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staging: typec: tcpm: Check for port type for Try.SRC/Try.SNK

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Enable Try.SRC or Try.SNK only when port_type is
DRP. Try.SRC or Try.SNK state machines are not
valid for SRC only or SNK only ports.

Signed-off-by: Badhri Jagan Sridharan <Badhri@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Badhri Jagan Sridharan 2017-08-28 10:23:13 -07:00 committed by Greg Kroah-Hartman
parent 9b0ae69909
commit ff6c8cb172
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/typec/tcpm.c
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@ -328,10 +328,12 @@ struct pd_rx_event {
(tcpm_cc_is_audio((port)->cc2) && tcpm_cc_is_open((port)->cc1)))
#define tcpm_try_snk(port) \
((port)->try_snk_count == 0 && (port)->try_role == TYPEC_SINK)
((port)->try_snk_count == 0 && (port)->try_role == TYPEC_SINK && \
(port)->port_type == TYPEC_PORT_DRP)
#define tcpm_try_src(port) \
((port)->try_src_count == 0 && (port)->try_role == TYPEC_SOURCE)
((port)->try_src_count == 0 && (port)->try_role == TYPEC_SOURCE && \
(port)->port_type == TYPEC_PORT_DRP)
static enum tcpm_state tcpm_default_state(struct tcpm_port *port)
{