From patchwork Fri Feb 5 21:58:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gwendal Grignou X-Patchwork-Id: 12071753 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 86D66C433DB for ; Sat, 6 Feb 2021 02:58:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44BB564E3D for ; Sat, 6 Feb 2021 02:58:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231794AbhBFC5k (ORCPT ); Fri, 5 Feb 2021 21:57:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231453AbhBFCwi (ORCPT ); Fri, 5 Feb 2021 21:52:38 -0500 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 191BAC061756 for ; Fri, 5 Feb 2021 13:58:17 -0800 (PST) Received: by mail-pj1-x1034.google.com with SMTP id z9so4576944pjl.5 for ; Fri, 05 Feb 2021 13:58:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=rwGnDkAwLPNFNg3dbClr9Apyxhw0sa9sADlIfBPGl84=; b=e3vOfoclLsO/A7ts9jMJQiKJ2DoT3ZGGYFMYPidsrc4+xaSs3wRxbJKgXTxsiszjzU +7+o3uUgAlvAonbolehMDUA6fzCvanJXJ9pJLuYJlsfNpnNJRcJs3LuLsQ3T526ps1rk 221kDHhrcovViFSPzOdHWqKVrefqTfPHETKfM= 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:mime-version :content-transfer-encoding; bh=rwGnDkAwLPNFNg3dbClr9Apyxhw0sa9sADlIfBPGl84=; b=PeWCQvT9anYx4iubyOTkTszR2MLcRkIfNPQaHctxf7NGjjdSxuFk0fkIBz97BOxQy6 1VTS8pIYDHNf/OS8UHWS7mlH1R1ul2WVmMhKqJwrn7Y81M8XdovoBc6MwbyZTy8bbGgw q0ShG/X7SI6XJLpncbtOr/sTwUkIkXKr/rOk0howNyTzycbQcyjagz05Ch7d0pQhSTL9 wfR7ZHpJngkLGV34SOO7xkcxoSumIhuNplnWQMnqCJky+hawmilcMep4rU+8Q4wI74H2 llqMP1y5mMSHo5tM/6ddQU/cnmUesPJK11hPhwNoP3USh8dJSl/islOYYCrv9vS8dV1z AKKA== X-Gm-Message-State: AOAM530KSlL9zdhJ6L0MtBQzHQyEWQQ4IPj0EJPaDdAJfKK6kCLb1df5 KQBQevjSQwBeZiRA0n8u4a0ZwQ== X-Google-Smtp-Source: ABdhPJzUEkkWlurX5b5kkN5EQMoFWb73ErhTzOULYKGavUVTKY4Tl910aC4SfioeJ43vjjwtOhXYeQ== X-Received: by 2002:a17:902:d2c9:b029:e1:8692:aa7c with SMTP id n9-20020a170902d2c9b02900e18692aa7cmr5685001plc.21.1612562296549; Fri, 05 Feb 2021 13:58:16 -0800 (PST) Received: from localhost ([2620:15c:202:201:ac48:d1a2:431e:ab86]) by smtp.gmail.com with ESMTPSA id b23sm9202364pjh.53.2021.02.05.13.58.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Feb 2021 13:58:15 -0800 (PST) From: Gwendal Grignou To: jic23@kernel.org, lars@metafoo.de, swboyd@chromium.org, campello@chromium.org Cc: linux-iio@vger.kernel.org, Gwendal Grignou Subject: [PATCH v2] iio: sx9310: Support ACPI property Date: Fri, 5 Feb 2021 13:58:11 -0800 Message-Id: <20210205215811.2033425-1-gwendal@chromium.org> X-Mailer: git-send-email 2.30.0.478.g8a0d178c01-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Use device_property_read_... to support both device tree and ACPI bindings. Add support for variable array per documentation ("iio/proximity/semtech,sx9310.yaml"). Signed-off-by: Gwendal Grignou Reviewed-by: Stephen Boyd --- Changes since v1: Use device_property_count_u32(...) instead of device_property_read_u32_array(..., NULL, 0) drivers/iio/proximity/sx9310.c | 35 +++++++++++++++++++--------------- 1 file changed, 20 insertions(+), 15 deletions(-) diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c index 6a04959df35e5..bba9dc6ac844d 100644 --- a/drivers/iio/proximity/sx9310.c +++ b/drivers/iio/proximity/sx9310.