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authorTodd Broch <tbroch@chromium.org>2014-10-28 18:04:01 -0700
committerchrome-internal-fetch <chrome-internal-fetch@google.com>2014-10-31 06:29:34 +0000
commitce9ae08b6889e7d7032ba66821e4c73dae20fb78 (patch)
treef4d37db7152bab2ba549a0805e237bdb5a97f2cf /board/dingdong/usb_pd_policy.c
parentaac88442d7bbc76ec5116fdb3019af09cc522938 (diff)
downloadchrome-ec-ce9ae08b6889e7d7032ba66821e4c73dae20fb78.tar.gz
pd: dingdong/hoho: Include product VDO in discovery identity.
Per table 6-24 of USB PD spec an alternate mode adapter (AMA) should include both product & AMA VDOs. BRANCH=samus BUG=chrome-os-partner:31192,chrome-os-partner:31193 TEST=manual, Connect hoho/dingdong to fpie/samus and see product VDO proceed the AMA VDO in DFP_U console output: Product VDO -----------------------------v |------| SVDM/5 [1] ff008041 340018d1 00000000 50100001 1100000b Note, hoho's PID == 0x5010 And dingdong (0x5011) SVDM/5 [1] ff008041 340018d1 00000000 50110001 1100000b Also see bcdDevice field in descriptor match above data. $ lsusb -v -d 18d1: | egrep -i "idproduct|bcddev" idProduct 0x5011 bcdDevice 0.01 Change-Id: I4d898816a45c68c7ff75a54fd348fc11be408ae0 Signed-off-by: Todd Broch <tbroch@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/226125 Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'board/dingdong/usb_pd_policy.c')
-rw-r--r--board/dingdong/usb_pd_policy.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/board/dingdong/usb_pd_policy.c b/board/dingdong/usb_pd_policy.c
index 5894427ca8..d531f7428b 100644
--- a/board/dingdong/usb_pd_policy.c
+++ b/board/dingdong/usb_pd_policy.c
@@ -14,6 +14,7 @@
#include "timer.h"
#include "util.h"
#include "usb.h"
+#include "usb_bb.h"
#include "usb_pd.h"
#include "version.h"
@@ -105,6 +106,8 @@ const uint32_t vdo_idh = VDO_IDH(0, /* data caps as USB host */
1, /* supports alt modes */
USB_VID_GOOGLE);
+const uint32_t vdo_product = VDO_PRODUCT(CONFIG_USB_PID, CONFIG_USB_BCD_DEV);
+
const uint32_t vdo_ama = VDO_AMA(CONFIG_USB_PD_IDENTITY_HW_VERS,
CONFIG_USB_PD_IDENTITY_SW_VERS,
0, 0, 0, 0, /* SS[TR][12] */
@@ -118,8 +121,9 @@ static int svdm_response_identity(int port, uint32_t *payload)
payload[VDO_I(IDH)] = vdo_idh;
/* TODO(tbroch): Do we plan to obtain TID (test ID) for hoho */
payload[VDO_I(CSTAT)] = VDO_CSTAT(0);
+ payload[VDO_I(PRODUCT)] = vdo_product;
payload[VDO_I(AMA)] = vdo_ama;
- return 4;
+ return VDO_I(AMA) + 1;
}
static int svdm_response_svids(int port, uint32_t *payload)
@@ -128,9 +132,9 @@ static int svdm_response_svids(int port, uint32_t *payload)
return 2;
}
-/* Will only ever be a single mode for this UFP_D device as it has no USB
- * support (2.0 or 3.0) making it only PIN_E configureable nor does it have any
- * source functionality.
+/*
+ * Will only ever be a single mode for this UFP_D device as it has no real USB
+ * support making it only PIN_E configureable
*/
#define MODE_CNT 1
#define OPOS 1