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ANDROID: usb: typec: tcpm: Add vendor hook to store partner source capabilities

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Add a hook after receiving the source capabilities from the partner
port. Pass the address of the source capability array so that vendor
code is able to access them.

OOT bug:
Bug: 181629276
Bug: 169215197
Bug: 271294543
Signed-off-by: Kyle Tso <kyletso@google.com>
Change-Id: I11c4a7919c248690e63c3bfbebfa6b8d711175a6
(cherry picked from commit af7214914ab9ead9356652eed35004482265372d)
This commit is contained in:
Kyle Tso 2021-03-30 22:48:50 +08:00 • committed by Treehugger Robot
parent 081a88febb
commit c8314fcb76
3 changed files with 8 additions and 1 deletions
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1
drivers/android/vendor_hooks.c
View file

@ -172,4 +172,5 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_audio_usb_offload_connect);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_audio_usb_offload_disconnect);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpci_override_toggling);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_get_vbus);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_store_partner_src_caps);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpm_get_timer);

3
drivers/usb/typec/tcpm/tcpm.c
View file

@ -2457,7 +2457,8 @@ static void tcpm_pd_data_request(struct tcpm_port *port,
port->nr_source_caps);
tcpm_register_source_caps(port);
trace_android_vh_typec_store_partner_src_caps(&port->nr_source_caps,
&port->source_caps);
/*
* Adjust revision in subsequent message headers, as required,
* to comply with 6.2.1.1.5 of the USB PD 3.0 spec. We don't

5
include/trace/hooks/typec.h
View file

@ -11,6 +11,7 @@
*/
struct tcpci;
struct tcpci_data;
struct tcpm_port;
#ifndef TYPEC_TIMER
#define TYPEC_TIMER
@ -41,6 +42,10 @@ DECLARE_HOOK(android_vh_typec_tcpm_get_timer,
TP_PROTO(const char *state, enum typec_timer timer, unsigned int *msecs),
TP_ARGS(state, timer, msecs));
DECLARE_HOOK(android_vh_typec_store_partner_src_caps,
TP_PROTO(unsigned int *nr_source_caps, u32 (*source_caps)[]),
TP_ARGS(nr_source_caps, source_caps));
#endif /* _TRACE_HOOK_UFSHCD_H */
/* This part must be outside protection */
#include <trace/define_trace.h>