Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp1560112ybb; Thu, 9 Apr 2020 04:43:15 -0700 (PDT) X-Google-Smtp-Source: APiQypJVMmZvTSx9qPYTOtnLWNRLgPPOr1ul9jrB5p0wielJu6XlxSIM9eb4wmI2S0+FfXh6HOyO X-Received: by 2002:ac8:72d7:: with SMTP id o23mr11818838qtp.101.1586432595292; Thu, 09 Apr 2020 04:43:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1586432595; cv=none; d=google.com; s=arc-20160816; b=QMy0c9rvOY27jhTBW2ZAAsgTiPKE9nHSxp9owarV6q07sRIeea53/+xJ/ZNtMaqbM4 RS/KGMQ0rtIMLtSMID8w3e9HvviC8ntdqNbpyC0hDpC+jk828SWvv8kXD3ra2orJr5WK Svau9xeVCLnehYswjj15zzn+cg1pKvpHYGSMiXK//uuQDSq1YTrzvbHWI3gXmr3w7gP6 Kpy3ewbFs1FTo1t70tOHguEHKLLT1wdIeuLXP2PGe9DzR+rlnMFNVglJMqY2lJ00FiQl Cti7sVPhN9KAxEw9balNVNNzu6YjTaNYzgsx3ePhgrrH+ms4oSNV9tRNTu4kDCJceKvV I5Qg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=QSdmLn/47rBWdzKSuy9mWSxAVccVvsu0MtzKNdTSVJs=; b=UC0mv3PJ9wNpLzXxdjV2sB423KvcOht3eiR4VEUupYPT0/LXf3J9Q2WSyj4kB+lquu OqlV9+HAkU40Lh90/oLm9EYFoXT88WhWOuCzlXsoFpEz+8XL1y/su/aui/BVcawNQT+y 7ffNWyWuYXjv9Out72Zq1V3eJUFZG9ITomcwTBJu3t7uticENAiHaTS71v/YpgPvK8vF PrkEzFsWOn2K2MMXxct6Kb2lyBDo3IRDVWMFQNJujxAbM2aZFVBpsWxa7Js41k3XcvKF hfYa1URBezQJXyuUu4o/dxw+Yn2mewkWmoT0rWUju/Z6up5KlE3/oOaUkDxX0XBTCpW5 UUWQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=TQKvrRs7; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 1si5221105qvc.166.2020.04.09.04.42.59; Thu, 09 Apr 2020 04:43:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=TQKvrRs7; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726627AbgDILmR (ORCPT + 99 others); Thu, 9 Apr 2020 07:42:17 -0400 Received: from mail-ot1-f67.google.com ([209.85.210.67]:46218 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725971AbgDILmR (ORCPT ); Thu, 9 Apr 2020 07:42:17 -0400 Received: by mail-ot1-f67.google.com with SMTP id 88so907470otx.13; Thu, 09 Apr 2020 04:42:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=QSdmLn/47rBWdzKSuy9mWSxAVccVvsu0MtzKNdTSVJs=; b=TQKvrRs72fLHco+11O8lbJRsVzpW+nmiLZg9JT2qYME6dfk909CrQi8VK4Znmzt9wF Jo0oPrDaNXJbB2lgXSml/x6zCoBvahhmyJgmWBPOLTfc5TgytB3ifSSNDmWzVpiaaV8W /ZmLmENX0mjBGyNA8/d20SWJhTeXI3G4KrPwHO50GQX/5+1Neoz466ZOLYwymWYQzI62 5hvZdxzNjJrfkPIO3Rd2DaJ6BCAuSoCQ8kjtqPJMudpf9oEAW5vxAR0QhOIo8pQIJcQl axn3n1wlVHRLITZcIdyFPjJSd0Wam4tfOxVw2AcF2zF8UM1/JGIKHZn5gTQ5gWkQoBBW FszA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QSdmLn/47rBWdzKSuy9mWSxAVccVvsu0MtzKNdTSVJs=; b=hkHa0LUtftxkjPdxUvt2LPhIrgF3MBs7XWA7e7kbnGrjzNS7kCiAi8ZCp3rkfPh3K4 R2Tx4ZuKbsD2i3LaEbxteBPEsh0ivt9ryBM2OJnp1324NysCeB3hD4LdETLAvZ6axGux SDZiXSpZ9z6l8C0gAtfbr29G9w4I5hROfDR6YJKVaRhcBq5v5JaPD7vCdBi3mcJpLgRp c4dk/lvjmGkYCG4bWYQNiJIt+M0Vn8R7KVoJfhv9MWVASrgdoY85MXcmnaUEZsYcuK8g IpXTnRrkhS1MA4JUVECU3f+a0IwneJ6Jr42HiopspmD8xI4cbVl8n0wndjgZjVKuVqm/ jU2w== X-Gm-Message-State: AGi0PuZnG30ekppm+HnYmh9S/3w2XMxp9BWKgBv7p815H3k+OxRCffvU Ubqpxv1rMCnsMREBuTUB56TJ5EZyyxSKLGMzL4s= X-Received: by 2002:a9d:19ca:: with SMTP id k68mr9439579otk.232.1586432536695; Thu, 09 Apr 2020 04:42:16 -0700 (PDT) MIME-Version: 1.0 References: <20200226135229.24929-1-matthias.schiffer@ew.tq-group.com> <20200226151034.7i3h5blmrwre2yzg@pengutronix.de> <32ec35c2b3da119dd2c7bc09742796a0d8a9607e.camel@ew.tq-group.com> <20200330151231.GA1650@workstation.tuxnet> <20200404173546.GA55833@workstation.tuxnet> <20200406095124.GA475759@ulmo> In-Reply-To: <20200406095124.GA475759@ulmo> From: Sven Van Asbroeck Date: Thu, 9 Apr 2020 07:42:05 -0400 Message-ID: Subject: Re: (EXT) Re: [PATCH 1/4] pwm: pca9685: remove unused duty_cycle struct element To: Thierry Reding Cc: Clemens Gruber , Matthias Schiffer , =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= , linux-pwm@vger.kernel.org, Linux Kernel Mailing List , Andy Shevchenko Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 6, 2020 at 5:51 AM Thierry Reding wrote: > > There are other chips where a single period is shared across multiple > PWM channels. Typically what we do there is once a period is configured > for a given channel, all subsequent PWM channel configurations must use > the same period, or otherwise the driver will return an error code. Thank you for the clarification Thierry. Do you think this method would be appropriate for this chip?