diff options
| author | Edward O'Callaghan <quasisec@google.com> | 2020-01-17 18:47:11 +1100 |
|---|---|---|
| committer | Edward O'Callaghan <quasisec@chromium.org> | 2020-04-15 02:35:22 +0000 |
| commit | 4f176913c102599c59c98c0729cc198ad19adda4 (patch) | |
| tree | fed51190d612511f94fbc0891133660411476257 /src/mainboard | |
| parent | ef43711aadcaf61ed1234035afc2e0282bb94e97 (diff) | |
| download | coreboot-4f176913c102599c59c98c0729cc198ad19adda4.tar.xz | |
mainboard/puff: Tune ALC5682I rise_fall times on i2c
Tunes the headphone amp i2c with measured signal shape.
BUG=b:147192377
BRANCH=none
TEST=builds and measured i2c frequency below 400khz
Change-Id: I60f73bcf60ed140f595c953be371b982a63f7b95
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38459
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/hatch/variants/puff/overridetree.cb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mainboard/google/hatch/variants/puff/overridetree.cb b/src/mainboard/google/hatch/variants/puff/overridetree.cb index bf9120adbc..3507e6d5eb 100644 --- a/src/mainboard/google/hatch/variants/puff/overridetree.cb +++ b/src/mainboard/google/hatch/variants/puff/overridetree.cb @@ -161,8 +161,8 @@ chip soc/intel/cannonlake }, .i2c[4] = { .speed = I2C_SPEED_FAST, - .rise_time_ns = 0, - .fall_time_ns = 0, + .rise_time_ns = 60, + .fall_time_ns = 60, }, }" |