From patchwork Sun Jul 26 22:00:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guenter Roeck X-Patchwork-Id: 11686187 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DDC3C13B1 for ; Sun, 26 Jul 2020 22:01:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4C6720715 for ; Sun, 26 Jul 2020 22:01:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MJuSRaFD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726814AbgGZWBc (ORCPT ); Sun, 26 Jul 2020 18:01:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726877AbgGZWBI (ORCPT ); Sun, 26 Jul 2020 18:01:08 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5361C0619D4; Sun, 26 Jul 2020 15:01:08 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id e8so8283218pgc.5; Sun, 26 Jul 2020 15:01:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=DnGWS5rFmjTRKwqhGKvHvn84YUtGHQ4e+LEEZ0MXHp0=; b=MJuSRaFDICq+1vdOCmEa3waOwusof7BIU/WUlGVa+BGlsHZ4fnuvFqqHxhViDsvEwn baDk12G6ZLWUNhmvkCcnEiXHFVuW0ul08Vp6SEYM5TjPijbovTVwfPyr3tpkPZa+4hC6 B0ngHyUaUVHDwRBeveIGBIGjx586X7GXW3nLLA9ImvCrKcnCEhfODDlMDi89T+Vg4A4e 3OzrnI+PQjJLuTwrs7kVokV4nPSC8SEDCK7b9Dcg2kqm+fsZ5cDj5hlhNuKSuUHKIT3g nheNTM1UNygvVVXZLBAJ0ytOnczXg5kH246iF6aUqMY82k6N5jOlAzFfhswdpXLlD+OG 1a2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=DnGWS5rFmjTRKwqhGKvHvn84YUtGHQ4e+LEEZ0MXHp0=; b=rl78i1MqOynEZb57m29mFhD1PrWqcwvkZ2y+w7Vw3reu9gKiuwvek9YNDrcvUL94Ja L58ed8g2i9Ef69GVjTh32pbM7SHU5lhpj0R7EXZzXdwStGsDsariUaIiEt6RE6L/cnw4 uFRX4T6ZtxNknoYdis3w2lXoimzCYvJyE8ojEL4VOh8jRNV80Q3xSgp09lJhmxYiAKKg qQ2hHRAhbrXX68SRb6jCXl/8wlkLH3unBvyG2AaHmIYiVU5eS7pKEHMpIZll67rxTMiY +0HzpvEEmeKu/tDnYGZU4xMC3zSVoWyHGvvYrlP9CRXjyGswkQPiUe54dy+fY/4CMDIY IN8A== X-Gm-Message-State: AOAM531DhfNMZXDVUfbn3OMLz3shkkTcQ9d4S3H0KND8M7BlzeeEMLYy HkVy5tFrPOv3mzwS3we9B6c= X-Google-Smtp-Source: ABdhPJwdG4Inrjl9yNc9V2gfZe1G97e3QVW3lPVbX1jKkLnLNraU7YbmsCqW2MbaGwhQYCeYRDhQHA== X-Received: by 2002:a62:ee03:: with SMTP id e3mr5935966pfi.10.1595800868365; Sun, 26 Jul 2020 15:01:08 -0700 (PDT) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id w70sm5362478pfc.98.2020.07.26.15.01.07 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sun, 26 Jul 2020 15:01:07 -0700 (PDT) From: Guenter Roeck To: Enric Balletbo i Serra Cc: Jonathan Cameron , Benson Leung , Dmitry Torokhov , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Gwendal Grignou , Brian Norris , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-pwm@vger.kernel.org, Guenter Roeck , Yu-Hsuan Hsu , Prashant Malani Subject: [PATCH v3 1/6] iio: cros_ec: Accept -EOPNOTSUPP as 'not supported' error code Date: Sun, 26 Jul 2020 15:00:56 -0700 Message-Id: <20200726220101.29059-2-linux@roeck-us.net> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200726220101.29059-1-linux@roeck-us.net> References: <20200726220101.29059-1-linux@roeck-us.net> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org A follow-up patch will extend the number of errors reported by cros_ec_cmd_xfer_status(). Specifically, the function will return -EOPNOTSUPP if a command is not supported by the EC. Prepare for it. Cc: Gwendal Grignou Cc: Yu-Hsuan Hsu Cc: Prashant Malani Cc: Brian Norris Acked-by: Jonathan Cameron Reviewed-by: Brian Norris Signed-off-by: Guenter Roeck --- v3: No change v2: No change drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c index a66941fdb385..e3aff95493dd 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c @@ -73,7 +73,7 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev, st->core.param.sensor_offset.flags = 0; ret = cros_ec_motion_send_host_cmd(&st->core, 0); - if (ret == -EPROTO) { + if (ret == -EPROTO || ret == -EOPNOTSUPP) { /* Reading calibscale is not supported on older EC. */ *val = 1; *val2 = 0;