Re: [PATCH v2] HID: nintendo: Don't fail on setting baud rate

From: Jiri Kosina
Date: Wed Apr 03 2024 - 07:39:50 EST


On Sat, 16 Mar 2024, Max Staudt wrote:

> Some third-party controllers can't change the baud rate.
>
> We can still use the gamepad as-is, so let's do that.
>
> Signed-off-by: Max Staudt <max@xxxxxxxxx>
> ---
> Changes in v2:
> - Made hid_err() a hid_warn() since it's not a fatal failure.
> ---
> drivers/hid/hid-nintendo.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
> index 997c3a1adaca..395ed6b5ef59 100644
> --- a/drivers/hid/hid-nintendo.c
> +++ b/drivers/hid/hid-nintendo.c
> @@ -2164,8 +2164,11 @@ static int joycon_init(struct hid_device *hdev)
> /* set baudrate for improved latency */
> ret = joycon_send_usb(ctlr, JC_USB_CMD_BAUDRATE_3M, HZ);
> if (ret) {
> - hid_err(hdev, "Failed to set baudrate; ret=%d\n", ret);
> - goto out_unlock;
> + /*
> + * We can function with the default baudrate.
> + * Provide a warning, and continue on.
> + */
> + hid_warn(hdev, "Failed to set baudrate (ret=%d), continuing anyway\n", ret);

Applied, thank you.

--
Jiri Kosina
SUSE Labs