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -1215,31 +1216,35 @@ static int sx9310_init_compensation(struct iio_dev *indio_dev) } static const struct sx9310_reg_default * -sx9310_get_default_reg(struct sx9310_data *data, int i, +sx9310_get_default_reg(struct device *dev, int i, struct sx9310_reg_default *reg_def) { - int ret; - const struct device_node *np = data->client->dev.of_node; + int ret, count; u32 combined[SX9310_NUM_CHANNELS] = { 4, 4, 4, 4 }; unsigned long comb_mask = 0; const char *res; u32 start = 0, raw = 0, pos = 0; memcpy(reg_def, &sx9310_default_regs[i], sizeof(*reg_def)); - if (!np) - return reg_def; - switch (reg_def->reg) { case SX9310_REG_PROX_CTRL2: - if (of_property_read_bool(np, "semtech,cs0-ground")) { + if (device_property_read_bool(dev, "semtech,cs0-ground")) { reg_def->def &= ~SX9310_REG_PROX_CTRL2_SHIELDEN_MASK; reg_def->def |= SX9310_REG_PROX_CTRL2_SHIELDEN_GROUND; } reg_def->def &= ~SX9310_REG_PROX_CTRL2_COMBMODE_MASK; - of_property_read_u32_array(np, "semtech,combined-sensors", - combined, ARRAY_SIZE(combined)); - for (i = 0; i < ARRAY_SIZE(combined); i++) { + count = device_property_count_u32(dev, "semtech,combined-sensors"); + if (count > 0 && count <= ARRAY_SIZE(combined)) + ret = device_property_read_u32_array(dev, + "semtech,combined-sensors", combined, + count); + else + ret = -EINVAL; + if (ret) + count = ARRAY_SIZE(combined); + + for (i = 0; i < count; i++) { if (combined[i] <= SX9310_NUM_CHANNELS) comb_mask |= BIT(combined[i]); } @@ -1256,7 +1261,7 @@ sx9310_get_default_reg(struct sx9310_data *data, int i, break; case SX9310_REG_PROX_CTRL4: - ret = of_property_read_string(np, "semtech,resolution", &res); + ret = device_property_read_string(dev, "semtech,resolution", &res); if (ret) break; @@ -1280,7 +1285,7 @@ sx9310_get_default_reg(struct sx9310_data *data, int i, break; case SX9310_REG_PROX_CTRL5: - ret = of_property_read_u32(np, "semtech,startup-sensor", &start); + ret = device_property_read_u32(dev, "semtech,startup-sensor", &start); if (ret) { start = FIELD_GET(SX9310_REG_PROX_CTRL5_STARTUPSENS_MASK, reg_def->def); @@ -1290,7 +1295,7 @@ sx9310_get_default_reg(struct sx9310_data *data, int i, reg_def->def |= FIELD_PREP(SX9310_REG_PROX_CTRL5_STARTUPSENS_MASK, start); - ret = of_property_read_u32(np, "semtech,proxraw-strength", &raw); + ret = device_property_read_u32(dev, "semtech,proxraw-strength", &raw); if (ret) { raw = FIELD_GET(SX9310_REG_PROX_CTRL5_RAWFILT_MASK, reg_def->def); @@ -1303,7 +1308,7 @@ sx9310_get_default_reg(struct sx9310_data *data, int i, raw); break; case SX9310_REG_PROX_CTRL7: - ret = of_property_read_u32(np, "semtech,avg-pos-strength", &pos); + ret = device_property_read_u32(dev, "semtech,avg-pos-strength", &pos); if (ret) break; @@ -1339,7 +1344,7 @@ static int sx9310_init_device(struct iio_dev *indio_dev) /* Program some sane defaults. */ for (i = 0; i < ARRAY_SIZE(sx9310_default_regs); i++) { - initval = sx9310_get_default_reg(data, i, &tmp); + initval = sx9310_get_default_reg(&indio_dev->dev, i, &tmp); ret = regmap_write(data->regmap, initval->reg, initval->def); if (ret) return ret;