diff options
Diffstat (limited to 'drivers/input/misc/cma3000_d0x.c')
| -rw-r--r-- | drivers/input/misc/cma3000_d0x.c | 36 |
1 files changed, 8 insertions, 28 deletions
diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c index df9b756594f8..b4232b0a3957 100644 --- a/drivers/input/misc/cma3000_d0x.c +++ b/drivers/input/misc/cma3000_d0x.c @@ -1,22 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * VTI CMA3000_D0x Accelerometer driver * * Copyright (C) 2010 Texas Instruments * Author: Hemanth V <hemanthv@ti.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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/export.h> #include <linux/types.h> #include <linux/interrupt.h> #include <linux/delay.h> @@ -228,15 +218,13 @@ static int cma3000_open(struct input_dev *input_dev) { struct cma3000_accl_data *data = input_get_drvdata(input_dev); - mutex_lock(&data->mutex); + guard(mutex)(&data->mutex); if (!data->suspended) cma3000_poweron(data); data->opened = true; - mutex_unlock(&data->mutex); - return 0; } @@ -244,47 +232,41 @@ static void cma3000_close(struct input_dev *input_dev) { struct cma3000_accl_data *data = input_get_drvdata(input_dev); - mutex_lock(&data->mutex); + guard(mutex)(&data->mutex); if (!data->suspended) cma3000_poweroff(data); data->opened = false; - - mutex_unlock(&data->mutex); } void cma3000_suspend(struct cma3000_accl_data *data) { - mutex_lock(&data->mutex); + guard(mutex)(&data->mutex); if (!data->suspended && data->opened) cma3000_poweroff(data); data->suspended = true; - - mutex_unlock(&data->mutex); } EXPORT_SYMBOL(cma3000_suspend); void cma3000_resume(struct cma3000_accl_data *data) { - mutex_lock(&data->mutex); + guard(mutex)(&data->mutex); if (data->suspended && data->opened) cma3000_poweron(data); data->suspended = false; - - mutex_unlock(&data->mutex); } EXPORT_SYMBOL(cma3000_resume); struct cma3000_accl_data *cma3000_init(struct device *dev, int irq, const struct cma3000_bus_ops *bops) { - const struct cma3000_platform_data *pdata = dev->platform_data; + const struct cma3000_platform_data *pdata = dev_get_platdata(dev); struct cma3000_accl_data *data; struct input_dev *input_dev; int rev; @@ -303,7 +285,7 @@ struct cma3000_accl_data *cma3000_init(struct device *dev, int irq, goto err_out; } - data = kzalloc(sizeof(struct cma3000_accl_data), GFP_KERNEL); + data = kzalloc(sizeof(*data), GFP_KERNEL); input_dev = input_allocate_device(); if (!data || !input_dev) { error = -ENOMEM; @@ -336,8 +318,6 @@ struct cma3000_accl_data *cma3000_init(struct device *dev, int irq, input_dev->open = cma3000_open; input_dev->close = cma3000_close; - __set_bit(EV_ABS, input_dev->evbit); - input_set_abs_params(input_dev, ABS_X, -data->g_range, data->g_range, pdata->fuzz_x, 0); input_set_abs_params(input_dev, ABS_Y, |