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Diffstat (limited to 'src/drivers/i2c/generic/chip.h')
| -rw-r--r-- | src/drivers/i2c/generic/chip.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/drivers/i2c/generic/chip.h b/src/drivers/i2c/generic/chip.h index 8e13ffc7bb..227cb61e18 100644 --- a/src/drivers/i2c/generic/chip.h +++ b/src/drivers/i2c/generic/chip.h @@ -69,6 +69,19 @@ struct drivers_i2c_generic_config { /* Delay to be inserted after enabling stop. */ unsigned int stop_off_delay_ms; + /* + * The Rotation Matrix' allows specifying a 3x3 matrix representing + * the orientation of devices, such as accelerometers. Each value in + * the matrix can be one of -1, 0, or 1, indicating the transformation + * applied to the device's axes. + * + * It is expected by linux and required for the OS to correctly interpret + * the data from the device. + */ + bool has_rotation_matrix; + int rotation_matrix[9]; + + /* Generic properties for exporting device-specific data to the OS */ struct acpi_dp property_list[MAX_GENERIC_PROPERTY_LIST]; int property_count; |