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| author | Keith Short <keithshort@chromium.org> | 2021-09-15 15:07:24 -0600 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-09-15 23:39:30 +0000 |
| commit | cef83663e1d7cc296e6e3bfddab410c70c303e54 (patch) | |
| tree | ebceaa85249697ea44e11b5d8c6e728bfa8843d0 /common/i2c_controller.c | |
| parent | 11890e041ef578923a1ba5e711fe480514510047 (diff) | |
| download | chrome-ec-cef83663e1d7cc296e6e3bfddab410c70c303e54.tar.gz | |
zephyr: add support for I2C debugging
Add support for CONFIG_I2C_DEBUG and CONFIG_I2C_DEBUG_PASSTHRU options
to zephyr.
BUG=none
BRANCH=none
TEST=zmake testall
TEST=Add CONFIG_PLATFORM_EC_I2C_DEBUG=y on herobrine, verify "i2ctrace"
command is available and functional.
TEST=Add CONFIG_PLATFORM_EC_I2C_DEBUG_PASSTHRU=y on herobrine, verify
I2C passthru messages shown during TCPC firmware sync.
Signed-off-by: Keith Short <keithshort@chromium.org>
Change-Id: Ic2d9977af4fa707dab4fdaff332fbcc34491c5fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3163211
Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Diffstat (limited to 'common/i2c_controller.c')
| -rw-r--r-- | common/i2c_controller.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/common/i2c_controller.c b/common/i2c_controller.c index 90aed056ae..dfc3417e88 100644 --- a/common/i2c_controller.c +++ b/common/i2c_controller.c @@ -258,8 +258,15 @@ int i2c_xfer_unlocked(const int port, ccprintf("Ignoring flags from i2c addr_flags: %04x", no_pec_af); - return i2c_transfer(i2c_get_device_for_port(port), msg, + ret = i2c_transfer(i2c_get_device_for_port(port), msg, num_msgs, I2C_STRIP_FLAGS(no_pec_af)); + + if (IS_ENABLED(CONFIG_I2C_DEBUG)) { + i2c_trace_notify(port, addr_flags, out, out_size, + in, in_size); + } + + return ret; #elif defined(CONFIG_I2C_XFER_LARGE_TRANSFER) ret = i2c_xfer_no_retry(port, no_pec_af, out, out_size, in, |