Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752449AbbBQWuI (ORCPT ); Tue, 17 Feb 2015 17:50:08 -0500 Received: from mail-qa0-f44.google.com ([209.85.216.44]:46694 "EHLO mail-qa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751063AbbBQWuH (ORCPT ); Tue, 17 Feb 2015 17:50:07 -0500 MIME-Version: 1.0 In-Reply-To: References: <1424200786-4009-1-git-send-email-benjamin.tissoires@redhat.com> Date: Tue, 17 Feb 2015 17:50:06 -0500 Message-ID: Subject: Re: [PATCH] HID: wacom: do not directly use input_mt_report_pointer_emulation From: Benjamin Tissoires To: Ping Cheng Cc: Benjamin Tissoires , 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: 3317 Lines: 92 On Tue, Feb 17, 2015 at 5:36 PM, Ping Cheng wrote: > 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(). Hehe, I should have actually checked the call. I meant input_mt_get_slot_by_key(). > >> Signed-off-by: Benjamin Tissoires > > Reviewed-by: Ping Cheng Thanks! Benjamin > > 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-input" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- 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/