From patchwork Tue Apr 23 20:00:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Camylla_Gon=C3=A7alves_Cantanheide?= X-Patchwork-Id: 10913703 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 76E551390 for ; Tue, 23 Apr 2019 20:01:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 64E5928A0B for ; Tue, 23 Apr 2019 20:01:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6248628A0D; Tue, 23 Apr 2019 20:01:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2137A28A0B for ; Tue, 23 Apr 2019 20:01:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726018AbfDWUA7 (ORCPT ); Tue, 23 Apr 2019 16:00:59 -0400 Received: from mail-qt1-f194.google.com ([209.85.160.194]:42716 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725945AbfDWUA7 (ORCPT ); Tue, 23 Apr 2019 16:00:59 -0400 Received: by mail-qt1-f194.google.com with SMTP id p20so17611121qtc.9; Tue, 23 Apr 2019 13:00:58 -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:mime-version :content-transfer-encoding; bh=2+jYwIIJskvSchM6IUs57nY4JOMJB01rNSoAHmHrFf0=; b=EOp/zL5dnW6Zb1A5e0NWvYRxjotxnuXKRglqtjg662/9nXVrwE0Kpf/7JOZQzHeqZZ ARjY5nKL4KPwQvJiqi8o5K5/CA3LEPZIt+bHlVSDwscyzvV+A03luFWFLm5a0CToP9cv 2xD6L3e95j3ag/+mYnboYW7mrzjV+bFoJys8BcNJv8tdBLaX4Hs8ShrIDY0aOLpfK6OW r6UGdSQ1ggjtIIA0BJ3yCfy8os8/Gcy/qy3AYeUZq2ABbRHvvXExO7y/nLUe9aBzdBjo y3whXeKbztCu87NVbJIBxiG9ZQ7TL/GrJNuDcZ+PP517dUbGFIQ+AnNMv0/r8EaUVuZ0 N4Dw== 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=2+jYwIIJskvSchM6IUs57nY4JOMJB01rNSoAHmHrFf0=; b=Pd+0a/oI49dcCw/wT2duF3b+5NyXZeh3IbRVp3ZUIYgSQWrIx0aeGJ3ZyTOzGEdX7k ranRo4dMWvnrzG+v7FaCUScXYosPxL46NVz//sqT27ya9Nk4JTWa/RdYKASLiQ1ud91a xYz7P4ZdGvr+gin1wEOzCXioTpIRr79fMi/NLsjI6S1+sp1tX0UsPtRKS55p0/rdFb/K DClJ5DsES+H9LroGS1s0m1BCH/Fh0dhDN/5SWnbotDuMZ5ei9DcJobbnOWq14Jol83vc eWBa8mFh8uwZpCjnUvDrF0U5zJF4t1VhxV1ajuQ+rBqAgl1aV4lXq9VaSsZ01v5QpfX5 XV6Q== X-Gm-Message-State: APjAAAXT+sSle6qkXzPh59El77x2G4r6pO/m6xTZeDZRc79DyGkOfJJh l757M4ch3YIHb7Tq/1g3lKw= X-Google-Smtp-Source: APXvYqzqtp+IF85pFG5XRyNNvcOcZ+W9kZmc1AjvEEerB6fXyfzM28tfvrIyRNc6SJqz9CvHZiKSvA== X-Received: by 2002:ac8:362e:: with SMTP id m43mr2919611qtb.339.1556049657509; Tue, 23 Apr 2019 13:00:57 -0700 (PDT) Received: from localhost.localdomain ([2804:431:d711:b269:459f:31c5:ff33:8175]) by smtp.gmail.com with ESMTPSA id 50sm5312161qtn.73.2019.04.23.13.00.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Apr 2019 13:00:57 -0700 (PDT) From: =?utf-8?q?Camylla_Gon=C3=A7alves_Cantanheide?= To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-usp@googlegroups.com Subject: [PATCH] Wqiio: adc: ad7766: Change alignment to match paranthesis Date: Tue, 23 Apr 2019 17:00:45 -0300 Message-Id: <20190423200045.6992-1-c.cantanheide@gmail.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This commit align broken line to match upper line parenthesis, in lines 80, 130, 237, 242, 255, 264 and 293. Solves the checkpatch.pl's message: CHECK: Alignment should match open parenthesis In lines 130, 255, 264 and 293 it was necessary to break a line. Signed-off-by: Camylla Gonçalves Cantanheide --- .../bindings/iio/adc/nuvoton,npcm-adc.txt | 11 - .../iio/chemical/plantower,pms7003.txt | 20 ++ .../devicetree/bindings/vendor-prefixes.txt | 1 + drivers/iio/adc/ad7766.c | 22 +- drivers/iio/chemical/Kconfig | 10 + drivers/iio/chemical/Makefile | 1 + drivers/iio/chemical/pms7003.c | 340 ++++++++++++++++++ drivers/iio/chemical/sps30.c | 3 + 8 files changed, 388 insertions(+), 20 deletions(-) create mode 100644 Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.txt create mode 100644 drivers/iio/chemical/pms7003.c diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt index 1b8132cd9060..eb939fe77836 100644 --- a/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt @@ -14,11 +14,6 @@ Optional properties: vref-supply is not added the ADC will use internal voltage reference. -Required Node in the NPCM7xx BMC: -An additional register is present in the NPCM7xx SOC which is -assumed to be in the same device tree, with and marked as -compatible with "nuvoton,npcm750-rst". - Example: adc: adc@f000c000 { @@ -27,9 +22,3 @@ adc: adc@f000c000 { interrupts = ; clocks = <&clk NPCM7XX_CLK_ADC>; }; - -rst: rst@f0801000 { - compatible = "nuvoton,npcm750-rst", "syscon", - "simple-mfd"; - reg = <0xf0801000 0x6C>; -}; diff --git a/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.txt b/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.txt new file mode 100644 index 000000000000..7b5f06f324c8 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.txt @@ -0,0 +1,20 @@ +* Plantower PMS7003 particulate matter sensor + +Required properties: +- compatible: must be "plantower,pms7003" +- vcc-supply: phandle to the regulator that provides power to the sensor + +Optional properties: +- plantower,set-gpios: phandle to the GPIO connected to the SET line +- reset-gpios: phandle to the GPIO connected to the RESET line + +Refer to serial/slave-device.txt for generic serial attached device bindings. + +Example: + +&uart0 { + air-pollution-sensor { + compatible = "plantower,pms7003"; + vcc-supply = <®_vcc5v0>; + }; +}; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 389508584f48..42816baeb381 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -304,6 +304,7 @@ phytec PHYTEC Messtechnik GmbH picochip Picochip Ltd pine64 Pine64 pixcir PIXCIR MICROELECTRONICS Co., Ltd +plantower Plantower Co., Ltd plathome Plat'Home Co., Ltd. plda PLDA plx Broadcom Corporation (formerly PLX Technology) diff --git a/drivers/iio/adc/ad7766.c b/drivers/iio/adc/ad7766.c index 3ae14fc8c649..101502435768 100644 --- a/drivers/iio/adc/ad7766.c +++ b/drivers/iio/adc/ad7766.c @@ -77,7 +77,7 @@ static irqreturn_t ad7766_trigger_handler(int irq, void *p) goto done; iio_push_to_buffers_with_timestamp(indio_dev, ad7766->data, - pf->timestamp); + pf->timestamp); done: iio_trigger_notify_done(indio_dev->trig); @@ -127,7 +127,8 @@ static int ad7766_postdisable(struct iio_dev *indio_dev) } static int ad7766_read_raw(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, int *val, int *val2, long info) + const struct iio_chan_spec *chan, int *val, + int *val2, long info) { struct ad7766 *ad7766 = iio_priv(indio_dev); struct regulator *vref = ad7766->reg[AD7766_SUPPLY_VREF].consumer; @@ -234,12 +235,12 @@ static int ad7766_probe(struct spi_device *spi) ad7766->reg[AD7766_SUPPLY_VREF].supply = "vref"; ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(ad7766->reg), - ad7766->reg); + ad7766->reg); if (ret) return ret; ad7766->pd_gpio = devm_gpiod_get_optional(&spi->dev, "powerdown", - GPIOD_OUT_HIGH); + GPIOD_OUT_HIGH); if (IS_ERR(ad7766->pd_gpio)) return PTR_ERR(ad7766->pd_gpio); @@ -252,7 +253,8 @@ static int ad7766_probe(struct spi_device *spi) if (spi->irq > 0) { ad7766->trig = devm_iio_trigger_alloc(&spi->dev, "%s-dev%d", - indio_dev->name, indio_dev->id); + indio_dev->name, + indio_dev->id); if (!ad7766->trig) return -ENOMEM; @@ -261,8 +263,9 @@ static int ad7766_probe(struct spi_device *spi) iio_trigger_set_drvdata(ad7766->trig, ad7766); ret = devm_request_irq(&spi->dev, spi->irq, ad7766_irq, - IRQF_TRIGGER_FALLING, dev_name(&spi->dev), - ad7766->trig); + IRQF_TRIGGER_FALLING, + dev_name(&spi->dev), + ad7766->trig); if (ret < 0) return ret; @@ -290,8 +293,9 @@ static int ad7766_probe(struct spi_device *spi) spi_message_add_tail(&ad7766->xfer, &ad7766->msg); ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, - &iio_pollfunc_store_time, &ad7766_trigger_handler, - &ad7766_buffer_setup_ops); + &iio_pollfunc_store_time, + &ad7766_trigger_handler, + &ad7766_buffer_setup_ops); if (ret) return ret; diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig index 57832b4360e9..d5d146e9e372 100644 --- a/drivers/iio/chemical/Kconfig +++ b/drivers/iio/chemical/Kconfig @@ -61,6 +61,16 @@ config IAQCORE iAQ-Core Continuous/Pulsed VOC (Volatile Organic Compounds) sensors +config PMS7003 + tristate "Plantower PMS7003 particulate matter sensor" + depends on SERIAL_DEV_BUS + help + Say Y here to build support for the Plantower PMS7003 particulate + matter sensor. + + To compile this driver as a module, choose M here: the module will + be called pms7003. + config SPS30 tristate "SPS30 particulate matter sensor" depends on I2C diff --git a/drivers/iio/chemical/Makefile b/drivers/iio/chemical/Makefile index 65bf0f89c0e4..f5d1365acb49 100644 --- a/drivers/iio/chemical/Makefile +++ b/drivers/iio/chemical/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_BME680_I2C) += bme680_i2c.o obj-$(CONFIG_BME680_SPI) += bme680_spi.o obj-$(CONFIG_CCS811) += ccs811.o obj-$(CONFIG_IAQCORE) += ams-iaq-core.o +obj-$(CONFIG_PMS7003) += pms7003.o obj-$(CONFIG_SENSIRION_SGP30) += sgp30.o obj-$(CONFIG_SPS30) += sps30.o obj-$(CONFIG_VZ89X) += vz89x.o diff --git a/drivers/iio/chemical/pms7003.c b/drivers/iio/chemical/pms7003.c new file mode 100644 index 000000000000..db8e7b2327b3 --- /dev/null +++ b/drivers/iio/chemical/pms7003.c @@ -0,0 +1,340 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Plantower PMS7003 particulate matter sensor driver + * + * Copyright (c) Tomasz Duszynski + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PMS7003_DRIVER_NAME "pms7003" + +#define PMS7003_MAGIC 0x424d +/* last 2 data bytes hold frame checksum */ +#define PMS7003_MAX_DATA_LENGTH 28 +#define PMS7003_CHECKSUM_LENGTH 2 +#define PMS7003_PM10_OFFSET 10 +#define PMS7003_PM2P5_OFFSET 8 +#define PMS7003_PM1_OFFSET 6 + +#define PMS7003_TIMEOUT msecs_to_jiffies(6000) +#define PMS7003_CMD_LENGTH 7 +#define PMS7003_PM_MAX 1000 +#define PMS7003_PM_MIN 0 + +enum { + PM1, + PM2P5, + PM10, +}; + +enum pms7003_cmd { + CMD_WAKEUP, + CMD_ENTER_PASSIVE_MODE, + CMD_READ_PASSIVE, + CMD_SLEEP, +}; + +/* + * commands have following format: + * + * +------+------+-----+------+-----+-----------+-----------+ + * | 0x42 | 0x4d | cmd | 0x00 | arg | cksum msb | cksum lsb | + * +------+------+-----+------+-----+-----------+-----------+ + */ +static const u8 pms7003_cmd_tbl[][PMS7003_CMD_LENGTH] = { + [CMD_WAKEUP] = { 0x42, 0x4d, 0xe4, 0x00, 0x01, 0x01, 0x74 }, + [CMD_ENTER_PASSIVE_MODE] = { 0x42, 0x4d, 0xe1, 0x00, 0x00, 0x01, 0x70 }, + [CMD_READ_PASSIVE] = { 0x42, 0x4d, 0xe2, 0x00, 0x00, 0x01, 0x71 }, + [CMD_SLEEP] = { 0x42, 0x4d, 0xe4, 0x00, 0x00, 0x01, 0x73 }, +}; + +struct pms7003_frame { + u8 data[PMS7003_MAX_DATA_LENGTH]; + u16 expected_length; + u16 length; +}; + +struct pms7003_state { + struct serdev_device *serdev; + struct pms7003_frame frame; + struct completion frame_ready; + struct mutex lock; /* must be held whenever state gets touched */ +}; + +static int pms7003_do_cmd(struct pms7003_state *state, enum pms7003_cmd cmd) +{ + int ret; + + ret = serdev_device_write(state->serdev, pms7003_cmd_tbl[cmd], + PMS7003_CMD_LENGTH, PMS7003_TIMEOUT); + if (ret < PMS7003_CMD_LENGTH) + return ret < 0 ? ret : -EIO; + + ret = wait_for_completion_interruptible_timeout(&state->frame_ready, + PMS7003_TIMEOUT); + if (!ret) + ret = -ETIMEDOUT; + + return ret < 0 ? ret : 0; +} + +static u16 pms7003_get_pm(const u8 *data) +{ + return clamp_val(get_unaligned_be16(data), + PMS7003_PM_MIN, PMS7003_PM_MAX); +} + +static irqreturn_t pms7003_trigger_handler(int irq, void *p) +{ + struct iio_poll_func *pf = p; + struct iio_dev *indio_dev = pf->indio_dev; + struct pms7003_state *state = iio_priv(indio_dev); + struct pms7003_frame *frame = &state->frame; + u16 data[3 + 1 + 4]; /* PM1, PM2P5, PM10, padding, timestamp */ + int ret; + + mutex_lock(&state->lock); + ret = pms7003_do_cmd(state, CMD_READ_PASSIVE); + if (ret) { + mutex_unlock(&state->lock); + goto err; + } + + data[PM1] = pms7003_get_pm(frame->data + PMS7003_PM1_OFFSET); + data[PM2P5] = pms7003_get_pm(frame->data + PMS7003_PM2P5_OFFSET); + data[PM10] = pms7003_get_pm(frame->data + PMS7003_PM10_OFFSET); + mutex_unlock(&state->lock); + + iio_push_to_buffers_with_timestamp(indio_dev, data, + iio_get_time_ns(indio_dev)); +err: + iio_trigger_notify_done(indio_dev->trig); + + return IRQ_HANDLED; +} + +static int pms7003_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct pms7003_state *state = iio_priv(indio_dev); + struct pms7003_frame *frame = &state->frame; + int ret; + + switch (mask) { + case IIO_CHAN_INFO_PROCESSED: + switch (chan->type) { + case IIO_MASSCONCENTRATION: + mutex_lock(&state->lock); + ret = pms7003_do_cmd(state, CMD_READ_PASSIVE); + if (ret) { + mutex_unlock(&state->lock); + return ret; + } + + *val = pms7003_get_pm(frame->data + chan->address); + mutex_unlock(&state->lock); + + return IIO_VAL_INT; + default: + return -EINVAL; + } + } + + return -EINVAL; +} + +static const struct iio_info pms7003_info = { + .read_raw = pms7003_read_raw, +}; + +#define PMS7003_CHAN(_index, _mod, _addr) { \ + .type = IIO_MASSCONCENTRATION, \ + .modified = 1, \ + .channel2 = IIO_MOD_ ## _mod, \ + .address = _addr, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), \ + .scan_index = _index, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = 10, \ + .storagebits = 16, \ + .endianness = IIO_CPU, \ + }, \ +} + +static const struct iio_chan_spec pms7003_channels[] = { + PMS7003_CHAN(0, PM1, PMS7003_PM1_OFFSET), + PMS7003_CHAN(1, PM2P5, PMS7003_PM2P5_OFFSET), + PMS7003_CHAN(2, PM10, PMS7003_PM10_OFFSET), + IIO_CHAN_SOFT_TIMESTAMP(3), +}; + +static u16 pms7003_calc_checksum(struct pms7003_frame *frame) +{ + u16 checksum = (PMS7003_MAGIC >> 8) + (u8)(PMS7003_MAGIC & 0xff) + + (frame->length >> 8) + (u8)frame->length; + int i; + + for (i = 0; i < frame->length - PMS7003_CHECKSUM_LENGTH; i++) + checksum += frame->data[i]; + + return checksum; +} + +static bool pms7003_frame_is_okay(struct pms7003_frame *frame) +{ + int offset = frame->length - PMS7003_CHECKSUM_LENGTH; + u16 checksum = get_unaligned_be16(frame->data + offset); + + return checksum == pms7003_calc_checksum(frame); +} + +static int pms7003_receive_buf(struct serdev_device *serdev, + const unsigned char *buf, size_t size) +{ + struct iio_dev *indio_dev = serdev_device_get_drvdata(serdev); + struct pms7003_state *state = iio_priv(indio_dev); + struct pms7003_frame *frame = &state->frame; + int num; + + if (!frame->expected_length) { + u16 magic; + + /* wait for SOF and data length */ + if (size < 4) + return 0; + + magic = get_unaligned_be16(buf); + if (magic != PMS7003_MAGIC) + return 2; + + num = get_unaligned_be16(buf + 2); + if (num <= PMS7003_MAX_DATA_LENGTH) { + frame->expected_length = num; + frame->length = 0; + } + + return 4; + } + + num = min(size, (size_t)(frame->expected_length - frame->length)); + memcpy(frame->data + frame->length, buf, num); + frame->length += num; + + if (frame->length == frame->expected_length) { + if (pms7003_frame_is_okay(frame)) + complete(&state->frame_ready); + + frame->expected_length = 0; + } + + return num; +} + +static const struct serdev_device_ops pms7003_serdev_ops = { + .receive_buf = pms7003_receive_buf, + .write_wakeup = serdev_device_write_wakeup, +}; + +static void pms7003_stop(void *data) +{ + struct pms7003_state *state = data; + + pms7003_do_cmd(state, CMD_SLEEP); +} + +static const unsigned long pms7003_scan_masks[] = { 0x07, 0x00 }; + +static int pms7003_probe(struct serdev_device *serdev) +{ + struct pms7003_state *state; + struct iio_dev *indio_dev; + int ret; + + indio_dev = devm_iio_device_alloc(&serdev->dev, sizeof(*state)); + if (!indio_dev) + return -ENOMEM; + + state = iio_priv(indio_dev); + serdev_device_set_drvdata(serdev, indio_dev); + state->serdev = serdev; + indio_dev->dev.parent = &serdev->dev; + indio_dev->info = &pms7003_info; + indio_dev->name = PMS7003_DRIVER_NAME; + indio_dev->channels = pms7003_channels, + indio_dev->num_channels = ARRAY_SIZE(pms7003_channels); + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->available_scan_masks = pms7003_scan_masks; + + mutex_init(&state->lock); + init_completion(&state->frame_ready); + + serdev_device_set_client_ops(serdev, &pms7003_serdev_ops); + ret = devm_serdev_device_open(&serdev->dev, serdev); + if (ret) + return ret; + + serdev_device_set_baudrate(serdev, 9600); + serdev_device_set_flow_control(serdev, false); + + ret = serdev_device_set_parity(serdev, SERDEV_PARITY_NONE); + if (ret) + return ret; + + ret = pms7003_do_cmd(state, CMD_WAKEUP); + if (ret) { + dev_err(&serdev->dev, "failed to wakeup sensor\n"); + return ret; + } + + ret = pms7003_do_cmd(state, CMD_ENTER_PASSIVE_MODE); + if (ret) { + dev_err(&serdev->dev, "failed to enter passive mode\n"); + return ret; + } + + ret = devm_add_action_or_reset(&serdev->dev, pms7003_stop, state); + if (ret) + return ret; + + ret = devm_iio_triggered_buffer_setup(&serdev->dev, indio_dev, NULL, + pms7003_trigger_handler, NULL); + if (ret) + return ret; + + return devm_iio_device_register(&serdev->dev, indio_dev); +} + +static const struct of_device_id pms7003_of_match[] = { + { .compatible = "plantower,pms7003" }, + { } +}; +MODULE_DEVICE_TABLE(of, pms7003_of_match); + +static struct serdev_device_driver pms7003_driver = { + .driver = { + .name = PMS7003_DRIVER_NAME, + .of_match_table = pms7003_of_match, + }, + .probe = pms7003_probe, +}; +module_serdev_device_driver(pms7003_driver); + +MODULE_AUTHOR("Tomasz Duszynski "); +MODULE_DESCRIPTION("Plantower PMS7003 particulate matter sensor driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c index 375df5060ed5..edbb956e81e8 100644 --- a/drivers/iio/chemical/sps30.c +++ b/drivers/iio/chemical/sps30.c @@ -118,6 +118,7 @@ static int sps30_do_cmd(struct sps30_state *state, u16 cmd, u8 *data, int size) case SPS30_READ_AUTO_CLEANING_PERIOD: buf[0] = SPS30_AUTO_CLEANING_PERIOD >> 8; buf[1] = (u8)SPS30_AUTO_CLEANING_PERIOD; + /* fall through */ case SPS30_READ_DATA_READY_FLAG: case SPS30_READ_DATA: case SPS30_READ_SERIAL: @@ -295,6 +296,8 @@ static int sps30_read_raw(struct iio_dev *indio_dev, *val2 = 10000; return IIO_VAL_INT_PLUS_MICRO; + default: + return -EINVAL; } default: return -EINVAL;