On Wed, Apr 07, 2021 at 01:07:20PM -0700, Badhri Jagan Sridharan wrote:
> power_supply_changed needs to be called to notify clients
> after the partner accepts the requested values for the pps
> case.
>
> Also, remove the redundant power_supply_changed at the end
> of the tcpm_reset_port as power_supply_changed is already
> called right after usb_type is changed.
>
> Fixes: f2a8aa053c176 ("typec: tcpm: Represent source supply through
> power_supply")
> Signed-off-by: Badhri Jagan Sridharan <bad...@google.com>
> Reviewed-by: Adam Thomson <adam.thomson.opensou...@diasemi.com>
Reviewed-by: Heikki Krogerus <heikki.kroge...@linux.intel.com>
> ---
> Changes since V1:
> * Updated commit description to clarify Guenter Roeck's concern.
> * Added Reviewed-by tags
> ---
> drivers/usb/typec/tcpm/tcpm.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index b4a40099d7e9..d1d03ee90d8f 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -2568,6 +2568,7 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
> port->pps_data.max_curr = port->pps_data.req_max_curr;
> port->req_supply_voltage = port->pps_data.req_out_volt;
> port->req_current_limit = port->pps_data.req_op_curr;
> + power_supply_changed(port->psy);
> tcpm_set_state(port, SNK_TRANSITION_SINK, 0);
> break;
> case SOFT_RESET_SEND:
> @@ -3136,7 +3137,6 @@ static unsigned int tcpm_pd_select_pps_apdo(struct
> tcpm_port *port)
>
> port->pps_data.req_out_volt));
> port->pps_data.req_op_curr = min(port->pps_data.max_curr,
> port->pps_data.req_op_curr);
> - power_supply_changed(port->psy);
> }
>
> return src_pdo;
> @@ -3561,8 +3561,6 @@ static void tcpm_reset_port(struct tcpm_port *port)
> port->sink_cap_done = false;
> if (port->tcpc->enable_frs)
> port->tcpc->enable_frs(port->tcpc, false);
> -
> - power_supply_changed(port->psy);
> }
>
> static void tcpm_detach(struct tcpm_port *port)
> --
> 2.31.1.295.g9ea45b61b8-goog
--
heikki
