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-rw-r--r-- | docs/fingerprint/fingerprint.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/fingerprint/fingerprint.md b/docs/fingerprint/fingerprint.md index ae1a95a9bf..a7aee4f7bf 100644 --- a/docs/fingerprint/fingerprint.md +++ b/docs/fingerprint/fingerprint.md @@ -486,6 +486,16 @@ You can test your changes by documentation has a [section on testing properties] that describes this in more detail. +### SKUs + +The fingerprint sensor may only be included on certain SKUs for a given device. +The fingerprint code uses [Chrome OS Config] to determine whether a device has a +fingerprint sensor or not. For each SKU, there is an associated +[fingerprint config][Chrome OS Config fingerprint]. [Chrome OS Config] +determines the [SKU information][Chrome OS Config SKU] (and thus the +[fingerprint config][Chrome OS Config fingerprint]) from [CBI Info]. The SKU for +a given device can be found by viewing `chrome://system/#platform_identity_sku`. + [`common/fpsensor`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/common/fpsensor/ [`driver/fingerprint`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/master/driver/fingerprint [`nocturne_fp`]: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/board/nocturne_fp/ @@ -540,3 +550,5 @@ detail. [Icetower v0.2]: ./fingerprint-dev-for-partners.md#fpmcu-dev-board [Nucleo F412ZG]: https://www.digikey.com/en/products/detail/stmicroelectronics/NUCLEO-F412ZG/6137573 [Nucleo H743ZI2]: https://www.digikey.com/en/products/detail/stmicroelectronics/NUCLEO-H743ZI2/10130892 +[CBI Info]: https://chromium.googlesource.com/chromiumos/docs/+/HEAD/design_docs/cros_board_info.md +[Chrome OS Config SKU]: https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/chromeos-config/README.md#identity |