On Sat, Aug 26, 2017 at 10:24:12PM -0700, Badhri Jagan Sridharan wrote:
> 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 <bad...@google.com>
Reviewed-by: Guenter Roeck <li...@roeck-us.net>
> ---
> drivers/staging/typec/tcpm.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c
> index 6c045ac9c42a..1219e3bc13ef 100644
> --- a/drivers/staging/typec/tcpm.c
> +++ b/drivers/staging/typec/tcpm.c
> @@ -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)
> {
> --
> 2.14.1.342.g6490525c54-goog
>
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