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Diffstat (limited to 'drivers/iio/industrialio-core.c')
-rw-r--r--drivers/iio/industrialio-core.c74
1 files changed, 50 insertions, 24 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index ede16aec20fb..4b1f375c5659 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -84,6 +84,9 @@ static const char * const iio_modifier_names[] = {
[IIO_MOD_LIGHT_RED] = "red",
[IIO_MOD_LIGHT_GREEN] = "green",
[IIO_MOD_LIGHT_BLUE] = "blue",
+ [IIO_MOD_QUATERNION] = "quaternion",
+ [IIO_MOD_TEMP_AMBIENT] = "ambient",
+ [IIO_MOD_TEMP_OBJECT] = "object",
};
/* relies on pairs of these shared then separate */
@@ -340,7 +343,7 @@ ssize_t iio_enum_read(struct iio_dev *indio_dev,
else if (i >= e->num_items)
return -EINVAL;
- return sprintf(buf, "%s\n", e->items[i]);
+ return snprintf(buf, PAGE_SIZE, "%s\n", e->items[i]);
}
EXPORT_SYMBOL_GPL(iio_enum_read);
@@ -373,41 +376,53 @@ EXPORT_SYMBOL_GPL(iio_enum_write);
* @buf: The buffer to which the formated value gets written
* @type: One of the IIO_VAL_... constants. This decides how the val and val2
* parameters are formatted.
- * @val: First part of the value, exact meaning depends on the type parameter.
- * @val2: Second part of the value, exact meaning depends on the type parameter.
+ * @vals: pointer to the values, exact meaning depends on the type parameter.
*/
-ssize_t iio_format_value(char *buf, unsigned int type, int val, int val2)
+ssize_t iio_format_value(char *buf, unsigned int type, int size, int *vals)
{
unsigned long long tmp;
bool scale_db = false;
switch (type) {
case IIO_VAL_INT:
- return sprintf(buf, "%d\n", val);
+ return sprintf(buf, "%d\n", vals[0]);
case IIO_VAL_INT_PLUS_MICRO_DB:
scale_db = true;
case IIO_VAL_INT_PLUS_MICRO:
- if (val2 < 0)
- return sprintf(buf, "-%ld.%06u%s\n", abs(val), -val2,
+ if (vals[1] < 0)
+ return sprintf(buf, "-%ld.%06u%s\n", abs(vals[0]),
+ -vals[1],
scale_db ? " dB" : "");
else
- return sprintf(buf, "%d.%06u%s\n", val, val2,
+ return sprintf(buf, "%d.%06u%s\n", vals[0], vals[1],
scale_db ? " dB" : "");
case IIO_VAL_INT_PLUS_NANO:
- if (val2 < 0)
- return sprintf(buf, "-%ld.%09u\n", abs(val), -val2);
+ if (vals[1] < 0)
+ return sprintf(buf, "-%ld.%09u\n", abs(vals[0]),
+ -vals[1]);
else
- return sprintf(buf, "%d.%09u\n", val, val2);
+ return sprintf(buf, "%d.%09u\n", vals[0], vals[1]);
case IIO_VAL_FRACTIONAL:
- tmp = div_s64((s64)val * 1000000000LL, val2);
- val2 = do_div(tmp, 1000000000LL);
- val = tmp;
- return sprintf(buf, "%d.%09u\n", val, val2);
+ tmp = div_s64((s64)vals[0] * 1000000000LL, vals[1]);
+ vals[1] = do_div(tmp, 1000000000LL);
+ vals[0] = tmp;
+ return sprintf(buf, "%d.%09u\n", vals[0], vals[1]);
case IIO_VAL_FRACTIONAL_LOG2:
- tmp = (s64)val * 1000000000LL >> val2;
- val2 = do_div(tmp, 1000000000LL);
- val = tmp;
- return sprintf(buf, "%d.%09u\n", val, val2);
+ tmp = (s64)vals[0] * 1000000000LL >> vals[1];
+ vals[1] = do_div(tmp, 1000000000LL);
+ vals[0] = tmp;
+ return sprintf(buf, "%d.%09u\n", vals[0], vals[1]);
+ case IIO_VAL_INT_MULTIPLE:
+ {
+ int i;
+ int len = 0;
+
+ for (i = 0; i < size; ++i)
+ len += snprintf(&buf[len], PAGE_SIZE - len, "%d ",
+ vals[i]);
+ len += snprintf(&buf[len], PAGE_SIZE - len, "\n");
+ return len;
+ }
default:
return 0;
}
@@ -419,14 +434,23 @@ static ssize_t iio_read_channel_info(struct device *dev,
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
- int val, val2;
- int ret = indio_dev->info->read_raw(indio_dev, this_attr->c,
- &val, &val2, this_attr->address);
+ int vals[INDIO_MAX_RAW_ELEMENTS];
+ int ret;
+ int val_len = 2;
+
+ if (indio_dev->info->read_raw_multi)
+ ret = indio_dev->info->read_raw_multi(indio_dev, this_attr->c,
+ INDIO_MAX_RAW_ELEMENTS,
+ vals, &val_len,
+ this_attr->address);
+ else
+ ret = indio_dev->info->read_raw(indio_dev, this_attr->c,
+ &vals[0], &vals[1], this_attr->address);
if (ret < 0)
return ret;
- return iio_format_value(buf, ret, val, val2);
+ return iio_format_value(buf, ret, val_len, vals);
}
/**
@@ -716,6 +740,8 @@ static int iio_device_add_info_mask_type(struct iio_dev *indio_dev,
int i, ret, attrcount = 0;
for_each_set_bit(i, infomask, sizeof(infomask)*8) {
+ if (i >= ARRAY_SIZE(iio_chan_info_postfix))
+ return -EINVAL;
ret = __iio_add_chan_devattr(iio_chan_info_postfix[i],
chan,
&iio_read_channel_info,
@@ -820,7 +846,7 @@ static ssize_t iio_show_dev_name(struct device *dev,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- return sprintf(buf, "%s\n", indio_dev->name);
+ return snprintf(buf, PAGE_SIZE, "%s\n", indio_dev->name);
}
static DEVICE_ATTR(name, S_IRUGO, iio_show_dev_name, NULL);