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| author | Karthikeyan Ramasubramanian <kramasub@google.com> | 2021-02-09 10:07:47 -0700 |
|---|---|---|
| committer | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2021-02-18 22:48:27 +0000 |
| commit | a7e6788ea70ea74fb905ae70035b74ec2caf39fd (patch) | |
| tree | 0de280694a0b5172f90d2f788c85ea3d46aa4599 /LICENSES/CC-BY-4.0.txt | |
| parent | 02bec2bd5cbef9ab5fab422b801768686e436b51 (diff) | |
drivers/i2c/hid: Enforce level triggered IRQ mode
As per HID over I2C Protocol Specification[1] Version 1.00 Section 7.4,
the interrupt line used by the device is required to be level triggered.
This change ensures that the IRQ is appropriately configured.
References:
[1] http://download.microsoft.com/download/7/d/d/7dd44bb7-2a7a-4505-ac1c-7227d3d96d5b/hid-over-i2c-protocol-spec-v1-0.docx
BUG=b:172846122
TEST=./util/abuild/abuild. Build and boot to OS in Dedede.
Change-Id: I3245a9de6e88cd83528823251083e62288192f0d
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50442
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Diffstat (limited to 'LICENSES/CC-BY-4.0.txt')
0 files changed, 0 insertions, 0 deletions