diff options
Diffstat (limited to 'drivers/iio/accel/bmc150-accel-core.c')
-rw-r--r-- | drivers/iio/accel/bmc150-accel-core.c | 44 |
1 files changed, 2 insertions, 42 deletions
diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index 110591804b..ae0cd48a3e 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -386,13 +386,9 @@ static int bmc150_accel_set_power_state(struct bmc150_accel_data *data, bool on) static bool bmc150_apply_bosc0200_acpi_orientation(struct device *dev, struct iio_mount_matrix *orientation) { - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; struct iio_dev *indio_dev = dev_get_drvdata(dev); struct acpi_device *adev = ACPI_COMPANION(dev); - char *name, *alt_name, *label, *str; - union acpi_object *obj, *elements; - acpi_status status; - int i, j, val[3]; + char *name, *alt_name, *label; if (strcmp(dev_name(dev), "i2c-BOSC0200:base") == 0) { alt_name = "ROMK"; @@ -411,43 +407,7 @@ static bool bmc150_apply_bosc0200_acpi_orientation(struct device *dev, return false; } - status = acpi_evaluate_object(adev->handle, name, NULL, &buffer); - if (ACPI_FAILURE(status)) { - dev_warn(dev, "Failed to get ACPI mount matrix: %d\n", status); - return false; - } - - obj = buffer.pointer; - if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count != 3) - goto unknown_format; - - elements = obj->package.elements; - for (i = 0; i < 3; i++) { - if (elements[i].type != ACPI_TYPE_STRING) - goto unknown_format; - - str = elements[i].string.pointer; - if (sscanf(str, "%d %d %d", &val[0], &val[1], &val[2]) != 3) - goto unknown_format; - - for (j = 0; j < 3; j++) { - switch (val[j]) { - case -1: str = "-1"; break; - case 0: str = "0"; break; - case 1: str = "1"; break; - default: goto unknown_format; - } - orientation->rotation[i * 3 + j] = str; - } - } - - kfree(buffer.pointer); - return true; - -unknown_format: - dev_warn(dev, "Unknown ACPI mount matrix format, ignoring\n"); - kfree(buffer.pointer); - return false; + return iio_read_acpi_mount_matrix(dev, orientation, name); } static bool bmc150_apply_dual250e_acpi_orientation(struct device *dev, |