| Message ID | 20200615161512.19150-3-amelie.delaunay@st.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add STUSB160x Type-C port controller support | expand |
On Mon, Jun 15, 2020 at 06:15:08PM +0200, Amelie Delaunay wrote: > This patch adds a function that converts power operation mode string into > power operation mode value. > > It is useful to configure power operation mode through device tree > property, as power capabilities may be linked to hardware design. > > Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > --- > drivers/usb/typec/class.c | 15 +++++++++++++++ > include/linux/usb/typec.h | 1 + > 2 files changed, 16 insertions(+) > > diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c > index c9234748537a..59e1837ef85e 100644 > --- a/drivers/usb/typec/class.c > +++ b/drivers/usb/typec/class.c > @@ -1448,6 +1448,21 @@ void typec_set_pwr_opmode(struct typec_port *port, > } > EXPORT_SYMBOL_GPL(typec_set_pwr_opmode); > > +/** > + * typec_find_pwr_opmode - Get the typec power operation mode capability > + * @name: power operation mode string > + * > + * This routine is used to find the typec_pwr_opmode by its string @name. > + * > + * Returns typec_pwr_opmode if success, otherwise negative error code. > + */ > +int typec_find_pwr_opmode(const char *name) > +{ > + return match_string(typec_pwr_opmodes, > + ARRAY_SIZE(typec_pwr_opmodes), name); > +} > +EXPORT_SYMBOL_GPL(typec_find_pwr_opmode); > + > /** > * typec_find_orientation - Convert orientation string to enum typec_orientation > * @name: Orientation string > diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h > index 5daa1c49761c..f7c63ee3d443 100644 > --- a/include/linux/usb/typec.h > +++ b/include/linux/usb/typec.h > @@ -254,6 +254,7 @@ int typec_set_mode(struct typec_port *port, int mode); > > void *typec_get_drvdata(struct typec_port *port); > > +int typec_find_pwr_opmode(const char *name); > int typec_find_orientation(const char *name); > int typec_find_port_power_role(const char *name); > int typec_find_power_role(const char *name); > -- > 2.17.1 thanks,
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index c9234748537a..59e1837ef85e 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -1448,6 +1448,21 @@ void typec_set_pwr_opmode(struct typec_port *port, } EXPORT_SYMBOL_GPL(typec_set_pwr_opmode); +/** + * typec_find_pwr_opmode - Get the typec power operation mode capability + * @name: power operation mode string + * + * This routine is used to find the typec_pwr_opmode by its string @name. + * + * Returns typec_pwr_opmode if success, otherwise negative error code. + */ +int typec_find_pwr_opmode(const char *name) +{ + return match_string(typec_pwr_opmodes, + ARRAY_SIZE(typec_pwr_opmodes), name); +} +EXPORT_SYMBOL_GPL(typec_find_pwr_opmode); + /** * typec_find_orientation - Convert orientation string to enum typec_orientation * @name: Orientation string diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index 5daa1c49761c..f7c63ee3d443 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -254,6 +254,7 @@ int typec_set_mode(struct typec_port *port, int mode); void *typec_get_drvdata(struct typec_port *port); +int typec_find_pwr_opmode(const char *name); int typec_find_orientation(const char *name); int typec_find_port_power_role(const char *name); int typec_find_power_role(const char *name);
This patch adds a function that converts power operation mode string into power operation mode value. It is useful to configure power operation mode through device tree property, as power capabilities may be linked to hardware design. Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> --- drivers/usb/typec/class.c | 15 +++++++++++++++ include/linux/usb/typec.h | 1 + 2 files changed, 16 insertions(+)