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Snappy: Fix multi-func mode for USB PD

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Without this change the Alternate mode adapter with
multi-function capablity would only be configured as
DP instead of (DP + USB).

BUG=None
BRANCH=master
TEST=make buildall

Change-Id: I44d2b0ff56a8851b8104c4305b8f5826dcbe2107
Signed-off-by: Bruce.Wan <Bruce.Wan@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/401266
Commit-Ready: Bruce Wan <Bruce.Wan@quantatw.com>
Tested-by: Bruce Wan <Bruce.Wan@quantatw.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Bruce
2016-10-24 11:00:19 +08:00
committed by chrome-bot
parent 53556b96d7
commit d73f705442
1 changed files with 7 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
board/snappy/usb_pd_policy.c
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@@ -273,13 +273,18 @@ static int svdm_dp_status(int port, uint32_t *payload)
static int svdm_dp_config(int port, uint32_t *payload)
{
int opos = pd_alt_mode(port, USB_SID_DISPLAYPORT);
int mf_pref = PD_VDO_DPSTS_MF_PREF(dp_status[port]);
int pin_mode = pd_dfp_dp_get_pin_mode(port, dp_status[port]);
usb_mux_set(port, TYPEC_MUX_DP,
if (!pin_mode)
return 0;
usb_mux_set(port, mf_pref ? TYPEC_MUX_DOCK : TYPEC_MUX_DP,
USB_SWITCH_CONNECT, pd_get_polarity(port));
payload[0] = VDO(USB_SID_DISPLAYPORT, 1,
CMD_DP_CONFIG | VDO_OPOS(opos));
payload[1] = VDO_DP_CFG(MODE_DP_PIN_E, /* pin mode */
payload[1] = VDO_DP_CFG(pin_mode, /* pin mode */
1, /* DPv1.3 signaling */
2); /* UFP connected */
return 2;