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path: root/drivers/staging/iio/adc/max1363_core.c
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Diffstat (limited to 'drivers/staging/iio/adc/max1363_core.c')
-rw-r--r--drivers/staging/iio/adc/max1363_core.c208
1 files changed, 147 insertions, 61 deletions
diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c
index 6435e50..dde097a 100644
--- a/drivers/staging/iio/adc/max1363_core.c
+++ b/drivers/staging/iio/adc/max1363_core.c
@@ -42,11 +42,10 @@
/* Here we claim all are 16 bits. This currently does no harm and saves
* us a lot of scan element listings */
-#define MAX1363_SCAN_EL(number) \
- IIO_SCAN_EL_C(in##number, number, IIO_UNSIGNED(16), 0, NULL);
+#define MAX1363_SCAN_EL(number) \
+ IIO_SCAN_EL_C(in##number, number, 0, NULL);
#define MAX1363_SCAN_EL_D(p, n, number) \
- IIO_SCAN_NAMED_EL_C(in##p##m##in##n, in##p-in##n, \
- number, IIO_SIGNED(16), 0, NULL);
+ IIO_SCAN_NAMED_EL_C(in##p##m##in##n, in##p-in##n, number, 0, NULL);
static MAX1363_SCAN_EL(0);
static MAX1363_SCAN_EL(1);
@@ -148,17 +147,59 @@ const struct max1363_mode
return NULL;
}
-static ssize_t max1363_show_precision(struct device *dev,
+static ssize_t max1363_show_precision_u(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct iio_dev *dev_info = dev_get_drvdata(dev);
+ struct iio_ring_buffer *ring = dev_get_drvdata(dev);
+ struct iio_dev *dev_info = ring->indio_dev;
+ struct max1363_state *st = iio_dev_get_devdata(dev_info);
+ return sprintf(buf, "u%d/16\n", st->chip_info->bits);
+}
+
+static ssize_t max1363_show_precision_s(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct iio_ring_buffer *ring = dev_get_drvdata(dev);
+ struct iio_dev *dev_info = ring->indio_dev;
struct max1363_state *st = iio_dev_get_devdata(dev_info);
- return sprintf(buf, "%d\n", st->chip_info->bits);
+ return sprintf(buf, "s%d/16\n", st->chip_info->bits);
}
-static IIO_DEVICE_ATTR(in_precision, S_IRUGO, max1363_show_precision,
- NULL, 0);
+#define MAX1363_SCAN_TYPE(n) \
+ DEVICE_ATTR(in##n##_type, S_IRUGO, \
+ max1363_show_precision_u, NULL);
+#define MAX1363_SCAN_TYPE_D(p, n) \
+ struct device_attribute dev_attr_in##p##m##in##n##_type = \
+ __ATTR(in##p-in##n##_type, S_IRUGO, \
+ max1363_show_precision_s, NULL);
+
+static MAX1363_SCAN_TYPE(0);
+static MAX1363_SCAN_TYPE(1);
+static MAX1363_SCAN_TYPE(2);
+static MAX1363_SCAN_TYPE(3);
+static MAX1363_SCAN_TYPE(4);
+static MAX1363_SCAN_TYPE(5);
+static MAX1363_SCAN_TYPE(6);
+static MAX1363_SCAN_TYPE(7);
+static MAX1363_SCAN_TYPE(8);
+static MAX1363_SCAN_TYPE(9);
+static MAX1363_SCAN_TYPE(10);
+static MAX1363_SCAN_TYPE(11);
+
+static MAX1363_SCAN_TYPE_D(0, 1);
+static MAX1363_SCAN_TYPE_D(2, 3);
+static MAX1363_SCAN_TYPE_D(4, 5);
+static MAX1363_SCAN_TYPE_D(6, 7);
