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authorJD Cole <jd@jdc.me>2014-11-01 03:34:42 +0300
committerJiri Kosina <jkosina@suse.cz>2014-11-03 16:18:49 +0300
commit1a3f83f6493f9d78aa0fe31401fd530b0fe296da (patch)
treeaa225e5c3a11750eb702ee85f261000a387c44bd /drivers/hid/hid-plantronics.c
parent7f474df0a7b7dadfc01ba778460a91f554ca1481 (diff)
downloadlinux-1a3f83f6493f9d78aa0fe31401fd530b0fe296da.tar.xz
HID: plantronics: fix errant mouse events
This version of the driver prevents Telephony pages which are not mapped as Consumer Control applications AND are not on the Consumer Page from being registered by the hid-input driver. Signed-off-by: JD Cole <jd.cole@plantronics.com> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-plantronics.c')
-rw-r--r--drivers/hid/hid-plantronics.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/hid/hid-plantronics.c b/drivers/hid/hid-plantronics.c
new file mode 100644
index 000000000000..215cdbd10dea
--- /dev/null
+++ b/drivers/hid/hid-plantronics.c
@@ -0,0 +1,78 @@
+/*
+ * Plantronics USB HID Driver
+ *
+ * Copyright (c) 2014 JD Cole <jd.cole@plantronics.com>
+ * Copyright (c) 2014 Terry Junge <terry.junge@plantronics.com>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include "hid-ids.h"
+
+#include <linux/hid.h>
+#include <linux/module.h>
+
+static int plantronics_input_mapping(struct hid_device *hdev,
+ struct hid_input *hi,
+ struct hid_field *field,
+ struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ if (field->application == HID_CP_CONSUMERCONTROL
+ && (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
+ hid_dbg(hdev, "usage: %08x (appl: %08x) - defaulted\n",
+ usage->hid, field->application);
+ return 0;
+ }
+
+ hid_dbg(hdev, "usage: %08x (appl: %08x) - ignored\n",
+ usage->hid, field->application);
+
+ return -1;
+}
+
+static int plantronics_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret;
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "parse failed\n");
+ goto err;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+ if (ret) {
+ hid_err(hdev, "hw start failed\n");
+ goto err;
+ }
+
+ return 0;
+ err:
+ return ret;
+}
+
+static const struct hid_device_id plantronics_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, plantronics_devices);
+
+static struct hid_driver plantronics_driver = {
+ .name = "plantronics",
+ .id_table = plantronics_devices,
+ .input_mapping = plantronics_input_mapping,
+ .probe = plantronics_probe,
+};
+module_hid_driver(plantronics_driver);
+
+MODULE_AUTHOR("JD Cole <jd.cole@plantronics.com>");
+MODULE_AUTHOR("Terry Junge <terry.junge@plantronics.com>");
+MODULE_DESCRIPTION("Plantronics USB HID Driver");
+MODULE_LICENSE("GPL");