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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2013-11-27 22:19:00 +0000
committerJonathan Cameron <jic23@kernel.org>2013-12-02 21:05:30 +0000
commit9f740ffa8134aaef770f964485dac3ed6780d8b7 (patch)
tree31d09c550baafe58d827162d41b5d4d7f3871700 /drivers/hid
parent930ba4a374b96560ef9fde2145cdc454a164ddcc (diff)
downloadlinux-9f740ffa8134aaef770f964485dac3ed6780d8b7.tar.bz2
HID: hid-sensor-hub: Add logical min and max
Exporting logical minimum and maximum of HID fields as part of the hid sensor attribute info. This can be used for range checking and to calculate enumeration base for NAry fields of HID sensor hub. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-sensor-hub.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index a184e1921c11..d87f7cb4bee5 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -112,13 +112,15 @@ static int sensor_hub_get_physical_device_count(
static void sensor_hub_fill_attr_info(
struct hid_sensor_hub_attribute_info *info,
- s32 index, s32 report_id, s32 units, s32 unit_expo, s32 size)
+ s32 index, s32 report_id, struct hid_field *field)
{
info->index = index;
info->report_id = report_id;
- info->units = units;
- info->unit_expo = unit_expo;
- info->size = size/8;
+ info->units = field->unit;
+ info->unit_expo = field->unit_exponent;
+ info->size = (field->report_size * field->report_count)/8;
+ info->logical_minimum = field->logical_minimum;
+ info->logical_maximum = field->logical_maximum;
}
static struct hid_sensor_hub_callbacks *sensor_hub_get_callback(
@@ -325,9 +327,7 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev,
if (field->physical == usage_id &&
field->logical == attr_usage_id) {
sensor_hub_fill_attr_info(info, i, report->id,
- field->unit, field->unit_exponent,
- field->report_size *
- field->report_count);
+ field);
ret = 0;
} else {
for (j = 0; j < field->maxusage; ++j) {
@@ -336,11 +336,7 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev,
field->usage[j].collection_index ==
collection_index) {
sensor_hub_fill_attr_info(info,
- i, report->id,
- field->unit,
- field->unit_exponent,
- field->report_size *
- field->report_count);
+ i, report->id, field);
ret = 0;
break;
}