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authorBadhri Jagan Sridharan <badhri@google.com>2021-03-17 11:12:48 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-17 21:35:11 +0100
commit86629e098a077922438efa98dc80917604dfd317 (patch)
tree85e0b995eb5e7ce914190dc34edcb532b04c1930
parent3cac9104bea41099cf622091f0c0538bcb19050d (diff)
usb: typec: tcpm: Invoke power_supply_changed for tcpm-source-psy-
tcpm-source-psy- does not invoke power_supply_changed API when one of the published power supply properties is changed. power_supply_changed needs to be called to notify userspace clients(uevents) and kernel clients. Fixes: f2a8aa053c176 ("typec: tcpm: Represent source supply through power_supply") Reviewed-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Badhri Jagan Sridharan <badhri@google.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210317181249.1062995-1-badhri@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/typec/tcpm/tcpm.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index be0b6469dd3d..92093ea12cff 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -942,6 +942,7 @@ static int tcpm_set_current_limit(struct tcpm_port *port, u32 max_ma, u32 mv)
port->supply_voltage = mv;
port->current_limit = max_ma;
+ power_supply_changed(port->psy);
if (port->tcpc->set_current_limit)
ret = port->tcpc->set_current_limit(port->tcpc, max_ma, mv);
@@ -2928,6 +2929,7 @@ static int tcpm_pd_select_pdo(struct tcpm_port *port, int *sink_pdo,
port->pps_data.supported = false;
port->usb_type = POWER_SUPPLY_USB_TYPE_PD;
+ power_supply_changed(port->psy);
/*
* Select the source PDO providing the most power which has a
@@ -2952,6 +2954,7 @@ static int tcpm_pd_select_pdo(struct tcpm_port *port, int *sink_pdo,
port->pps_data.supported = true;
port->usb_type =
POWER_SUPPLY_USB_TYPE_PD_PPS;
+ power_supply_changed(port->psy);
}
continue;
default:
@@ -3109,6 +3112,7 @@ static unsigned int tcpm_pd_select_pps_apdo(struct tcpm_port *port)
port->pps_data.out_volt));
port->pps_data.op_curr = min(port->pps_data.max_curr,
port->pps_data.op_curr);
+ power_supply_changed(port->psy);
}
return src_pdo;
@@ -3344,6 +3348,7 @@ static int tcpm_set_charge(struct tcpm_port *port, bool charge)
return ret;
}
port->vbus_charge = charge;
+ power_supply_changed(port->psy);
return 0;
}
@@ -3523,6 +3528,7 @@ static void tcpm_reset_port(struct tcpm_port *port)
port->try_src_count = 0;
port->try_snk_count = 0;
port->usb_type = POWER_SUPPLY_USB_TYPE_C;
+ power_supply_changed(port->psy);
port->nr_sink_caps = 0;
port->sink_cap_done = false;
if (port->tcpc->enable_frs)
@@ -5905,7 +5911,7 @@ static int tcpm_psy_set_prop(struct power_supply *psy,
ret = -EINVAL;
break;
}
-
+ power_supply_changed(port->psy);
return ret;
}
@@ -6058,6 +6064,7 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
err = devm_tcpm_psy_register(port);
if (err)
goto out_role_sw_put;
+ power_supply_changed(port->psy);
port->typec_port = typec_register_port(port->dev, &port->typec_caps);
if (IS_ERR(port->typec_port)) {