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path: root/drivers/hid/hid-google-hammer.c
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Diffstat (limited to 'drivers/hid/hid-google-hammer.c')
-rw-r--r--drivers/hid/hid-google-hammer.c27
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/hid/hid-google-hammer.c b/drivers/hid/hid-google-hammer.c
index 6e4ebc349e45..4e79fafeeafa 100644
--- a/drivers/hid/hid-google-hammer.c
+++ b/drivers/hid/hid-google-hammer.c
@@ -418,38 +418,15 @@ static int hammer_event(struct hid_device *hid, struct hid_field *field,
return 0;
}
-static bool hammer_has_usage(struct hid_device *hdev, unsigned int report_type,
- unsigned application, unsigned usage)
-{
- struct hid_report_enum *re = &hdev->report_enum[report_type];
- struct hid_report *report;
- int i, j;
-
- list_for_each_entry(report, &re->report_list, list) {
- if (report->application != application)
- continue;
-
- for (i = 0; i < report->maxfield; i++) {
- struct hid_field *field = report->field[i];
-
- for (j = 0; j < field->maxusage; j++)
- if (field->usage[j].hid == usage)
- return true;
- }
- }
-
- return false;
-}
-
static bool hammer_has_folded_event(struct hid_device *hdev)
{
- return hammer_has_usage(hdev, HID_INPUT_REPORT,
+ return !!hid_find_field(hdev, HID_INPUT_REPORT,
HID_GD_KEYBOARD, HID_USAGE_KBD_FOLDED);
}
static bool hammer_has_backlight_control(struct hid_device *hdev)
{
- return hammer_has_usage(hdev, HID_OUTPUT_REPORT,
+ return !!hid_find_field(hdev, HID_OUTPUT_REPORT,
HID_GD_KEYBOARD, HID_AD_BRIGHTNESS);
}