Re: [PATCH] HID: nintendo: deregister home LED when it fails

From: Benjamin Tissoires
Date: Wed Sep 21 2022 - 04:57:36 EST


On Apr 15 2022, Icenowy Zheng wrote:
> Some Pro Controller compatible controllers do not support home LED, and
> will fail when setting it. Currently this leads to probe failure.
>
> Change the code that fails probing to deregistering home LED.
>
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
> ---
> drivers/hid/hid-nintendo.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
> index 2204de889739..ed93287c3afc 100644
> --- a/drivers/hid/hid-nintendo.c
> +++ b/drivers/hid/hid-nintendo.c
> @@ -1900,9 +1900,8 @@ static int joycon_leds_create(struct joycon_ctlr *ctlr)
> /* Set the home LED to 0 as default state */
> ret = joycon_home_led_brightness_set(led, 0);
> if (ret) {
> - hid_err(hdev, "Failed to set home LED dflt; ret=%d\n",
> - ret);
> - return ret;
> + hid_warn(hdev, "Failed to set home LED dflt, unregistering home LED");

I have s/dflt/default/ and applied to for-6.1/nintendo in hid.git

FWIW, I wondered really hard if we should or not clean up led->name that
devm_kzalloc-ed just a few lines above, but in the end it doesn't add
much to do it now instead of at remove time.

Thanks for the patch and the reviews!

Cheers,
Benjamin

> + devm_led_classdev_unregister(&hdev->dev, led);
> }
> }
>
> --
> 2.35.1
>