diff options
Diffstat (limited to 'drivers/input/touchscreen/surface3_spi.c')
| -rw-r--r-- | drivers/input/touchscreen/surface3_spi.c | 37 |
1 files changed, 12 insertions, 25 deletions
diff --git a/drivers/input/touchscreen/surface3_spi.c b/drivers/input/touchscreen/surface3_spi.c index 5db0f1c4ef38..6074b7730e86 100644 --- a/drivers/input/touchscreen/surface3_spi.c +++ b/drivers/input/touchscreen/surface3_spi.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for Ntrig/Microsoft Touchscreens over SPI * * Copyright (c) 2016 Red Hat 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; version 2 of the License. - */ #include <linux/kernel.h> @@ -22,7 +18,7 @@ #include <linux/spi/spi.h> #include <linux/acpi.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #define SURFACE3_PACKET_SIZE 264 @@ -98,9 +94,7 @@ static void surface3_spi_report_touch(struct surface3_ts_data *ts_data, static void surface3_spi_process_touch(struct surface3_ts_data *ts_data, u8 *data) { - u16 timestamp; unsigned int i; - timestamp = get_unaligned_le16(&data[15]); for (i = 0; i < 13; i++) { struct surface3_ts_data_finger *finger; @@ -223,11 +217,10 @@ static void surface3_spi_power(struct surface3_ts_data *data, bool on) /** * surface3_spi_get_gpio_config - Get GPIO config from ACPI/DT * - * @ts: surface3_spi_ts_data pointer + * @data: surface3_spi_ts_data pointer */ static int surface3_spi_get_gpio_config(struct surface3_ts_data *data) { - int error; struct device *dev; struct gpio_desc *gpiod; int i; @@ -237,15 +230,9 @@ static int surface3_spi_get_gpio_config(struct surface3_ts_data *data) /* Get the reset lines GPIO pin number */ for (i = 0; i < 2; i++) { gpiod = devm_gpiod_get_index(dev, NULL, i, GPIOD_OUT_LOW); - if (IS_ERR(gpiod)) { - error = PTR_ERR(gpiod); - if (error != -EPROBE_DEFER) - dev_err(dev, - "Failed to get power GPIO %d: %d\n", - i, - error); - return error; - } + if (IS_ERR(gpiod)) + return dev_err_probe(dev, PTR_ERR(gpiod), + "Failed to get power GPIO %d\n", i); data->gpiod_rst[i] = gpiod; } @@ -375,7 +362,7 @@ static int surface3_spi_probe(struct spi_device *spi) return 0; } -static int __maybe_unused surface3_spi_suspend(struct device *dev) +static int surface3_spi_suspend(struct device *dev) { struct spi_device *spi = to_spi_device(dev); struct surface3_ts_data *data = spi_get_drvdata(spi); @@ -387,7 +374,7 @@ static int __maybe_unused surface3_spi_suspend(struct device *dev) return 0; } -static int __maybe_unused surface3_spi_resume(struct device *dev) +static int surface3_spi_resume(struct device *dev) { struct spi_device *spi = to_spi_device(dev); struct surface3_ts_data *data = spi_get_drvdata(spi); @@ -399,9 +386,9 @@ static int __maybe_unused surface3_spi_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(surface3_spi_pm_ops, - surface3_spi_suspend, - surface3_spi_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(surface3_spi_pm_ops, + surface3_spi_suspend, + surface3_spi_resume); #ifdef CONFIG_ACPI static const struct acpi_device_id surface3_spi_acpi_match[] = { @@ -415,7 +402,7 @@ static struct spi_driver surface3_spi_driver = { .driver = { .name = "Surface3-spi", .acpi_match_table = ACPI_PTR(surface3_spi_acpi_match), - .pm = &surface3_spi_pm_ops, + .pm = pm_sleep_ptr(&surface3_spi_pm_ops), }, .probe = surface3_spi_probe, }; |