+static MAX1363_SCAN_TYPE_D(8, 9);
+static MAX1363_SCAN_TYPE_D(10, 11);
+static MAX1363_SCAN_TYPE_D(1, 0);
+static MAX1363_SCAN_TYPE_D(3, 2);
+static MAX1363_SCAN_TYPE_D(5, 4);
+static MAX1363_SCAN_TYPE_D(7, 6);
+static MAX1363_SCAN_TYPE_D(9, 8);
+static MAX1363_SCAN_TYPE_D(11, 10);
static int max1363_write_basic_config(struct i2c_client *client,
unsigned char d1,
@@ -345,15 +386,22 @@ static struct attribute_group max1363_dev_attr_group = {
};
static struct attribute *max1363_scan_el_attrs[] = {
- &iio_scan_el_in0.dev_attr.attr,
- &iio_scan_el_in1.dev_attr.attr,
- &iio_scan_el_in2.dev_attr.attr,
- &iio_scan_el_in3.dev_attr.attr,
- &iio_scan_el_in0min1.dev_attr.attr,
- &iio_scan_el_in2min3.dev_attr.attr,
- &iio_scan_el_in1min0.dev_attr.attr,
- &iio_scan_el_in3min2.dev_attr.attr,
- &iio_dev_attr_in_precision.dev_attr.attr,
+ &iio_scan_el_in0.dev_attr.attr, &dev_attr_in0_type.attr,
+ &iio_const_attr_in0_index.dev_attr.attr,
+ &iio_scan_el_in1.dev_attr.attr, &dev_attr_in1_type.attr,
+ &iio_const_attr_in1_index.dev_attr.attr,
+ &iio_scan_el_in2.dev_attr.attr, &dev_attr_in2_type.attr,
+ &iio_const_attr_in2_index.dev_attr.attr,
+ &iio_scan_el_in3.dev_attr.attr, &dev_attr_in3_type.attr,
+ &iio_const_attr_in3_index.dev_attr.attr,
+ &iio_scan_el_in0min1.dev_attr.attr, &dev_attr_in0min1_type.attr,
+ &iio_const_attr_in0min1_index.dev_attr.attr,
+ &iio_scan_el_in2min3.dev_attr.attr, &dev_attr_in2min3_type.attr,
+ &iio_const_attr_in2min3_index.dev_attr.attr,
+ &iio_scan_el_in1min0.dev_attr.attr, &dev_attr_in1min0_type.attr,
+ &iio_const_attr_in1min0_index.dev_attr.attr,
+ &iio_scan_el_in3min2.dev_attr.attr, &dev_attr_in3min2_type.attr,
+ &iio_const_attr_in3min2_index.dev_attr.attr,
NULL,
};
@@ -419,31 +467,54 @@ static struct attribute_group max1238_dev_attr_group = {
};
static struct attribute *max1238_scan_el_attrs[] = {
- &iio_scan_el_in0.dev_attr.attr,
- &iio_scan_el_in1.dev_attr.attr,
- &iio_scan_el_in2.dev_attr.attr,
- &iio_scan_el_in3.dev_attr.attr,
- &iio_scan_el_in4.dev_attr.attr,
- &iio_scan_el_in5.dev_attr.attr,
- &iio_scan_el_in6.dev_attr.attr,
- &iio_scan_el_in7.dev_attr.attr,
- &iio_scan_el_in8.dev_attr.attr,
- &iio_scan_el_in9.dev_attr.attr,
- &iio_scan_el_in10.dev_attr.attr,
- &iio_scan_el_in11.dev_attr.attr,
- &iio_scan_el_in0min1.dev_attr.attr,
- &iio_scan_el_in2min3.dev_attr.attr,
- &iio_scan_el_in4min5.dev_attr.attr,
- &iio_scan_el_in6min7.dev_attr.attr,
- &iio_scan_el_in8min9.dev_attr.attr,
- &iio_scan_el_in10min11.dev_attr.attr,
- &iio_scan_el_in1min0.dev_attr.attr,
- &iio_scan_el_in3min2.dev_attr.attr,
- &iio_scan_el_in5min4.dev_attr.attr,
- &iio_scan_el_in7min6.dev_attr.attr,
- &iio_scan_el_in9min8.dev_attr.attr,
- &iio_scan_el_in11min10.dev_attr.attr,
- &iio_dev_attr_in_precision.dev_attr.attr,
