Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754817AbbBQWgP (ORCPT ); Tue, 17 Feb 2015 17:36:15 -0500 Received: from mail-vc0-f170.google.com ([209.85.220.170]:43794 "EHLO mail-vc0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754772AbbBQWgM (ORCPT ); Tue, 17 Feb 2015 17:36:12 -0500 MIME-Version: 1.0 In-Reply-To: <1424200786-4009-1-git-send-email-benjamin.tissoires@redhat.com> References: <1424200786-4009-1-git-send-email-benjamin.tissoires@redhat.com> Date: Tue, 17 Feb 2015 14:36:11 -0800 Message-ID: Subject: Re: [PATCH] HID: wacom: do not directly use input_mt_report_pointer_emulation From: Ping Cheng To: Benjamin Tissoires Cc: Jiri Kosina , Jason Gerecke , linux-input , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2857 Lines: 79 On Tue, Feb 17, 2015 at 11:19 AM, Benjamin Tissoires wrote: > input_mt_sync_frame() calls input_mt_report_pointer_emulation() and do > some internal steps required to keep in sync the state of the touch within > the various reports. > > Given that we use input_mt_assign_slot() in this driver, it is better to > use input_mt_sync_frame(). It is sensible to me, except I think you meant input_mt_slot() instead of input_mt_assign_slot(). > Signed-off-by: Benjamin Tissoires Reviewed-by: Ping Cheng Ping > --- > drivers/hid/wacom_wac.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c > index 8627581..de93968 100644 > --- a/drivers/hid/wacom_wac.c > +++ b/drivers/hid/wacom_wac.c > @@ -1093,7 +1093,7 @@ static int wacom_24hdt_irq(struct wacom_wac *wacom) > } > } > } > - input_mt_report_pointer_emulation(input, true); > + input_mt_sync_frame(input); > > wacom->num_contacts_left -= contacts_to_send; > if (wacom->num_contacts_left <= 0) > @@ -1144,7 +1144,7 @@ static int wacom_mt_touch(struct wacom_wac *wacom) > input_report_abs(input, ABS_MT_POSITION_Y, y); > } > } > - input_mt_report_pointer_emulation(input, true); > + input_mt_sync_frame(input); > > wacom->num_contacts_left -= contacts_to_send; > if (wacom->num_contacts_left < 0) > @@ -1176,7 +1176,7 @@ static int wacom_tpc_mt_touch(struct wacom_wac *wacom) > contact_with_no_pen_down_count++; > } > } > - input_mt_report_pointer_emulation(input, true); > + input_mt_sync_frame(input); > > /* keep touch state for pen event */ > wacom->shared->touch_down = (contact_with_no_pen_down_count > 0); > @@ -1638,7 +1638,7 @@ static int wacom_bpt_touch(struct wacom_wac *wacom) > } > } > > - input_mt_report_pointer_emulation(input, true); > + input_mt_sync_frame(input); > > input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0); > input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0); > @@ -1728,7 +1728,7 @@ static int wacom_bpt3_touch(struct wacom_wac *wacom) > wacom_bpt3_button_msg(wacom, data + offset); > > } > - input_mt_report_pointer_emulation(input, true); > + input_mt_sync_frame(input); > > return 1; > } > -- > 2.1.0 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/