad7923.c
+++ b/drivers/iio/adc/ad7923.c
@@ -233,12 +233,11 @@ static int ad7923_read_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_RAW:
- mutex_lock(&indio_dev->mlock);
- if (iio_buffer_enabled(indio_dev))
- ret = -EBUSY;
- else
- ret = ad7923_scan_direct(st, chan->address);
- mutex_unlock(&indio_dev->mlock);
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
+ ret = ad7923_scan_direct(st, chan->address);
+ iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index a3f5254..ec0200d 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -282,12 +282,11 @@ static int ad799x_read_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_RAW:
- mutex_lock(&indio_dev->mlock);
- if (iio_buffer_enabled(indio_dev))
- ret = -EBUSY;
- else
- ret = ad799x_scan_direct(st, chan->scan_index);
- mutex_unlock(&indio_dev->mlock);
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
+ ret = ad799x_scan_direct(st, chan->scan_index);
+ iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
@@ -395,11 +394,9 @@ static int ad799x_write_event_config(struct iio_dev *indio_dev,
struct ad799x_state *st = iio_priv(indio_dev);
int ret;
- mutex_lock(&indio_dev->mlock);
- if (iio_buffer_enabled(indio_dev)) {
- ret = -EBUSY;
- goto done;
- }
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
if (state)
st->config |= BIT(chan->scan_index) << AD799X_CHANNEL_SHIFT;
@@ -412,10 +409,7 @@ static int ad799x_write_event_config(struct iio_dev *indio_dev,
st->config &= ~AD7998_ALERT_EN;
ret = ad799x_write_config(st, st->config);
-
-done:
- mutex_unlock(&indio_dev->mlock);
-
+ iio_device_release_direct_mode(indio_dev);
return ret;
}
diff --git a/drivers/iio/adc/mxs-lradc.c b/drivers/iio/adc/mxs-lradc.c
index ad26da1..b84d37c 100644
--- a/drivers/iio/adc/mxs-lradc.c
+++ b/drivers/iio/adc/mxs-lradc.c
@@ -373,13 +373,6 @@ static u32 mxs_lradc_plate_mask(struct mxs_lradc *lradc)
return LRADC_CTRL0_MX28_PLATE_MASK;
}
-static u32 mxs_lradc_irq_en_mask(struct mxs_lradc *lradc)
-{
- if (lradc->soc == IMX23_LRADC)
- return LRADC_CTRL1_MX23_LRADC_IRQ_EN_MASK;
- return LRADC_CTRL1_MX28_LRADC_IRQ_EN_MASK;
-}
-
static u32 mxs_lradc_irq_mask(struct mxs_lradc *lradc)
{
if (lradc->soc == IMX23_LRADC)
@@ -1120,18 +1113,16 @@ static int mxs_lradc_ts_register(struct mxs_lradc *lradc)
{
struct input_dev *input;
struct device *dev = lradc->dev;
- int ret;
if (!lradc->use_touchscreen)
return 0;
- input = input_allocate_device();
+ input = devm_input_allocate_device(dev);
if (!input)
return -ENOMEM;
input->name = DRIVER_NAME;
input->id.bustype = BUS_HOST;
- input->dev.parent = dev;
input->open = mxs_lradc_ts_open;
input->close = mxs_lradc_ts_close;
@@ -1146,20 +1137,8 @@ static int mxs_lradc_ts_register(struct mxs_lradc *lradc)
lradc->ts_input = input;
input_set_drvdata(input, lradc);
- ret = input_register_device(input);
- if (ret)
- input_free_device(lradc->ts_input);
-
- return ret;
-}
-
-static void mxs_lradc_ts_unregister(struct mxs_lradc *lradc)
-{
- if (!lradc->use_touchscreen)
- return;
- mxs_lradc_disable_ts(lradc);
- input_unregister_device(lradc->ts_input);
+ return input_register_device(input);
}
/*
@@ -1510,7 +1489,9 @@ static void mxs_lradc_hw_stop(struct mxs_lradc *lradc)
{
int i;
- mxs_lradc_reg_clear(lradc, mxs_lradc_irq_en_mask(lradc), LRADC_CTRL1);
+ mxs_lradc_reg_clear(lradc,
+ lradc->buffer_vchans << LRADC_CTRL1_LRADC_IRQ_EN_OFFSET,
+ LRADC_CTRL1);
for (i = 0; i < LRADC_MAX_DELAY_CHANS; i++)
mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(i));