+ &iio_scan_el_in0.dev_attr.attr, &dev_attr_in0_type.attr,
+ &iio_const_attr_in0_index.dev_attr.attr,
+ &iio_scan_el_in1.dev_attr.attr, &dev_attr_in1_type.attr,
+ &iio_const_attr_in1_index.dev_attr.attr,
+ &iio_scan_el_in2.dev_attr.attr, &dev_attr_in2_type.attr,
+ &iio_const_attr_in2_index.dev_attr.attr,
+ &iio_scan_el_in3.dev_attr.attr, &dev_attr_in3_type.attr,
+ &iio_const_attr_in3_index.dev_attr.attr,
+ &iio_scan_el_in4.dev_attr.attr, &dev_attr_in4_type.attr,
+ &iio_const_attr_in4_index.dev_attr.attr,
+ &iio_scan_el_in5.dev_attr.attr, &dev_attr_in5_type.attr,
+ &iio_const_attr_in5_index.dev_attr.attr,
+ &iio_scan_el_in6.dev_attr.attr, &dev_attr_in6_type.attr,
+ &iio_const_attr_in6_index.dev_attr.attr,
+ &iio_scan_el_in7.dev_attr.attr, &dev_attr_in7_type.attr,
+ &iio_const_attr_in7_index.dev_attr.attr,
+ &iio_scan_el_in8.dev_attr.attr, &dev_attr_in8_type.attr,
+ &iio_const_attr_in8_index.dev_attr.attr,
+ &iio_scan_el_in9.dev_attr.attr, &dev_attr_in9_type.attr,
+ &iio_const_attr_in9_index.dev_attr.attr,
+ &iio_scan_el_in10.dev_attr.attr, &dev_attr_in10_type.attr,
+ &iio_const_attr_in10_index.dev_attr.attr,
+ &iio_scan_el_in11.dev_attr.attr, &dev_attr_in11_type.attr,
+ &iio_const_attr_in11_index.dev_attr.attr,
+ &iio_scan_el_in0min1.dev_attr.attr, &dev_attr_in0min1_type.attr,
+ &iio_const_attr_in0min1_index.dev_attr.attr,
+ &iio_scan_el_in2min3.dev_attr.attr, &dev_attr_in2min3_type.attr,
+ &iio_const_attr_in2min3_index.dev_attr.attr,
+ &iio_scan_el_in4min5.dev_attr.attr, &dev_attr_in4min5_type.attr,
+ &iio_const_attr_in4min5_index.dev_attr.attr,
+ &iio_scan_el_in6min7.dev_attr.attr, &dev_attr_in6min7_type.attr,
+ &iio_const_attr_in6min7_index.dev_attr.attr,
+ &iio_scan_el_in8min9.dev_attr.attr, &dev_attr_in8min9_type.attr,
+ &iio_const_attr_in8min9_index.dev_attr.attr,
+ &iio_scan_el_in10min11.dev_attr.attr, &dev_attr_in10min11_type.attr,
+ &iio_const_attr_in10min11_index.dev_attr.attr,
+ &iio_scan_el_in1min0.dev_attr.attr, &dev_attr_in1min0_type.attr,
+ &iio_const_attr_in1min0_index.dev_attr.attr,
+ &iio_scan_el_in3min2.dev_attr.attr, &dev_attr_in3min2_type.attr,
+ &iio_const_attr_in3min2_index.dev_attr.attr,
+ &iio_scan_el_in5min4.dev_attr.attr, &dev_attr_in5min4_type.attr,
+ &iio_const_attr_in5min4_index.dev_attr.attr,
+ &iio_scan_el_in7min6.dev_attr.attr, &dev_attr_in7min6_type.attr,
+ &iio_const_attr_in7min6_index.dev_attr.attr,
+ &iio_scan_el_in9min8.dev_attr.attr, &dev_attr_in9min8_type.attr,
+ &iio_const_attr_in9min8_index.dev_attr.attr,
+ &iio_scan_el_in11min10.dev_attr.attr, &dev_attr_in11min10_type.attr,
+ &iio_const_attr_in11min10_index.dev_attr.attr,
NULL,
};
@@ -498,23 +569,39 @@ static struct attribute_group max11608_dev_attr_group = {
};
static struct attribute *max11608_scan_el_attrs[] = {
- &iio_scan_el_in0.dev_attr.attr,
