From patchwork Sun Dec 1 21:06:54 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Frank Schaefer X-Patchwork-Id: 20861 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1VnEDv-0000mi-JM; Sun, 01 Dec 2013 22:06:39 +0100 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.72/mailfrontend-7) with esmtp id 1VnEDt-0000cd-1L; Sun, 01 Dec 2013 22:06:39 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752111Ab3LAVGX (ORCPT + 1 other); Sun, 1 Dec 2013 16:06:23 -0500 Received: from mail-ea0-f170.google.com ([209.85.215.170]:62645 "EHLO mail-ea0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751401Ab3LAVGV (ORCPT ); Sun, 1 Dec 2013 16:06:21 -0500 Received: by mail-ea0-f170.google.com with SMTP id k10so8514642eaj.1 for ; Sun, 01 Dec 2013 13:06:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; bh=EwrWpQWE8cQYuITlx9k4n7bt4mg7JPqNUp/Dn0oTUCA=; b=EjPfhjV/cdTDXnE5uctl481TDwmBiMoZmPe1w/lmVq68qRx+9oQLP8tUHFpHLTPRy3 FVwb33YArd/sAcuvcEP8ovaZ+KtvFEvG0tg0nqG2+jkpP1nqlfyxCLAqs++a4gtuaHnl Jb/IwWIrCQXHoEzei1j1kYps8SxytqL7VgBeeP81HF9ZWyRc6WNjY3DipniTrQAKqZa/ yx+Bmqgo9GlmMW8N8HBzHEceu6MVMPS/y1/kLPW4xdAAuaT1HyZeY50YZ/4KQkdQi/xR gCBM41VoK8xwhCKQ75fAKkVgoHYz1YCeQpDi6M2C5xlSF12pCPJoG85NMR1TBCER3HMk vX3Q== X-Received: by 10.15.67.195 with SMTP id u43mr38590247eex.14.1385931980343; Sun, 01 Dec 2013 13:06:20 -0800 (PST) Received: from Athlon64X2-5000.site (ip-178-203-183-60.unitymediagroup.de. [178.203.183.60]) by mx.google.com with ESMTPSA id b42sm63981851eem.9.2013.12.01.13.06.19 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 01 Dec 2013 13:06:20 -0800 (PST) From: =?UTF-8?q?Frank=20Sch=C3=A4fer?= To: m.chehab@samsung.com Cc: linux-media@vger.kernel.org, =?UTF-8?q?Frank=20Sch=C3=A4fer?= Subject: [PATCH 4/7] em28xx: reduce the polling interval for buttons Date: Sun, 1 Dec 2013 22:06:54 +0100 Message-Id: <1385932017-2276-5-git-send-email-fschaefer.oss@googlemail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1385932017-2276-1-git-send-email-fschaefer.oss@googlemail.com> References: <1385932017-2276-1-git-send-email-fschaefer.oss@googlemail.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2013.12.1.205415 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1000_LESS 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, BODY_SIZE_900_999 0, CT_TEXT_PLAIN_UTF8_CAPS 0, DKIM_SIGNATURE 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __FRAUD_BODY_WEBMAIL 0, __FRAUD_WEBMAIL 0, __FRAUD_WEBMAIL_FROM 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __PHISH_SPEAR_STRUCTURE_1 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS , __YOUTUBE_RCVD 0' For GPI-connected buttons without (hardware) debouncing, the polling interval needs to be reduced to detect button presses properly. Signed-off-by: Frank Schäfer --- drivers/media/usb/em28xx/em28xx-input.c | 2 +- 1 Datei geändert, 1 Zeile hinzugefügt(+), 1 Zeile entfernt(-) diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index ebc5387..c8f7ecb 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -31,7 +31,7 @@ #include "em28xx.h" #define EM28XX_SNAPSHOT_KEY KEY_CAMERA -#define EM28XX_BUTTONS_QUERY_INTERVAL 500 +#define EM28XX_BUTTONS_QUERY_INTERVAL 100 static unsigned int ir_debug; module_param(ir_debug, int, 0644);