linux-kernel - Re: [PATCH] Input: cros_ec_keyb: mask out extra flags in event

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Message-ID: <CAPR809sASD=MrQkJULVBgc_iqiPKE2xr8eUR0d4qymQkLUYRaw@mail.gmail.com>
Date:   Fri, 14 Jun 2019 11:27:03 -0700
From:   Enrico Granata <egranata@...gle.com>
To:     Ting Shen <phoenixshen@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Nicolas Boichat <drinkcat@...omium.org>,
        Pi-Hsun Shih <pihsun@...omium.org>,
        Enrico Granata <egranata@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Guenter Roeck <groeck@...omium.org>,
        Brian Norris <briannorris@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org,
        Colin Ian King <colin.king@...onical.com>
Subject: Re: [PATCH] Input: cros_ec_keyb: mask out extra flags in event_type

On Thu, Jun 13, 2019 at 11:54 PM Ting Shen <phoenixshen@...omium.org> wrote:
>
> http://crosreview.com/1341159 added a EC_MKBP_HAS_MORE_EVENTS flag to
> the event_type field, the receiver side should mask out this extra bit when
> processing the event.
>
> Signed-off-by: Ting Shen <phoenixshen@...omium.org>

Reviewed-by: Enrico Granata <egranata@...gle.com>

>
> ---
>
>  drivers/input/keyboard/cros_ec_keyb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
> index d5600118159835..38cb6d82d8fe67 100644
> --- a/drivers/input/keyboard/cros_ec_keyb.c
> +++ b/drivers/input/keyboard/cros_ec_keyb.c
> @@ -237,7 +237,7 @@ static int cros_ec_keyb_work(struct notifier_block *nb,
>         if (queued_during_suspend && !device_may_wakeup(ckdev->dev))
>                 return NOTIFY_OK;
>
> -       switch (ckdev->ec->event_data.event_type) {
> +       switch (ckdev->ec->event_data.event_type & EC_MKBP_EVENT_TYPE_MASK) {
>         case EC_MKBP_EVENT_KEY_MATRIX:
>                 pm_wakeup_event(ckdev->dev, 0);
>
> --
> 2.22.0.rc2.383.gf4fbbf30c2-goog
>