diff options
Diffstat (limited to 'drivers/iio/adc')
34 files changed, 34 insertions, 146 deletions
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 2036eca546fd..f96a7702b020 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # ADC drivers # diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index 605eb5e7e829..c31b8eabb894 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * AD7266/65 SPI ADC driver * * Copyright 2012 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #include <linux/device.h> diff --git a/drivers/iio/adc/ad7291.c b/drivers/iio/adc/ad7291.c index a862b5d8fb4b..b2b137fed246 100644 --- a/drivers/iio/adc/ad7291.c +++ b/drivers/iio/adc/ad7291.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * AD7291 8-Channel, I2C, 12-Bit SAR ADC with Temperature Sensor * * Copyright 2010-2011 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. */ #include <linux/device.h> diff --git a/drivers/iio/adc/ad7298.c b/drivers/iio/adc/ad7298.c index e0220825fde0..dc8d8c5f6ad3 100644 --- a/drivers/iio/adc/ad7298.c +++ b/drivers/iio/adc/ad7298.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * AD7298 SPI ADC driver * * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #include <linux/device.h> diff --git a/drivers/iio/adc/ad7766.c b/drivers/iio/adc/ad7766.c index 3ae14fc8c649..bc388ea41754 100644 --- a/drivers/iio/adc/ad7766.c +++ b/drivers/iio/adc/ad7766.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * AD7766/AD7767 SPI ADC driver * * Copyright 2016 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. */ #include <linux/clk.h> diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c index a9ff0695ddf7..54025ea10239 100644 --- a/drivers/iio/adc/ad7791.c +++ b/drivers/iio/adc/ad7791.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * AD7787/AD7788/AD7789/AD7790/AD7791 SPI ADC driver * * Copyright 2012 Analog Devices Inc. * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * Licensed under the GPL-2. */ #include <linux/interrupt.h> diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index 4ac3ae62f56f..bbc41ecf0d2f 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * AD7785/AD7792/AD7793/AD7794/AD7795 SPI ADC driver * * Copyright 2011-2012 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #include <linux/interrupt.h> diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c index 9d4c2467d362..6223043e432b 100644 --- a/drivers/iio/adc/ad7887.c +++ b/drivers/iio/adc/ad7887.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * AD7887 SPI ADC driver * * Copyright 2010-2011 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #include <linux/device.h> diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c index cb7b854df00c..3212eb4c0f25 100644 --- a/drivers/iio/adc/ad7923.c +++ b/drivers/iio/adc/ad7923.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * AD7904/AD7914/AD7923/AD7924 SPI ADC driver * * Copyright 2011 Analog Devices Inc (from AD7923 Driver) * Copyright 2012 CS Systemes d'Information - * - * Licensed under the GPL-2. */ #include <linux/device.h> diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c index a4310600a853..1423221c6e06 100644 --- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Support code for Analog Devices Sigma-Delta ADCs * * Copyright 2012 Analog Devices Inc. * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * Licensed under the GPL-2. */ #include <linux/interrupt.h> diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 596841a3c4db..d23709ed9049 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the ADC present in the Atmel AT91 evaluation boards. * * Copyright 2011 Free Electrons - * - * Licensed under the GPLv2 or later. */ #include <linux/bitmap.h> diff --git a/drivers/iio/adc/cpcap-adc.c b/drivers/iio/adc/cpcap-adc.c index 9ad60421d360..2d616cafe75f 100644 --- a/drivers/iio/adc/cpcap-adc.c +++ b/drivers/iio/adc/cpcap-adc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2017 Tony Lindgren <tony@atomide.com> * @@ -5,15 +6,6 @@ * earlier driver found in the Motorola Linux kernel: * * Copyright (C) 2009-2010 Motorola, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/delay.h> diff --git a/drivers/iio/adc/da9150-gpadc.c b/drivers/iio/adc/da9150-gpadc.c index 0a5d9ce79164..354433996101 100644 --- a/drivers/iio/adc/da9150-gpadc.c +++ b/drivers/iio/adc/da9150-gpadc.