From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B802DC433B4 for ; Sat, 10 Apr 2021 07:32:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 870DB610CB for ; Sat, 10 Apr 2021 07:32:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230190AbhDJHcz (ORCPT ); Sat, 10 Apr 2021 03:32:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229472AbhDJHcy (ORCPT ); Sat, 10 Apr 2021 03:32:54 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9046C061762 for ; Sat, 10 Apr 2021 00:32:40 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id g10so3816085plt.8 for ; Sat, 10 Apr 2021 00:32:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=H5e+D/Aya1Nb4tAUyfRh/ao1QanG8vwsn1N5nVbWkhk=; b=bsmIUAsfPD558p3ZRLb9eWoTxLjgQ3GsIXfVDRDsqM+mkLOg6tCEKUQmuqwG9kbH+T Wj8Mutj3zYy+l5h78y9H7ezqF3c5wInlmsMRmsvvHl7AcSh7sNwz9N2jK+8OrCFPkFY0 wnI5Rl7waWDt2RzCA6cfnleKaBXJnijToiF+lq24+s2uegcDSNutAtde+LKM4skRWz25 ZGJNovRfOjLMzLlJo3G9UVBHiX5qqcbyZtOgQxu5Mpgygr9f6PxDiSwC7xO/CIn9J2qY 4FVeLXt5jJtjsDCnhm9fjIKi9yC3dkPWIRYpwQ127rTvlhTKaQ17B7LaUVNLDKR2hmMa K+jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=H5e+D/Aya1Nb4tAUyfRh/ao1QanG8vwsn1N5nVbWkhk=; b=nNV3NP4yVpky7cWOm5cX5dKu6zRxEGuNDa3pH8+Rhr6xkRGlhJQXDbnV3+Q5Xiawwi /OcqVm3p2gLXkbL2Cq/8TQHnvbouCDCvJHq5rSM0N5RWPWjFidCixG0pwts26fDtCfD/ KInHQqY9ApZexKmtG63YBDeI2INiWxQgX/hTELlJ9SmDXCA8eEsvfusGUDHXNY1WXhHO erMbT52kQe65Y/NJskywylFFNisJxzNcLvRiTRTk+Ukd/thDfg5bPAAWs8IoYIrX1N4v l+kDl8SWYdd5EAStg/WLeZJdA6g2JPLrzbCEcWmJYJTBOF95OACib5kTndCUafbKNlLa ih6w== X-Gm-Message-State: AOAM5330V0+RZSdLj7stz55CI7Z9aOvCaPpK2N2MeEhWt8wsTMzhOU6d vCcu6JHO/BOdOP5trcQCY+U= X-Google-Smtp-Source: ABdhPJwv1MXj0N4TSvo0lo8BxdjtvjFwnUG9ZWwDYQeHIFaEbqXB0VeDw9TPJlD2ao+dld9lBS7v1A== X-Received: by 2002:a17:90b:3846:: with SMTP id nl6mr17621528pjb.48.1618039960306; Sat, 10 Apr 2021 00:32:40 -0700 (PDT) Received: from google.com ([2620:15c:202:201:c9de:23b9:54df:4a55]) by smtp.gmail.com with ESMTPSA id k20sm3869359pfa.34.2021.04.10.00.32.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Apr 2021 00:32:39 -0700 (PDT) Date: Sat, 10 Apr 2021 00:32:37 -0700 From: Dmitry Torokhov To: Linus Walleij Cc: Javier Martinez Canillas , Henrik Rydberg , linux-input@vger.kernel.org Subject: Re: [PATCH 5/8 v3] Input: cyttsp - Reduce reset pulse timings Message-ID: References: <20210408131153.3446138-1-linus.walleij@linaro.org> <20210408131153.3446138-6-linus.walleij@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210408131153.3446138-6-linus.walleij@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Thu, Apr 08, 2021 at 03:11:50PM +0200, Linus Walleij wrote: > The data sheet for CY8CTMA340 specifies that the reset pulse > shall be at least 1 ms. Specify 1-2 ms with usleep_range() > to cut some slack for the scheduler. > > Curiously the datasheet does not specify how long we have to > wait after a hard reset until the chip is up, but I have found > a vendor tree (Samsung GT-S7710) that has code for this touch > screen and there this is set to 5 ms so I use this with > the same 1 ms fuzz. > > Reviewed-by: Javier Martinez Canillas > Signed-off-by: Linus Walleij Applied, thank you. -- Dmitry