linux-kernel - Re: [PATCH 1/3] HID: wacom: Do not add suffix to name of devices with an unknown type

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Date:	Thu, 30 Apr 2015 18:20:19 -0700
From:	Ping Cheng <pinglinux@...il.com>
To:	Jason Gerecke <killertofu@...il.com>
Cc:	Jiri Kosina <jkosina@...e.cz>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	linux-input <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jason Gerecke <jason.gerecke@...om.com>
Subject: Re: [PATCH 1/3] HID: wacom: Do not add suffix to name of devices with
 an unknown type

On Thu, Apr 30, 2015 at 5:51 PM, Jason Gerecke <killertofu@...il.com> wrote:
> The naming logic currently assumes that all devices will be a pen, finger,
> or pad. Though this has historically been the case, the new HID_GENERIC
> catch-all may cause us to probe devices with Wacom's 056A VID which aren't
> any of these types (e.g. the "Cintiq 24HDT Monitor Control"). This patch
> updates the logic so that no suffix will be added to the device name if
> the device type is unknown.
>
> Signed-off-by: Jason Gerecke <jason.gerecke@...om.com>

Reviewed-by: Ping Cheng <pingc@...om.com> for the whole set.

Cheers,

Ping

> ---
>  drivers/hid/wacom_sys.c | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
> index 9c57ac0..222baf5 100644
> --- a/drivers/hid/wacom_sys.c
> +++ b/drivers/hid/wacom_sys.c
> @@ -1440,12 +1440,15 @@ static void wacom_update_name(struct wacom *wacom)
>         snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name),
>                 "%s Pad", wacom_wac->name);
>
> -       if (features->device_type != BTN_TOOL_FINGER)
> +       if (features->device_type == BTN_TOOL_PEN) {
>                 strlcat(wacom_wac->name, " Pen", WACOM_NAME_MAX);
> -       else if (features->touch_max)
> -               strlcat(wacom_wac->name, " Finger", WACOM_NAME_MAX);
> -       else
> -               strlcat(wacom_wac->name, " Pad", WACOM_NAME_MAX);
> +       }
> +       else if (features->device_type == BTN_TOOL_FINGER) {
> +               if (features->touch_max)
> +                       strlcat(wacom_wac->name, " Finger", WACOM_NAME_MAX);
> +               else
> +                       strlcat(wacom_wac->name, " Pad", WACOM_NAME_MAX);
> +       }
>  }
>
>  static int wacom_probe(struct hid_device *hdev,
> --
> 2.3.5
>
--
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