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authorHans de Goede <hdegoede@redhat.com>2024-04-25 14:57:53 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2024-04-29 20:53:25 +0100
commitdd3f40b53957541c04a9dceed178df38ddbe3447 (patch)
tree83e70045511ab3ab93b107e8a15f06b402590b6c
parente074cc3080d507b3680160248bb5b450d7009efb (diff)
downloadiio-dd3f40b53957541c04a9dceed178df38ddbe3447.tar.gz
iio: bmc150-accel-core: Use iio_read_acpi_mount_matrix() helper
Replace the duplicate ACPI "ROTM" data parsing code with the new shared iio_read_acpi_mount_matrix() helper. Acked-by: Rafael J. Wysocki <rafael@kernel.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20240425125754.76010-4-hdegoede@redhat.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/accel/bmc150-accel-core.c44
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 110591804b4c4f..ae0cd48a3e2936 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,