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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 3389CC433E9 for ; Thu, 3 Sep 2020 15:05:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 03EDB20716 for ; Thu, 3 Sep 2020 15:05:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="qE6o2n8H" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728924AbgICPEg (ORCPT ); Thu, 3 Sep 2020 11:04:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59180 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729014AbgICN6P (ORCPT ); Thu, 3 Sep 2020 09:58:15 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CED08C061249; Thu, 3 Sep 2020 06:10:14 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id h12so2098016pgm.7; Thu, 03 Sep 2020 06:10:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=/WIT3+UL+FpungvYV1D9IfW97J9W5tsesmZlOnRL4KU=; b=qE6o2n8HJKYzr8LQaFzdJ57s8ECaNNIEBAKj+FvAXWdE+VE/mTIGhjc4Qg4zlvXooF s7PLRYxjyADHCtuiPGQ7aryX95MmnRUj8GlEn8M+qW1Vqac7RM+TAFtNZZnjTUlILZbr n9WUYcuXzPQyao1h0l7bXfN3uVvH10bfG/RxxTBugi38UTqmzBO4RkjFvJJ1ieGMrx1r vEg7/JHmsKK2WQYAZumSLzZFWRFiJl+8/3eGdCa6oFziFGQkJXbAEfwMLwriWQFCnh3L zHXJmVCa8f2oqPOTdWqCc7Iq8Uxf20oK56b2aUOJ6k5u/kuJQUHbub6wVWxBtp2paj92 pi4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=/WIT3+UL+FpungvYV1D9IfW97J9W5tsesmZlOnRL4KU=; b=ksqpTF44Hzu0MjGFc09TwnSDYD9rYNGrFYa8uTKdb9ecpAu/K0XX72FJfya5RttpnW svI88iAicil1uQ+YO8XGYTcnZ47XIKSVjCaPDZsZoYKOUsO4JJGFzwD8Fiza5qL4y07c pdBRlg/q12ZZT6Qm8h3t2eZ++TK/3BuIemOLbU52VYvktAjapNZkqGbgk60GguUjJY0u CsM+OzKRcMftTOeE//3BWidTBbn+Qbodk2LNW8opjSESkH45MTLHvJqLJVcsR0lmMgUh +ALKxandphQ7IFR5L8tg27QySKEh0/wNbxSBcZXh22j24AxP+ano+cWW7tUQks7rS82D SPlA== X-Gm-Message-State: AOAM533aEEkUuWiJmgCS5VyBFf4J+dG6jGsWnzyssKrsjq2ku+m3k1zH vredohjE55242g/eWfeY/u8= X-Google-Smtp-Source: ABdhPJwninxVNGhpsTohv0jmInMy1KARspw9LnVSe+jAaMtNOlAQj38XIlfkUm5bYScFOYFA/RnRcw== X-Received: by 2002:a63:fb4a:: with SMTP id w10mr2877677pgj.114.1599138614380; Thu, 03 Sep 2020 06:10:14 -0700 (PDT) Received: from nish-HP-Pavilion ([2409:4072:6085:e35d:a526:a3b6:4686:f6fb]) by smtp.gmail.com with ESMTPSA id d20sm2538270pjv.39.2020.09.03.06.10.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 06:10:13 -0700 (PDT) From: Nishant Malpani To: jic23@kernel.org, robh+dt@kernel.org Cc: dragos.bogdan@analog.com, darius.berghe@analog.com, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, andy.shevchenko@gmail.com, Nishant Malpani Subject: [PATCH v2 3/3] iio: gyro: adxrs290: Add debugfs register access support Date: Thu, 3 Sep 2020 18:39:50 +0530 Message-Id: <20200903130950.6274-4-nish.malpani25@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200903130950.6274-1-nish.malpani25@gmail.com> References: <20200903130950.6274-1-nish.malpani25@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Extend support to read/write byte data from/to the device using debugfs iio interface. Signed-off-by: Nishant Malpani --- No changes in v2 --- drivers/iio/gyro/adxrs290.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/iio/gyro/adxrs290.c b/drivers/iio/gyro/adxrs290.c index 4099b8917d3e..132fd16789f0 100644 --- a/drivers/iio/gyro/adxrs290.c +++ b/drivers/iio/gyro/adxrs290.c @@ -434,6 +434,24 @@ static int adxrs290_read_avail(struct iio_dev *indio_dev, } } +static int adxrs290_reg_access(struct iio_dev *indio_dev, unsigned int reg, + unsigned int writeval, unsigned int *readval) +{ + struct adxrs290_state *st = iio_priv(indio_dev); + int ret; + + if (!readval) + return adxrs290_spi_write_reg(st->spi, reg, writeval); + + ret = spi_w8r8(st->spi, ADXRS290_READ_REG(reg)); + if (ret < 0) + return ret; + + *readval = ret; + + return 0; +} + static int adxrs290_data_rdy_trigger_set_state(struct iio_trigger *trig, bool state) { struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); @@ -546,6 +564,7 @@ static const struct iio_info adxrs290_info = { .read_raw = &adxrs290_read_raw, .write_raw = &adxrs290_write_raw, .read_avail = &adxrs290_read_avail, + .debugfs_reg_access = &adxrs290_reg_access, }; static int adxrs290_probe_trigger(struct iio_dev *indio_dev) -- 2.20.1