@@ -1721,13 +1702,11 @@ static int mxs_lradc_probe(struct platform_device *pdev)
ret = iio_device_register(iio);
if (ret) {
dev_err(dev, "Failed to register IIO device\n");
- goto err_ts;
+ return ret;
}
return 0;
-err_ts:
- mxs_lradc_ts_unregister(lradc);
err_ts_register:
mxs_lradc_hw_stop(lradc);
err_dev:
@@ -1745,7 +1724,6 @@ static int mxs_lradc_remove(struct platform_device *pdev)
struct mxs_lradc *lradc = iio_priv(iio);
iio_device_unregister(iio);
- mxs_lradc_ts_unregister(lradc);
mxs_lradc_hw_stop(lradc);
mxs_lradc_trigger_remove(iio);
iio_triggered_buffer_cleanup(iio);
diff --git a/drivers/iio/adc/nau7802.c b/drivers/iio/adc/nau7802.c
index e525aa6..57365c5 100644
--- a/drivers/iio/adc/nau7802.c
+++ b/drivers/iio/adc/nau7802.c
@@ -79,10 +79,29 @@ static const struct iio_chan_spec nau7802_chan_array[] = {
static const u16 nau7802_sample_freq_avail[] = {10, 20, 40, 80,
10, 10, 10, 320};
+static ssize_t nau7802_show_scales(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct nau7802_state *st = iio_priv(dev_to_iio_dev(dev));
+ int i, len = 0;
+
+ for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++)
+ len += scnprintf(buf + len, PAGE_SIZE - len, "0.%09d ",
+ st->scale_avail[i]);
+
+ buf[len-1] = '\n';
+
+ return len;
+}
+
static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("10 40 80 320");
+static IIO_DEVICE_ATTR(in_voltage_scale_available, S_IRUGO, nau7802_show_scales,
+ NULL, 0);
+
static struct attribute *nau7802_attributes[] = {
&iio_const_attr_sampling_frequency_available.dev_attr.attr,
+ &iio_dev_attr_in_voltage_scale_available.dev_attr.attr,
NULL
};
diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index 73cbf0b..8be192a 100644
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -55,6 +55,11 @@
#define ADS1015_DEFAULT_DATA_RATE 4
#define ADS1015_DEFAULT_CHAN 0
+enum {
+ ADS1015,
+ ADS1115,
+};
+
enum ads1015_channels {
ADS1015_AIN0_AIN1 = 0,
ADS1015_AIN0_AIN3,
@@ -71,6 +76,10 @@ static const unsigned int ads1015_data_rate[] = {
128, 250, 490, 920, 1600, 2400, 3300, 3300
};
+static const unsigned int ads1115_data_rate[] = {
+ 8, 16, 32, 64, 128, 250, 475, 860
+};
+
static const struct {
int scale;
int uscale;
@@ -101,6 +110,7 @@ static const struct {
.shift = 4, \
.endianness = IIO_CPU, \
}, \
+ .datasheet_name = "AIN"#_chan, \
}
#define ADS1015_V_DIFF_CHAN(_chan, _chan2, _addr) { \
@@ -121,6 +131,45 @@ static const struct {
.shift = 4, \
.endianness = IIO_CPU, \
}, \
+ .datasheet_name = "AIN"#_chan"-AIN"#_chan2, \
+}
+
+#define ADS1115_V_CHAN(_chan, _addr) { \
+ .type = IIO_VOLTAGE, \
+ .indexed = 1, \
+ .address = _addr, \
+ .channel = _chan, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE) | \
+ BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .scan_index = _addr, \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ }, \
+ .datasheet_name = "AIN"#_chan, \
+}
+
+#define ADS1115_V_DIFF_CHAN(_chan, _chan2, _addr) { \
+ .type = IIO_VOLTAGE, \
+ .differential = 1, \
+ .indexed = 1, \
+ .address = _addr, \
+ .channel = _chan, \
+ .channel2 = _chan2, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE) | \
+ BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .scan_index = _addr, \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ }, \
+ .datasheet_name = "AIN"#_chan"-AIN"#_chan2, \
}
struct ads1015_data {
@@ -131,6 +180,8 @@ struct ads1015_data {
*/
struct mutex lock;
struct ads1015_channel_data channel_data[ADS1015_CHANNELS];
+
+ unsigned int *data_rate;
};
static bool ads1015_is_writeable_reg(struct device *dev, unsigned int reg)
