On Sun, 09 Jul, 2023 21:44:10 +0000 Fabio Baltieri <fabiobaltieri@xxxxxxxxxxxx> wrote: > Add a hid-stadiaff module to support rumble based force feedback on the > Google Stadia controller. This works using the HID output endpoint > exposed on both the USB and BLE interface. > > Signed-off-by: Fabio Baltieri <fabiobaltieri@xxxxxxxxxxxx> > --- > +static int stadia_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"); > + return ret; > + } > + > + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); > + if (ret) { > + hid_err(hdev, "hw start failed\n"); > + return ret; > + } > + > + ret = stadiaff_init(hdev); > + if (ret) { > + dev_err(&hdev->dev, "force feedback init failed\n"); Error handling looks good to me now. Is there any particular reason you use dev_err here instead of hid_err here? -- Rahul Rameshbabu