[RFC,v2,01/10] hid: add feature_mapping callback

Commit Message

Benjamin Tissoires Jan. 5, 2011, 5:27 p.m. UTC

None

Patch

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index bb0b365..07d8cb2 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -287,6 +287,14 @@  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);
@@ -836,7 +844,7 @@  int hidinput_connect(struct hid_device *hid, unsigned int force)
 	struct hid_input *hidinput = NULL;
 	struct input_dev *input_dev;
 	int i, j, k;
-	int max_report_type = HID_OUTPUT_REPORT;
+	int max_report_type = HID_FEATURE_REPORT;
 
 	INIT_LIST_HEAD(&hid->inputs);
 
diff --git a/include/linux/hid.h b/include/linux/hid.h
index bb0f56f..75303b0 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -593,6 +593,7 @@  struct hid_usage_id {
  * @report_fixup: called before report descriptor parsing (NULL means nop)
  * @input_mapping: invoked on input registering before mapping an usage
  * @input_mapped: invoked on input registering after mapping an usage
+ * @feature_mapping: invoked on feature registering
  * @suspend: invoked on suspend (NULL means nop)
  * @resume: invoked on resume if device was not reset (NULL means nop)
  * @reset_resume: invoked on resume if device was reset (NULL means nop)
@@ -636,6 +637,9 @@  struct hid_driver {
 	int (*input_mapped)(struct hid_device *hdev,
 			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_usage *usage);
 #ifdef CONFIG_PM
 	int (*suspend)(struct hid_device *hdev, pm_message_t message);
 	int (*resume)(struct hid_device *hdev);