@@ -157,6 +208,18 @@ static const struct iio_chan_spec ads1015_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(ADS1015_TIMESTAMP),
};
+static const struct iio_chan_spec ads1115_channels[] = {
+ ADS1115_V_DIFF_CHAN(0, 1, ADS1015_AIN0_AIN1),
+ ADS1115_V_DIFF_CHAN(0, 3, ADS1015_AIN0_AIN3),
+ ADS1115_V_DIFF_CHAN(1, 3, ADS1015_AIN1_AIN3),
+ ADS1115_V_DIFF_CHAN(2, 3, ADS1015_AIN2_AIN3),
+ ADS1115_V_CHAN(0, ADS1015_AIN0),
+ ADS1115_V_CHAN(1, ADS1015_AIN1),
+ ADS1115_V_CHAN(2, ADS1015_AIN2),
+ ADS1115_V_CHAN(3, ADS1015_AIN3),
+ IIO_CHAN_SOFT_TIMESTAMP(ADS1015_TIMESTAMP),
+};
+
static int ads1015_set_power_state(struct ads1015_data *data, bool on)
{
int ret;
@@ -196,7 +259,7 @@ int ads1015_get_adc_result(struct ads1015_data *data, int chan, int *val)
return ret;
if (change) {
- conv_time = DIV_ROUND_UP(USEC_PER_SEC, ads1015_data_rate[dr]);
+ conv_time = DIV_ROUND_UP(USEC_PER_SEC, data->data_rate[dr]);
usleep_range(conv_time, conv_time + 1);
}
@@ -263,7 +326,7 @@ static int ads1015_set_data_rate(struct ads1015_data *data, int chan, int rate)
int i, ret, rindex = -1;
for (i = 0; i < ARRAY_SIZE(ads1015_data_rate); i++)
- if (ads1015_data_rate[i] == rate) {
+ if (data->data_rate[i] == rate) {
rindex = i;
break;
}
@@ -291,7 +354,9 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
mutex_lock(&data->lock);
switch (mask) {
- case IIO_CHAN_INFO_RAW:
+ case IIO_CHAN_INFO_RAW: {
+ int shift = chan->scan_type.shift;
+
if (iio_buffer_enabled(indio_dev)) {
ret = -EBUSY;
break;
@@ -307,8 +372,7 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
break;
}
- /* 12 bit res, D0 is bit 4 in conversion register */
- *val = sign_extend32(*val >> 4, 11);
+ *val = sign_extend32(*val >> shift, 15 - shift);
ret = ads1015_set_power_state(data, false);
if (ret < 0)
@@ -316,6 +380,7 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
ret = IIO_VAL_INT;
break;
+ }
case IIO_CHAN_INFO_SCALE:
idx = data->channel_data[chan->address].pga;
*val = ads1015_scale[idx].scale;
@@ -324,7 +389,7 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
break;
case IIO_CHAN_INFO_SAMP_FREQ:
idx = data->channel_data[chan->address].data_rate;
- *val = ads1015_data_rate[idx];
+ *val = data->data_rate[idx];
ret = IIO_VAL_INT;
break;
default:
@@ -380,12 +445,15 @@ static const struct iio_buffer_setup_ops ads1015_buffer_setup_ops = {
};
static IIO_CONST_ATTR(scale_available, "3 2 1 0.5 0.25 0.125");
-static IIO_CONST_ATTR(sampling_frequency_available,
- "128 250 490 920 1600 2400 3300");
+
+static IIO_CONST_ATTR_NAMED(ads1015_sampling_frequency_available,
+ sampling_frequency_available, "128 250 490 920 1600 2400 3300");
+static IIO_CONST_ATTR_NAMED(ads1115_sampling_frequency_available,
+ sampling_frequency_available, "8 16 32 64 128 250 475 860");
static struct attribute *ads1015_attributes[] = {
&iio_const_attr_scale_available.dev_attr.attr,
- &iio_const_attr_sampling_frequency_available.dev_attr.attr,
+ &iio_const_attr_ads1015_sampling_frequency_available.dev_attr.attr,
NULL,
};
@@ -393,11 +461,28 @@ static const struct attribute_group ads1015_attribute_group = {
.attrs = ads1015_attributes,
};
-static const struct iio_info ads1015_info = {
+static struct attribute *ads1115_attributes[] = {
+ &iio_const_attr_scale_available.dev_attr.attr,
+ &iio_const_attr_ads1115_sampling_frequency_available.dev_attr.attr,
+ NULL,
+};
+
+static const struct attribute_group ads1115_attribute_group = {
+ .attrs = ads1115_attributes,
+};
+
+static struct iio_info ads1015_info = {