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DA9150 GPADC Driver * * Copyright (c) 2014 Dialog Semiconductor * * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c index 1ca2c4d39f87..d4c3ece21679 100644 --- a/drivers/iio/adc/exynos_adc.c +++ b/drivers/iio/adc/exynos_adc.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * exynos_adc.c - Support for ADC in EXYNOS SoCs * * 8 ~ 10 channel, 10/12-bit ADC * * Copyright (C) 2013 Naveen Krishna Chatradhi <ch.naveen@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/iio/adc/hi8435.c b/drivers/iio/adc/hi8435.c index 6f6c9a348158..35951c47004e 100644 --- a/drivers/iio/adc/hi8435.c +++ b/drivers/iio/adc/hi8435.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Holt Integrated Circuits HI-8435 threshold detector driver * * Copyright (C) 2015 Zodiac Inflight Innovations * Copyright (C) 2015 Cogent Embedded, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/delay.h> diff --git a/drivers/iio/adc/hx711.c b/drivers/iio/adc/hx711.c index 36b59d8957fb..88c7fe15003b 100644 --- a/drivers/iio/adc/hx711.c +++ b/drivers/iio/adc/hx711.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * HX711: analog to digital converter for weight sensor module * * Copyright (c) 2016 Andreas Klinger <ak@it-klinger.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/err.h> #include <linux/kernel.h> diff --git a/drivers/iio/adc/imx7d_adc.c b/drivers/iio/adc/imx7d_adc.c index 958a34dd88ac..4fe97c2a0f43 100644 --- a/drivers/iio/adc/imx7d_adc.c +++ b/drivers/iio/adc/imx7d_adc.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Freescale i.MX7D ADC driver * * Copyright (C) 2015 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/clk.h> diff --git a/drivers/iio/adc/ltc2497.c b/drivers/iio/adc/ltc2497.c index f1f7cdf66fbd..470406032720 100644 --- a/drivers/iio/adc/ltc2497.c +++ b/drivers/iio/adc/ltc2497.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ltc2497.c - Driver for Analog Devices/Linear Technology LTC2497 ADC * * Copyright (C) 2017 Analog Devices Inc. * - * Licensed under the GPL-2. - * * Datasheet: http://cds.linear.com/docs/en/datasheet/2497fd.pdf */ diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c index 819f26011500..ea24d7c58b12 100644 --- a/drivers/iio/adc/mcp3422.c +++ b/drivers/iio/adc/mcp3422.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * mcp3422.c - driver for the Microchip mcp3421/2/3/4/5/6/7/8 chip family * @@ -10,11 +11,6 @@ * * This driver exports the value of analog input voltage to sysfs, the * voltage unit is nV. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/err.h> diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c index 95d76abb64ec..d1759c804b26 100644 --- a/drivers/iio/adc/mt6577_auxadc.c +++ b/drivers/iio/adc/mt6577_auxadc.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2016 MediaTek Inc. * Author: Zhiyong Tao <zhiyong.tao@mediatek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/clk.h> diff --git a/drivers/iio/adc/mxs-lradc-adc.c b/drivers/iio/adc/mxs-lradc-adc.c index 5384472b6c4d..9d2f74c2489a 100644 --- a/drivers/iio/adc/mxs-lradc-adc.c +++ b/drivers/iio/adc/mxs-lradc-adc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Freescale MXS LRADC ADC driver * @@ -7,16 +8,6 @@ * Authors: * Marek Vasut <marex@denx.de> * Ksenija Stanojevic <ksenija.stanojevic@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/completion.h> diff --git a/drivers/iio/adc/nau7802.c b/drivers/iio/adc/nau7802.c index 8997e74a8847..572579139fba 100644 --- a/drivers/iio/adc/nau7802.c +++ b/drivers/iio/adc/nau7802.