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iio: st_accel: Fix unused variable warning

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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>
This commit is contained in:
YueHaibing 2019-11-11 11:21:15 +08:00 committed by Jonathan Cameron
parent 341826a065
commit 0163c1c521
1 changed files with 8 additions and 4 deletions
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12
drivers/iio/accel/st_accel_core.c
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@ -992,6 +992,7 @@ static const struct iio_trigger_ops st_accel_trigger_ops = {
#define ST_ACCEL_TRIGGER_OPS NULL #define ST_ACCEL_TRIGGER_OPS NULL
#endif #endif
#ifdef CONFIG_ACPI
static const struct iio_mount_matrix * static const struct iio_mount_matrix *
get_mount_matrix(const struct iio_dev *indio_dev, get_mount_matrix(const struct iio_dev *indio_dev,
const struct iio_chan_spec *chan) const struct iio_chan_spec *chan)
@ -1012,7 +1013,6 @@ static const struct iio_chan_spec_ext_info mount_matrix_ext_info[] = {
static int apply_acpi_orientation(struct iio_dev *indio_dev, static int apply_acpi_orientation(struct iio_dev *indio_dev,
struct iio_chan_spec *channels) struct iio_chan_spec *channels)
{ {
#ifdef CONFIG_ACPI
struct st_sensor_data *adata = iio_priv(indio_dev); struct st_sensor_data *adata = iio_priv(indio_dev);
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_device *adev; struct acpi_device *adev;
@ -1140,10 +1140,14 @@ static int apply_acpi_orientation(struct iio_dev *indio_dev,
out: out:
kfree(buffer.pointer); kfree(buffer.pointer);
return ret; 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 * st_accel_get_settings() - get sensor settings from device name