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

From: Ping Cheng
Date: Thu Apr 30 2015 - 21:20:28 EST


On Thu, Apr 30, 2015 at 5:51 PM, Jason Gerecke <killertofu@xxxxxxxxx> 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@xxxxxxxxx>

Reviewed-by: Ping Cheng <pingc@xxxxxxxxx> 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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