From 97c73303cf9d5f6c8b6e871ddebd01a8e4ce4206 Mon Sep 17 00:00:00 2001 From: Tom Hughes Date: Fri, 6 Mar 2020 17:15:29 -0800 Subject: driver/fingerprint: Clarify FPC 1145 hardware ID BRANCH=none BUG=b:150407388 TEST=make buildall -j Change-Id: Id0e7b42affcabf90c94334603a40b87cbc9543a8 Signed-off-by: Tom Hughes Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2092913 Commit-Queue: Craig Hesling Reviewed-by: Andrey Perminov Reviewed-by: Craig Hesling --- driver/fingerprint/fpc/libfp/fpc1145_private.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'driver/fingerprint/fpc/libfp') diff --git a/driver/fingerprint/fpc/libfp/fpc1145_private.h b/driver/fingerprint/fpc/libfp/fpc1145_private.h index 91b072d6a2..399c75118b 100644 --- a/driver/fingerprint/fpc/libfp/fpc1145_private.h +++ b/driver/fingerprint/fpc/libfp/fpc1145_private.h @@ -8,7 +8,13 @@ #include -/* The 16-bit hardware ID is 0x140y */ +/** + * The hardware ID is 16-bits. All 114x FPC sensors (including FPC1145) are + * detected with the pattern 0x1400 and mask 0xFFF0. All supported variants of + * the 1145 (0x140B, 0x140C, and 0x1401) should be detected as part of the FPC + * 1140 family with identical functionality. + * See http://b/150407388 for additional details. + */ #define FP_SENSOR_HWID 0x140 /* Sensor type name */ -- cgit v1.2.1