Commit 1beecfe6 authored by Neil Armstrong's avatar Neil Armstrong Committed by Bjorn Andersson
Browse files

soc: qcom: pmic_glink_altmode: handle safe mode when disconnect 



On some Qcom SoCs, the Altmode event mode is set to 0xff when
the Type-C port is disconnected.

Handle this specific mode and translate it as the SAFE mode.

Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230601-topic-sm8550-upstream-type-c-v5-1-9221cd300903@linaro.org


Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
parent 668e08c2

drivers/soc/qcom/pmic_glink_altmode.c

+17 −1
Original line number Diff line number Diff line
@@ -174,6 +174,20 @@ static void pmic_glink_altmode_enable_usb(struct pmic_glink_altmode *altmode, 
		dev_err(altmode->dev, "failed to switch mux to USB\n");

}



static void pmic_glink_altmode_safe(struct pmic_glink_altmode *altmode,

				    struct pmic_glink_altmode_port *port)

{

	int ret;



	port->state.alt = NULL;

	port->state.data = NULL;

	port->state.mode = TYPEC_STATE_SAFE;



	ret = typec_mux_set(port->typec_mux, &port->state);

	if (ret)

		dev_err(altmode->dev, "failed to switch mux to safe mode\n");

}



static void pmic_glink_altmode_worker(struct work_struct *work)

{

	struct pmic_glink_altmode_port *alt_port = work_to_altmode_port(work);
@@ -181,7 +195,9 @@ static void pmic_glink_altmode_worker(struct work_struct *work) 


	typec_switch_set(alt_port->typec_switch, alt_port->orientation);



	if (alt_port->svid == USB_TYPEC_DP_SID)

	if (alt_port->svid == USB_TYPEC_DP_SID && alt_port->mode == 0xff)

		pmic_glink_altmode_safe(altmode, alt_port);

	else if (alt_port->svid == USB_TYPEC_DP_SID)

		pmic_glink_altmode_enable_dp(altmode, alt_port, alt_port->mode,

					     alt_port->hpd_state, alt_port->hpd_irq);

	else