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usb: typec: Bus type for alternate modes

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Introducing a simple bus for the alternate modes. Bus allows
binding drivers to the discovered alternate modes the
partners support.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus 2018-06-27 18:19:50 +03:00 • committed by Greg Kroah-Hartman
parent 4ab8c18d4d
commit 8a37d87d72
14 changed files with 1174 additions and 147 deletions
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13
scripts/mod/file2alias.c
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@ -1352,6 +1352,19 @@ static int do_tbsvc_entry(const char *filename, void *symval, char *alias)
}
ADD_TO_DEVTABLE("tbsvc", tb_service_id, do_tbsvc_entry);
/* Looks like: typec:idNmN */
static int do_typec_entry(const char *filename, void *symval, char *alias)
{
DEF_FIELD(symval, typec_device_id, svid);
DEF_FIELD(symval, typec_device_id, mode);
sprintf(alias, "typec:id%04X", svid);
ADD(alias, "m", mode != TYPEC_ANY_MODE, mode);
return 1;
}
ADD_TO_DEVTABLE("typec", typec_device_id, do_typec_entry);
/* Does namelen bytes of name exactly match the symbol? */
static bool sym_is(const char *name, unsigned namelen, const char *symbol)
{