diff mbox series

[2/2] usb: typec: tcpm: Parse Accessory Mode information

Message ID 20231120231757.2309482-3-dmitry.baryshkov@linaro.org (mailing list archive)
State Handled Elsewhere, archived
Headers show
Series usb: typec: tcpm: Handle Accessory Modes | expand

Commit Message

Dmitry Baryshkov Nov. 20, 2023, 11:11 p.m. UTC
Some of the boards supported by the TCPM drivers can support USB-C
Accessory Modes (Analog Audio, Debug). Parse information about supported
modes from the device tree.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/usb/typec/tcpm/tcpm.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Sergey Shtylyov Nov. 21, 2023, 9:24 a.m. UTC | #1
On 11/21/23 2:11 AM, Dmitry Baryshkov wrote:

> Some of the boards supported by the TCPM drivers can support USB-C
> Accessory Modes (Analog Audio, Debug). Parse information about supported
> modes from the device tree.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
>  drivers/usb/typec/tcpm/tcpm.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index 6e843c511b85..6297f803de53 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -6114,6 +6114,7 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
>  {
>  	const char *opmode_str;
>  	int ret;
> +	int mode;
>  	u32 mw, frs_current;
>  
>  	if (!fwnode)
> @@ -6132,6 +6133,12 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
>  	if (ret < 0)
>  		return ret;
>  
> +	if (fwnode_property_read_bool(fwnode, "accessory-mode-audio"))
> +		port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_AUDIO;
> +
> +	if (fwnode_property_read_bool(fwnode, "accessory-mode-debug"))
> +		port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_DEBUG;
> +

   Hm, I don't see where that mode variable is initialized?

[...]

MBR, Sergey
diff mbox series

Patch

diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 6e843c511b85..6297f803de53 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6114,6 +6114,7 @@  static int tcpm_fw_get_caps(struct tcpm_port *port,
 {
 	const char *opmode_str;
 	int ret;
+	int mode;
 	u32 mw, frs_current;
 
 	if (!fwnode)
@@ -6132,6 +6133,12 @@  static int tcpm_fw_get_caps(struct tcpm_port *port,
 	if (ret < 0)
 		return ret;
 
+	if (fwnode_property_read_bool(fwnode, "accessory-mode-audio"))
+		port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_AUDIO;
+
+	if (fwnode_property_read_bool(fwnode, "accessory-mode-debug"))
+		port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_DEBUG;
+
 	port->port_type = port->typec_caps.type;
 	port->pd_supported = !fwnode_property_read_bool(fwnode, "pd-disable");