- &iio_scan_el_in1.dev_attr.attr,
- &iio_scan_el_in2.dev_attr.attr,
- &iio_scan_el_in3.dev_attr.attr,
- &iio_scan_el_in4.dev_attr.attr,
- &iio_scan_el_in5.dev_attr.attr,
- &iio_scan_el_in6.dev_attr.attr,
- &iio_scan_el_in7.dev_attr.attr,
- &iio_scan_el_in0min1.dev_attr.attr,
- &iio_scan_el_in2min3.dev_attr.attr,
- &iio_scan_el_in4min5.dev_attr.attr,
- &iio_scan_el_in6min7.dev_attr.attr,
- &iio_scan_el_in1min0.dev_attr.attr,
- &iio_scan_el_in3min2.dev_attr.attr,
- &iio_scan_el_in5min4.dev_attr.attr,
- &iio_scan_el_in7min6.dev_attr.attr,
- &iio_dev_attr_in_precision.dev_attr.attr,
+ &iio_scan_el_in0.dev_attr.attr, &dev_attr_in0_type.attr,
+ &iio_const_attr_in0_index.dev_attr.attr,
+ &iio_scan_el_in1.dev_attr.attr, &dev_attr_in1_type.attr,
+ &iio_const_attr_in1_index.dev_attr.attr,
+ &iio_scan_el_in2.dev_attr.attr, &dev_attr_in2_type.attr,
+ &iio_const_attr_in2_index.dev_attr.attr,
+ &iio_scan_el_in3.dev_attr.attr, &dev_attr_in3_type.attr,
+ &iio_const_attr_in3_index.dev_attr.attr,
+ &iio_scan_el_in4.dev_attr.attr, &dev_attr_in4_type.attr,
+ &iio_const_attr_in4_index.dev_attr.attr,
+ &iio_scan_el_in5.dev_attr.attr, &dev_attr_in5_type.attr,
+ &iio_const_attr_in5_index.dev_attr.attr,
+ &iio_scan_el_in6.dev_attr.attr, &dev_attr_in6_type.attr,
+ &iio_const_attr_in6_index.dev_attr.attr,
+ &iio_scan_el_in7.dev_attr.attr, &dev_attr_in7_type.attr,
+ &iio_const_attr_in7_index.dev_attr.attr,
+ &iio_scan_el_in0min1.dev_attr.attr, &dev_attr_in0min1_type.attr,
+ &iio_const_attr_in0min1_index.dev_attr.attr,
+ &iio_scan_el_in2min3.dev_attr.attr, &dev_attr_in2min3_type.attr,
+ &iio_const_attr_in2min3_index.dev_attr.attr,
+ &iio_scan_el_in4min5.dev_attr.attr, &dev_attr_in4min5_type.attr,
+ &iio_const_attr_in4min5_index.dev_attr.attr,
+ &iio_scan_el_in6min7.dev_attr.attr, &dev_attr_in6min7_type.attr,
+ &iio_const_attr_in6min7_index.dev_attr.attr,
+ &iio_scan_el_in1min0.dev_attr.attr, &dev_attr_in1min0_type.attr,
+ &iio_const_attr_in1min0_index.dev_attr.attr,
+ &iio_scan_el_in3min2.dev_attr.attr, &dev_attr_in3min2_type.attr,
+ &iio_const_attr_in3min2_index.dev_attr.attr,
+ &iio_scan_el_in5min4.dev_attr.attr, &dev_attr_in5min4_type.attr,
+ &iio_const_attr_in5min4_index.dev_attr.attr,
+ &iio_scan_el_in7min6.dev_attr.attr, &dev_attr_in7min6_type.attr,
+ &iio_const_attr_in7min6_index.dev_attr.attr,
+ NULL
};
static struct attribute_group max11608_scan_el_group = {
@@ -1631,7 +1718,6 @@ static int __devinit max1363_probe(struct i2c_client *client,
st->indio_dev->attrs = st->chip_info->dev_attrs;
/* Todo: this shouldn't be here. */
- st->indio_dev->scan_el_attrs = st->chip_info->scan_attrs;
st->indio_dev->dev_data = (void *)(st);
st->indio_dev->driver_module = THIS_MODULE;
st->indio_dev->modes = INDIO_DIRECT_MODE;
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