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=-14.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable 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 2EA2CC43464 for ; Sat, 19 Sep 2020 15:23:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6F9C2100A for ; Sat, 19 Sep 2020 15:23:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600529030; bh=1EeKdlmsmU+caUMfvOqBXfsDpnLBdhbdpm6tlnkp3Ds=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=2HkYBgqfyCQvoFNP+LWGkCt7C69XALrk/l2dDZHj86JFJLXoGsaL2DRO71j6X1bBS Tg8TqIL27gLtWo+EUT1EVOSoJuckwcv1ABMpMoEx4B+kiIJl+uhDmtK/p8WZyKiWAe paFIbSgDd19rntfmDpT2eoggIgrZ/Ax8tGKv+sus= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726566AbgISPXu (ORCPT ); Sat, 19 Sep 2020 11:23:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:36972 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726408AbgISPXt (ORCPT ); Sat, 19 Sep 2020 11:23:49 -0400 Received: from archlinux (cpc149474-cmbg20-2-0-cust94.5-4.cable.virginm.net [82.4.196.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 95BE72098B; Sat, 19 Sep 2020 15:23:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600529029; bh=1EeKdlmsmU+caUMfvOqBXfsDpnLBdhbdpm6tlnkp3Ds=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=1pEsOL5fIWwve6PgdC1+REytce3vMzPAdtpFJM66+4V6Uus32SOUBo2D5W4z9KrjG wwVqMo7jm0+niToKdNQcQDqUquiJ39baP4LeWVds4eTB2AuoG/eSCC9XOoDSnX3r7X onEGh4Wq19m5e2lE9hfUSBQLMA5drhhzCUk32g5w= Date: Sat, 19 Sep 2020 16:23:45 +0100 From: Jonathan Cameron To: Cristian Pop Cc: , Subject: Re: [PATCH v5] iio:Documentation: Add documentation for label channel attribute Message-ID: <20200919162345.12ba91a3@archlinux> In-Reply-To: <20200918093337.93621-1-cristian.pop@analog.com> References: <20200918093337.93621-1-cristian.pop@analog.com> X-Mailer: Claws Mail 3.17.6 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 18 Sep 2020 12:33:37 +0300 Cristian Pop wrote: > If a label is defined in the device tree for this channel add that to the > channel specific attributes. This is useful for userspace to be able to > identify an individual channel. > > Signed-off-by: Cristian Pop > --- > Changes in V5: > Create a separate patch file for this commit. > Documentation/ABI/testing/sysfs-bus-iio | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index d3e53a6d8331..f2a9a03b8af9 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -1697,6 +1697,15 @@ Description: > > Raw counter device counters direction for channel Y. > > +What: /sys/bus/iio/devices/iio:deviceX/channel_label That naming doesn't look right. Should be something like in_voltageY_label > +KernelVersion: 5.8 > +Contact: linux-iio@vger.kernel.org > +Description: > + Optional symbolic label to a device channel. > + If a label is defined in the device tree for this channel add > + that to the channel specific attributes. This is useful for > + userspace to be able to identify an individual channel. This isn't devicetree specific. The driver can elect to provide this label from all sorts of sources such as ACPI, or it might be hard coded in the driver if the channel is internal to a SoC for example. > + > What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw > KernelVersion: 4.18 > Contact: linux-iio@vger.kernel.org