From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752710Ab0IEPd4 (ORCPT ); Sun, 5 Sep 2010 11:33:56 -0400 Received: from mail-vw0-f46.google.com ([209.85.212.46]:51220 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751428Ab0IEPdz (ORCPT ); Sun, 5 Sep 2010 11:33:55 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=YF5b0pqE7YPr365EJINQ7xkIfArF6Elc+lfWgyecVaDt7j80lvg1JnO2iCVRC45gJC wA3UljopMWva4dy1un5Pmtk0SwTwTuz1hqZ3dZYiUsgl0fvh7ZYQsIH6TIoNUkPjQjUq ez81ODhL8k//CIQfreKc4X5HD6wMVKqB1Sy1I= From: "Mark F. Brown" To: eric.y.miao@gmail.com, grinberg@compulab.co.il, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, haojian.zhuang@marvell.com Cc: "Mark F. Brown" Subject: [PATCH] ARM: pxa27x_keypad: added a comment to explain clear_wakeup_event callback Date: Sun, 5 Sep 2010 11:33:10 -0400 Message-Id: <1283700790-3558-1-git-send-email-mark.brown314@gmail.com> X-Mailer: git-send-email 1.7.0.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Mark F. Brown --- arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h index 73dacda..abcc36e 100644 --- a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h +++ b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h @@ -25,6 +25,13 @@ * * 4. matrix key and direct key will use the same debounce_interval by * default, which should be sufficient in most cases + * + * pxa168 keypad platform specific parameter + * + * NOTE: + * clear_wakeup_event callback is a workaround required to clear the + * keypad interrupt. The keypad wake must be cleared in addition to + * reading the MI/DI bits in the KPC register. */ struct pxa27x_keypad_platform_data { @@ -52,6 +59,8 @@ struct pxa27x_keypad_platform_data { /* key debounce interval */ unsigned int debounce_interval; + + /* clear wakeup event requirement for pxa168 */ void (*clear_wakeup_event)(void); }; -- 1.7.0.4