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2e8bd34a16
Since we put static variable to a header file it's copied to each module
that includes the header. But not all of them are actually used it.
Mark default_accel_pdata with __maybe_unused to calm a compiler down:
In file included from drivers/iio/accel/st_accel_i2c.c:19:
drivers/iio/accel/st_accel.h:67:46: warning: ‘default_accel_pdata’ defined but not used [-Wunused-const-variable=]
67 | static const struct st_sensors_platform_data default_accel_pdata = {
| ^~~~~~~~~~~~~~~~~~~
...
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* STMicroelectronics accelerometers driver
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*
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* Copyright 2012-2013 STMicroelectronics Inc.
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*
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* Denis Ciocca <denis.ciocca@st.com>
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* v. 1.0.0
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*/
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#ifndef ST_ACCEL_H
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#define ST_ACCEL_H
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#include <linux/types.h>
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#include <linux/iio/common/st_sensors.h>
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enum st_accel_type {
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LSM303DLH,
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LSM303DLHC,
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LIS3DH,
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LSM330D,
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LSM330DL,
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LSM330DLC,
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LIS331DLH,
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LSM303DL,
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LSM303DLM,
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LSM330,
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LSM303AGR,
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LIS2DH12,
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LIS3L02DQ,
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LNG2DM,
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H3LIS331DL,
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LIS331DL,
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LIS3LV02DL,
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LIS2DW12,
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LIS3DHH,
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LIS2DE12,
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ST_ACCEL_MAX,
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};
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#define H3LIS331DL_ACCEL_DEV_NAME "h3lis331dl_accel"
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#define LIS3LV02DL_ACCEL_DEV_NAME "lis3lv02dl_accel"
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#define LSM303DLHC_ACCEL_DEV_NAME "lsm303dlhc_accel"
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#define LIS3DH_ACCEL_DEV_NAME "lis3dh"
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#define LSM330D_ACCEL_DEV_NAME "lsm330d_accel"
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#define LSM330DL_ACCEL_DEV_NAME "lsm330dl_accel"
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#define LSM330DLC_ACCEL_DEV_NAME "lsm330dlc_accel"
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#define LIS331DL_ACCEL_DEV_NAME "lis331dl_accel"
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#define LIS331DLH_ACCEL_DEV_NAME "lis331dlh"
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#define LSM303DL_ACCEL_DEV_NAME "lsm303dl_accel"
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#define LSM303DLH_ACCEL_DEV_NAME "lsm303dlh_accel"
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#define LSM303DLM_ACCEL_DEV_NAME "lsm303dlm_accel"
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#define LSM330_ACCEL_DEV_NAME "lsm330_accel"
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#define LSM303AGR_ACCEL_DEV_NAME "lsm303agr_accel"
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#define LIS2DH12_ACCEL_DEV_NAME "lis2dh12_accel"
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#define LIS3L02DQ_ACCEL_DEV_NAME "lis3l02dq"
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#define LNG2DM_ACCEL_DEV_NAME "lng2dm"
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#define LIS2DW12_ACCEL_DEV_NAME "lis2dw12"
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#define LIS3DHH_ACCEL_DEV_NAME "lis3dhh"
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#define LIS3DE_ACCEL_DEV_NAME "lis3de"
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#define LIS2DE12_ACCEL_DEV_NAME "lis2de12"
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/**
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* struct st_sensors_platform_data - default accel platform data
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* @drdy_int_pin: default accel DRDY is available on INT1 pin.
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*/
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static __maybe_unused const struct st_sensors_platform_data default_accel_pdata = {
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.drdy_int_pin = 1,
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};
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const struct st_sensor_settings *st_accel_get_settings(const char *name);
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int st_accel_common_probe(struct iio_dev *indio_dev);
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void st_accel_common_remove(struct iio_dev *indio_dev);
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#ifdef CONFIG_IIO_BUFFER
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int st_accel_allocate_ring(struct iio_dev *indio_dev);
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void st_accel_deallocate_ring(struct iio_dev *indio_dev);
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int st_accel_trig_set_state(struct iio_trigger *trig, bool state);
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#define ST_ACCEL_TRIGGER_SET_STATE (&st_accel_trig_set_state)
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#else /* CONFIG_IIO_BUFFER */
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static inline int st_accel_allocate_ring(struct iio_dev *indio_dev)
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{
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return 0;
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}
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static inline void st_accel_deallocate_ring(struct iio_dev *indio_dev)
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{
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}
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#define ST_ACCEL_TRIGGER_SET_STATE NULL
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#endif /* CONFIG_IIO_BUFFER */
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#endif /* ST_ACCEL_H */
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