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| author | Wai-Hong Tam <waihong@google.com> | 2020-12-11 10:24:21 -0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-08-24 22:36:34 +0000 |
| commit | e7fa354e015ce3feab447e8a9b4df0e4b3bd95eb (patch) | |
| tree | 6e8865e4e784ee62f1b4895a1d92d8ade85dfdb8 | |
| parent | 0ae4a0452a5f1e4d6234d22af09aa3ddf0861bcb (diff) | |
| download | chrome-ec-e7fa354e015ce3feab447e8a9b4df0e4b3bd95eb.tar.gz | |
Trogdor: Add debug messages to show the HPD change
Show the HPD change message to help debugging issues.
BRANCH=Trogdor
BUG=b:170598152,b:209092452
TEST=Plug and unplug a Type-C monitor and check the messages.
Change-Id: Ie1e79560a7553a825baa181524a01b3e2983f1c1
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2586042
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
(cherry picked from commit a59bb5eafeca925babaf42fd62059ebaee755790)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3852646
Commit-Queue: Stephen Boyd <swboyd@chromium.org>
Tested-by: Stephen Boyd <swboyd@chromium.org>
| -rw-r--r-- | baseboard/trogdor/usb_pd_policy.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/baseboard/trogdor/usb_pd_policy.c b/baseboard/trogdor/usb_pd_policy.c index ef5c470611..5258cd4f8c 100644 --- a/baseboard/trogdor/usb_pd_policy.c +++ b/baseboard/trogdor/usb_pd_policy.c @@ -231,9 +231,11 @@ __override int svdm_dp_attention(int port, uint32_t *payload) usleep(svdm_hpd_deadline[port] - now); /* Generate IRQ_HPD pulse */ + CPRINTS("C%d: Recv IRQ. HPD->0", port); gpio_set_level(hpd, 0); usleep(HPD_DSTREAM_DEBOUNCE_IRQ); gpio_set_level(hpd, 1); + CPRINTS("C%d: Recv IRQ. HPD->1", port); /* Set the minimum time delay (2ms) for the next HPD IRQ */ svdm_hpd_deadline[port] = get_time().val + @@ -242,6 +244,7 @@ __override int svdm_dp_attention(int port, uint32_t *payload) CPRINTF("ERR:HPD:IRQ&LOW\n"); return 0; } else { + CPRINTS("C%d: Recv lvl. HPD->%d", port, lvl); gpio_set_level(hpd, lvl); /* Set the minimum time delay (2ms) for the next HPD IRQ */ svdm_hpd_deadline[port] = get_time().val + @@ -253,6 +256,7 @@ __override int svdm_dp_attention(int port, uint32_t *payload) __override void svdm_exit_dp_mode(int port) { + CPRINTS("%s(%d)", __func__, port); if (is_dp_muxable(port)) { /* Disconnect the DP port selection mux. */ gpio_set_level(GPIO_DP_MUX_OE_L, 1); @@ -260,6 +264,7 @@ __override void svdm_exit_dp_mode(int port) /* Signal AP for the HPD low event */ usb_mux_hpd_update(port, 0, 0); + CPRINTS("C%d: DP exit. HPD->0", port); gpio_set_level(GPIO_DP_HOT_PLUG_DET, 0); } } |