+ .driver_module = THIS_MODULE,
+ .read_raw = ads1015_read_raw,
+ .write_raw = ads1015_write_raw,
+ .attrs = &ads1015_attribute_group,
+};
+
+static struct iio_info ads1115_info = {
.driver_module = THIS_MODULE,
.read_raw = ads1015_read_raw,
.write_raw = ads1015_write_raw,
- .attrs = &ads1015_attribute_group,
+ .attrs = &ads1115_attribute_group,
};
#ifdef CONFIG_OF
@@ -500,12 +585,24 @@ static int ads1015_probe(struct i2c_client *client,
mutex_init(&data->lock);
indio_dev->dev.parent = &client->dev;
- indio_dev->info = &ads1015_info;
indio_dev->name = ADS1015_DRV_NAME;
- indio_dev->channels = ads1015_channels;
- indio_dev->num_channels = ARRAY_SIZE(ads1015_channels);
indio_dev->modes = INDIO_DIRECT_MODE;
+ switch (id->driver_data) {
+ case ADS1015:
+ indio_dev->channels = ads1015_channels;
+ indio_dev->num_channels = ARRAY_SIZE(ads1015_channels);
+ indio_dev->info = &ads1015_info;
+ data->data_rate = (unsigned int *) &ads1015_data_rate;
+ break;
+ case ADS1115:
+ indio_dev->channels = ads1115_channels;
+ indio_dev->num_channels = ARRAY_SIZE(ads1115_channels);
+ indio_dev->info = &ads1115_info;
+ data->data_rate = (unsigned int *) &ads1115_data_rate;
+ break;
+ }
+
/* we need to keep this ABI the same as used by hwmon ADS1015 driver */
ads1015_get_channels_config(client);
@@ -590,7 +687,8 @@ static const struct dev_pm_ops ads1015_pm_ops = {
};
static const struct i2c_device_id ads1015_id[] = {
- {"ads1015", 0},
+ {"ads1015", ADS1015},
+ {"ads1115", ADS1115},
{}
};
MODULE_DEVICE_TABLE(i2c, ads1015_id);
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index c1e0553..8a36875 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -326,8 +326,7 @@ static int tiadc_channel_init(struct iio_dev *indio_dev, int channels)
int i;
indio_dev->num_channels = channels;
- chan_array = kcalloc(channels,
- sizeof(struct iio_chan_spec), GFP_KERNEL);
+ chan_array = kcalloc(channels, sizeof(*chan_array), GFP_KERNEL);
if (chan_array == NULL)
return -ENOMEM;
@@ -467,8 +466,7 @@ static int tiadc_probe(struct platform_device *pdev)
return -EINVAL;
}
- indio_dev = devm_iio_device_alloc(&pdev->dev,
- sizeof(struct tiadc_device));
+ indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*indio_dev));
if (indio_dev == NULL) {
dev_err(&pdev->dev, "failed to allocate iio device\n");
return -ENOMEM;
@@ -531,8 +529,7 @@ static int tiadc_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM
-static int tiadc_suspend(struct device *dev)
+static int __maybe_unused tiadc_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct tiadc_device *adc_dev = iio_priv(indio_dev);
@@ -550,7 +547,7 @@ static int tiadc_suspend(struct device *dev)
return 0;
}
-static int tiadc_resume(struct device *dev)
+static int __maybe_unused tiadc_resume(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct tiadc_device *adc_dev = iio_priv(indio_dev);
@@ -567,14 +564,7 @@ static int tiadc_resume(struct device *dev)
return 0;
}
-static const struct dev_pm_ops tiadc_pm_ops = {
- .suspend = tiadc_suspend,
- .resume = tiadc_resume,
-};
-#define TIADC_PM_OPS (&tiadc_pm_ops)
-#else
-#define TIADC_PM_OPS NULL
-#endif
+static SIMPLE_DEV_PM_OPS(tiadc_pm_ops, tiadc_suspend, tiadc_resume);
static const struct of_device_id ti_adc_dt_ids[] = {
{ .compatible = "ti,am3359-adc", },
@@ -585,7 +575,7 @@ MODULE_DEVICE_TABLE(of, ti_adc_dt_ids);
static struct platform_driver tiadc_driver = {
.driver = {
.name = "TI-am335x-adc",
- .pm = TIADC_PM_OPS,
+ .pm = &tiadc_pm_ops,
.of_match_table = ti_adc_dt_ids,
},
.probe = tiadc_probe,