From patchwork Sat Dec 18 00:17:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gwendal Grignou X-Patchwork-Id: 12685815 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A22CC433F5 for ; Sat, 18 Dec 2021 00:18:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229890AbhLRASC (ORCPT ); Fri, 17 Dec 2021 19:18:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229643AbhLRASB (ORCPT ); Fri, 17 Dec 2021 19:18:01 -0500 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F997C061574 for ; Fri, 17 Dec 2021 16:18:01 -0800 (PST) Received: by mail-pl1-x62c.google.com with SMTP id z6so3184595plk.6 for ; Fri, 17 Dec 2021 16:18:01 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=n1Ah5Zztvnex632L5hNGE1D5LGM2AwbYrtX8qX3YoWQ=; b=ByjVD6D6YtD4wmIf7zMo8eCvhvrUnt++ya9lR98oPsQvCxwvQbNQA9gP2TNihBpyW5 /AU8k4gjZZPK5JW/pKMkVX7jfk3LvxGmuG7xOpYds0pF8U4KpLo+3UTTycT6OLi007fY zX/B6/PzK+d2SqXU5t/8+ERGqIqJm8iBZDlJ0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=n1Ah5Zztvnex632L5hNGE1D5LGM2AwbYrtX8qX3YoWQ=; b=bIjRTUJb1d1fgAzfSjJeiC14buNOpayyvegLorBZ+hYI6jZrX58uauHEx+t9FZNdB/ n5uq8SQH5jlfcBaqktCNe+kmgxle6EnKAkK+79fy5RvCWO32bghPtN3bleCT4XjNpb3F wz6BjfMkZSjUBc0D7epLhMxmYknVI0PaM1yY20qCf8PrxhnmvNrIh6JBkIDdlvgbh3It m6J9t2WsbN8JzogkMLs9GtCsXpoPs5uHw8oh1luWXyz3549F8sJE32nlBLOKomf+Ju0I 5Hqs7fw/kXcn1DfzAcsTOXnlVygD4DOl56Ocjnod0Pqg8dwjYZ90PA/qSn3mLPxnTKXm CbBw== X-Gm-Message-State: AOAM530U7l6sRA6C2kbQpUqthZMqMChWLWMTOcDy2mD9MfWD13UcJR+A xGzHBceckkMvzuVAT+wgPFP56seqWhIvPw== X-Google-Smtp-Source: ABdhPJwFSNrDgUV24BPnOu2w3zJKr975wODd2qq90bJPhutSFRYk7lfACMoXSwtBFNjxoAWyfUC7ww== X-Received: by 2002:a17:903:4041:b0:148:b052:45ba with SMTP id n1-20020a170903404100b00148b05245bamr5394960pla.130.1639786680956; Fri, 17 Dec 2021 16:18:00 -0800 (PST) Received: from localhost ([2620:15c:202:201:2bc8:cefc:f407:829]) by smtp.gmail.com with UTF8SMTPSA id x6sm9350209pga.14.2021.12.17.16.18.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Dec 2021 16:18:00 -0800 (PST) From: Gwendal Grignou To: jic23@kernel.org, lars@metafoo.de, swboyd@chromium.org Cc: linux-iio@vger.kernel.org, Gwendal Grignou Subject: [PATCH v8 1/5] iio: sx9310: Add frequency in read_avail Date: Fri, 17 Dec 2021 16:17:51 -0800 Message-Id: <20211218001755.3096807-2-gwendal@chromium.org> X-Mailer: git-send-email 2.34.1.173.g76aa8bc2d0-goog In-Reply-To: <20211218001755.3096807-1-gwendal@chromium.org> References: <20211218001755.3096807-1-gwendal@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Instead of using IIO_DEV_ATTR_SAMP_FREQ_AVAIL sysfs attribute, add a _FREQ case in read_avail() to display the frequency table. No change to |sampling_frequency_available| was observed. Signed-off-by: Gwendal Grignou Reviewed-by: Stephen Boyd --- No changes in v8 No changes in v7 No changes in v6 No changes in v5 No changes in v4 No changes in v3 New in v2. drivers/iio/proximity/sx9310.c | 33 +++++++-------------------------- 1 file changed, 7 insertions(+), 26 deletions(-) diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c index a3fdb59b06d220..1647268b6471f1 100644 --- a/drivers/iio/proximity/sx9310.c +++ b/drivers/iio/proximity/sx9310.c @@ -196,6 +196,8 @@ static const struct iio_event_spec sx9310_events[] = { .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \ .info_mask_separate_available = \ BIT(IIO_CHAN_INFO_HARDWAREGAIN), \ + .info_mask_shared_by_all_available = \ + BIT(IIO_CHAN_INFO_SAMP_FREQ), \ .indexed = 1, \ .channel = idx, \ .extend_name = name, \ @@ -251,22 +253,6 @@ static const unsigned int sx9310_scan_period_table[] = { 400, 600, 800, 1000, 2000, 3000, 4000, 5000, }; -static ssize_t sx9310_show_samp_freq_avail(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - size_t len = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(sx9310_samp_freq_table); i++) - len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%d ", - sx9310_samp_freq_table[i].val, - sx9310_samp_freq_table[i].val2); - buf[len - 1] = '\n'; - return len; -} -static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(sx9310_show_samp_freq_avail); - static const struct regmap_range sx9310_writable_reg_ranges[] = { regmap_reg_range(SX9310_REG_IRQ_MSK, SX9310_REG_IRQ_FUNC), regmap_reg_range(SX9310_REG_PROX_CTRL0, SX9310_REG_PROX_CTRL19), @@ -562,6 +548,11 @@ static int sx9310_read_avail(struct iio_dev *indio_dev, *length = ARRAY_SIZE(sx9310_gain_vals); *vals = sx9310_gain_vals; return IIO_AVAIL_LIST; + case IIO_CHAN_INFO_SAMP_FREQ: + *type = IIO_VAL_INT_PLUS_MICRO; + *length = ARRAY_SIZE(sx9310_samp_freq_table) * 2; + *vals = (int *)sx9310_samp_freq_table; + return IIO_AVAIL_LIST; } return -EINVAL; @@ -1031,17 +1022,7 @@ static int sx9310_write_event_config(struct iio_dev *indio_dev, return ret; } -static struct attribute *sx9310_attributes[] = { - &iio_dev_attr_sampling_frequency_available.dev_attr.attr, - NULL -}; - -static const struct attribute_group sx9310_attribute_group = { - .attrs = sx9310_attributes, -}; - static const struct iio_info sx9310_info = { - .attrs = &sx9310_attribute_group, .read_raw = sx9310_read_raw, .read_avail = sx9310_read_avail, .read_event_value = sx9310_read_event_val,