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authorHenrik Rydberg <rydberg@euromail.se>2011-02-24 19:30:59 +0100
committerJiri Kosina <jkosina@suse.cz>2011-03-01 17:25:39 +0100
commitf635bd11c8d332d917fb9a4cad3071b2357d5b2a (patch)
tree4b20ddba8054224336cc377a725203a5925088da
parent97e1efbbe1c8492ea4f804618e26b19325c879fe (diff)
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HID: Do not create input devices for feature reports
When the multi input quirk is set, there is a new input device created for every feature report. Since the idea is to present features per hid device, not per input device, revert back to the original report loop and change the feature_mapping() callback to not take the input device as argument. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Tested-by: Benjamin Tissoires <benjmain.tissoires@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
-rw-r--r--drivers/hid/hid-input.c30
-rw-r--r--drivers/hid/hid-multitouch.c2
-rw-r--r--include/linux/hid.h2
3 files changed, 23 insertions, 11 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 7f552bfad32c..ebcc02a1c1c9 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -290,14 +290,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
goto ignore;
}
- if (field->report_type == HID_FEATURE_REPORT) {
- if (device->driver->feature_mapping) {
- device->driver->feature_mapping(device, hidinput, field,
- usage);
- }
- goto ignore;
- }
-
if (device->driver->input_mapping) {
int ret = device->driver->input_mapping(device, hidinput, field,
usage, &bit, &max);
@@ -835,6 +827,24 @@ static void hidinput_close(struct input_dev *dev)
hid_hw_close(hid);
}
+static void report_features(struct hid_device *hid)
+{
+ struct hid_driver *drv = hid->driver;
+ struct hid_report_enum *rep_enum;
+ struct hid_report *rep;
+ int i, j;
+
+ if (!drv->feature_mapping)
+ return;
+
+ rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
+ list_for_each_entry(rep, &rep_enum->report_list, list)
+ for (i = 0; i < rep->maxfield; i++)
+ for (j = 0; j < rep->field[i]->maxusage; j++)
+ drv->feature_mapping(hid, rep->field[i],
+ rep->field[i]->usage + j);
+}
+
/*
* Register the input device; print a message.
* Configure the input layer interface
@@ -863,7 +873,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
return -1;
}
- for (k = HID_INPUT_REPORT; k <= HID_FEATURE_REPORT; k++) {
+ report_features(hid);
+
+ for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
if (k == HID_OUTPUT_REPORT &&
hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
continue;
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 07d3183fdde5..2bbc9545f5cc 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -122,7 +122,7 @@ struct mt_class mt_classes[] = {
{ }
};
-static void mt_feature_mapping(struct hid_device *hdev, struct hid_input *hi,
+static void mt_feature_mapping(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
if (usage->hid == HID_DG_INPUTMODE) {
diff --git a/include/linux/hid.h b/include/linux/hid.h
index d91c25e253c8..fc5faf60f6df 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -638,7 +638,7 @@ struct hid_driver {
struct hid_input *hidinput, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit, int *max);
void (*feature_mapping)(struct hid_device *hdev,
- struct hid_input *hidinput, struct hid_field *field,
+ struct hid_field *field,
struct hid_usage *usage);
#ifdef CONFIG_PM
int (*suspend)(struct hid_device *hdev, pm_message_t message);