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iio: st_accel: Fix unused variable warning

[ Upstream commit 0163c1c521 ]

drivers/iio/accel/st_accel_core.c:1005:44: warning:
 mount_matrix_ext_info defined but not used [-Wunused-const-variable=]

Using stub helper while CONFIG_ACPI is disabled to fix it.

Suggested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
YueHaibing 2019-11-11 11:21:15 +08:00 committed by Greg Kroah-Hartman
parent 7a6cec43ba
commit f7a667db91
1 changed files with 8 additions and 4 deletions

View File

@ -993,6 +993,7 @@ static const struct iio_trigger_ops st_accel_trigger_ops = {
#define ST_ACCEL_TRIGGER_OPS NULL
#endif
#ifdef CONFIG_ACPI
static const struct iio_mount_matrix *
get_mount_matrix(const struct iio_dev *indio_dev,
const struct iio_chan_spec *chan)
@ -1013,7 +1014,6 @@ static const struct iio_chan_spec_ext_info mount_matrix_ext_info[] = {
static int apply_acpi_orientation(struct iio_dev *indio_dev,
struct iio_chan_spec *channels)
{
#ifdef CONFIG_ACPI
struct st_sensor_data *adata = iio_priv(indio_dev);
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_device *adev;
@ -1141,10 +1141,14 @@ static int apply_acpi_orientation(struct iio_dev *indio_dev,
out:
kfree(buffer.pointer);
return ret;
#else /* !CONFIG_ACPI */
return 0;
#endif
}
#else /* !CONFIG_ACPI */
static int apply_acpi_orientation(struct iio_dev *indio_dev,
struct iio_chan_spec *channels)
{
return 0;
}
#endif
/*
* st_accel_get_settings() - get sensor settings from device name