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path: root/drivers/hid/hid-logitech-hidpp.c
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Diffstat (limited to 'drivers/hid/hid-logitech-hidpp.c')
-rw-r--r--drivers/hid/hid-logitech-hidpp.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index c8af3150cb31..c8bb242e06c0 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -89,6 +89,7 @@ struct hidpp_device {
struct hid_device *hid_dev;
struct mutex send_mutex;
void *send_receive_buf;
+ char *name;
wait_queue_head_t wait;
bool answer_available;
u8 protocol_major;
@@ -1087,6 +1088,7 @@ static void hidpp_input_close(struct input_dev *dev)
static struct input_dev *hidpp_allocate_input(struct hid_device *hdev)
{
struct input_dev *input_dev = devm_input_allocate_device(&hdev->dev);
+ struct hidpp_device *hidpp = hid_get_drvdata(hdev);
if (!input_dev)
return NULL;
@@ -1095,7 +1097,7 @@ static struct input_dev *hidpp_allocate_input(struct hid_device *hdev)
input_dev->open = hidpp_input_open;
input_dev->close = hidpp_input_close;
- input_dev->name = hdev->name;
+ input_dev->name = hidpp->name;
input_dev->phys = hdev->phys;
input_dev->uniq = hdev->uniq;
input_dev->id.bustype = hdev->bus;
@@ -1137,22 +1139,28 @@ static void hidpp_connect_event(struct hidpp_device *hidpp)
hid_info(hdev, "HID++ %u.%u device connected.\n",
hidpp->protocol_major, hidpp->protocol_minor);
+ if (!hidpp->name || hidpp->name == hdev->name) {
+ name = hidpp_get_device_name(hidpp);
+ if (!name) {
+ hid_err(hdev,
+ "unable to retrieve the name of the device");
+ return;
+ }
+
+ devm_name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s", name);
+ kfree(name);
+ if (!devm_name)
+ return;
+
+ hidpp->name = devm_name;
+ }
+
input = hidpp_allocate_input(hdev);
if (!input) {
hid_err(hdev, "cannot allocate new input device: %d\n", ret);
return;
}
- name = hidpp_get_device_name(hidpp);
- if (!name) {
- hid_err(hdev, "unable to retrieve the name of the device");
- } else {
- devm_name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s", name);
- if (devm_name)
- input->name = devm_name;
- kfree(name);
- }
-
hidpp_populate_input(hidpp, input, false);
ret = input_register_device(input);
@@ -1175,6 +1183,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id)
return -ENOMEM;
hidpp->hid_dev = hdev;
+ hidpp->name = hdev->name;
hid_set_drvdata(hdev, hidpp);
hidpp->quirks = id->driver_data;