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the Nuvoton NAU7802 ADC * * Copyright 2013 Free Electrons - * - * Licensed under the GPLv2 or later. */ #include <linux/delay.h> diff --git a/drivers/iio/adc/npcm_adc.c b/drivers/iio/adc/npcm_adc.c index 9e25bbec9c70..193b3b81de4d 100644 --- a/drivers/iio/adc/npcm_adc.c +++ b/drivers/iio/adc/npcm_adc.c @@ -149,7 +149,7 @@ static int npcm_adc_read_raw(struct iio_dev *indio_dev, } return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - if (info->vref) { + if (!IS_ERR(info->vref)) { vref_uv = regulator_get_voltage(info->vref); *val = vref_uv / 1000; } else { diff --git a/drivers/iio/adc/qcom-pm8xxx-xoadc.c b/drivers/iio/adc/qcom-pm8xxx-xoadc.c index 4735f8a1ca9d..c599ffa45a04 100644 --- a/drivers/iio/adc/qcom-pm8xxx-xoadc.c +++ b/drivers/iio/adc/qcom-pm8xxx-xoadc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Qualcomm PM8xxx PMIC XOADC driver * diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 1f98566d5b3c..dd8299831e09 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Rockchip Successive Approximation Register (SAR) A/D Converter * Copyright (C) 2014 ROCKCHIP, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/iio/adc/spear_adc.c b/drivers/iio/adc/spear_adc.c index b1da2c46107c..a33d0a4cc088 100644 --- a/drivers/iio/adc/spear_adc.c +++ b/drivers/iio/adc/spear_adc.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ST SPEAr ADC driver * * Copyright 2012 Stefan Roese <sr@denx.de> - * - * Licensed under the GPL-2. */ #include <linux/module.h> diff --git a/drivers/iio/adc/stx104.c b/drivers/iio/adc/stx104.c index 0662ca199eb0..f87bbc711ccc 100644 --- a/drivers/iio/adc/stx104.c +++ b/drivers/iio/adc/stx104.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * IIO driver for the Apex Embedded Systems STX104 * Copyright (C) 2016 William Breathitt Gray - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/bitops.h> #include <linux/device.h> diff --git a/drivers/iio/adc/ti-ads124s08.c b/drivers/iio/adc/ti-ads124s08.c index 53f17e4f2f23..552c2be8d87a 100644 --- a/drivers/iio/adc/ti-ads124s08.c +++ b/drivers/iio/adc/ti-ads124s08.c @@ -202,7 +202,7 @@ static int ads124s_read(struct iio_dev *indio_dev, unsigned int chan) }; priv->data[0] = ADS124S08_CMD_RDATA; - memset(&priv->data[1], ADS124S08_CMD_NOP, sizeof(priv->data)); + memset(&priv->data[1], ADS124S08_CMD_NOP, sizeof(priv->data) - 1); ret = spi_sync_transfer(priv->spi, t, ARRAY_SIZE(t)); if (ret < 0) diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c index f9461070a74a..8cb7a2034982 100644 --- a/drivers/iio/adc/ti-ads8688.c +++ b/drivers/iio/adc/ti-ads8688.c @@ -397,7 +397,7 @@ static irqreturn_t ads8688_trigger_handler(int irq, void *p) } iio_push_to_buffers_with_timestamp(indio_dev, buffer, - pf->timestamp); + iio_get_time_ns(indio_dev)); iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index bbcb7a4d7edf..41d3621c4787 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Freescale Vybrid vf610 ADC driver * * Copyright 2013 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/iio/adc/viperboard_adc.c b/drivers/iio/adc/viperboard_adc.c index 53eb5a4136fe..1d2aeb04069b 100644 --- a/drivers/iio/adc/viperboard_adc.c +++ b/drivers/iio/adc/viperboard_adc.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Nano River Technologies viperboard IIO ADC driver * * (C) 2012 by Lemonage GmbH * Author: Lars Poeschel <poeschel@lemonage.de> * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/kernel.h> diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index 6401ca7a9a20..4fd389678dba 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Xilinx XADC driver * * Copyright 2013-2014 Analog Devices Inc. * Author: Lars-Peter Clauen <lars@metafoo.de> * - * Licensed under the GPL-2. - * * Documentation for the parts can be found at: * - XADC hardmacro: Xilinx UG480 * - ZYNQ XADC interface: Xilinx UG585 diff --git a/drivers/iio/adc/xilinx-xadc-events.c b/drivers/iio/adc/xilinx-xadc-events.c index dc0670308253..dbfd5da290a4 100644 --- a/drivers/iio/adc/xilinx-xadc-events.c +++ b/drivers/iio/adc/xilinx-xadc-events.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Xilinx XADC driver * * Copyright 2013 Analog Devices Inc. * Author: Lars-Peter Clauen <lars@metafoo.de> - * - * Licensed under the GPL-2. */ #include <linux/iio/events.h> diff --git a/drivers/iio/adc/xilinx-xadc.h b/drivers/iio/adc/xilinx-xadc.h index 8c0009585c16..4017f18b0a4f 100644 --- a/drivers/iio/adc/xilinx-xadc.h +++ b/drivers/iio/adc/xilinx-xadc.h @@ -1,10 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Xilinx XADC driver * * Copyright 2013 Analog Devices Inc. * Author: Lars-Peter Clauen <lars@metafoo.de> - * - * Licensed under the GPL-2. */ #ifndef __IIO_XILINX_XADC__ |