From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH] alps: Document that Protocol V2 uses standard PS/2 mouse packets for the stick Date: Thu, 2 Apr 2015 10:08:54 +0200 Message-ID: <1427962134-4871-2-git-send-email-hdegoede@redhat.com> References: <1427962134-4871-1-git-send-email-hdegoede@redhat.com> Return-path: Received: from mx1.redhat.com ([209.132.183.28]:49160 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750771AbbDBII6 (ORCPT ); Thu, 2 Apr 2015 04:08:58 -0400 In-Reply-To: <1427962134-4871-1-git-send-email-hdegoede@redhat.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: =?UTF-8?q?Pali=20Roh=C3=A1r?= , linux-input@vger.kernel.org, Hans de Goede Document that Protocol V2 uses standard (bare) PS/2 mouse packets for the DualPoint stick. Signed-off-by: Hans de Goede --- Documentation/input/alps.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt index a63e5e0..92ae734 100644 --- a/Documentation/input/alps.txt +++ b/Documentation/input/alps.txt @@ -114,6 +114,9 @@ ALPS Absolute Mode - Protocol Version 2 byte 4: 0 y6 y5 y4 y3 y2 y1 y0 byte 5: 0 z6 z5 z4 z3 z2 z1 z0 +Protocol Version 2 DualPoint devices send standard PS/2 mouse packets for +the DualPoint Stick. + Dualpoint device -- interleaved packet format --------------------------------------------- @@ -127,6 +130,11 @@ Dualpoint device -- interleaved packet format byte 7: 0 y6 y5 y4 y3 y2 y1 y0 byte 8: 0 z6 z5 z4 z3 z2 z1 z0 +Devices which use the interleaving format normally send standard PS/2 mouse +packets for the DualPoint Stick + ALPS Absolute Mode packets for the +touchpad, switching to the interleaved packet format when both the stick and +the touchpad are used at the same time. + ALPS Absolute Mode - Protocol Version 3 --------------------------------------- -- 2.3.4