Re: [PATCH 1/8] usb: typec: Handle retimers in typec_set_mode()

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On 16/04/2024 04:20, Dmitry Baryshkov wrote:
Make typec_set_mode() also handle retimers in addition to muxes. Setting
the USB mode requires retimers to be configured in addition to just
switching the mux configuration.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
  drivers/usb/typec/class.c | 9 ++++++++-
  1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 9610e647a8d4..28d395535bd1 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -2095,14 +2095,21 @@ EXPORT_SYMBOL_GPL(typec_get_orientation);
   * @mode: Accessory Mode, USB Operation or Safe State
   *
   * Configure @port for Accessory Mode @mode. This function will configure the
- * muxes needed for @mode.
+ * muxes and retimeres needed for @mode.
   */
  int typec_set_mode(struct typec_port *port, int mode)
  {
+	struct typec_retimer_state retimer_state = { };
  	struct typec_mux_state state = { };
+	int ret;
+ retimer_state.mode = mode;
  	state.mode = mode;
+ ret = typec_retimer_set(port->retimer, &retimer_state);
+	if (ret)
+		return ret;
+
  	return typec_mux_set(port->mux, &state);
  }
  EXPORT_SYMBOL_GPL(typec_set_mode);


Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>




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