Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Neil 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: Bjorn Andersson <andersson@kernel.org>
authored by
Neil Armstrong
and committed by
Bjorn Andersson
1beecfe6
668e08c2
+17
-1
+17
-1
drivers/soc/qcom/pmic_glink_altmode.c
+17
-1
drivers/soc/qcom/pmic_glink_altmode.c
···
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dev_err(altmode->dev, "failed to switch mux to USB\n");
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}
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static void pmic_glink_altmode_safe(struct pmic_glink_altmode *altmode,
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struct pmic_glink_altmode_port *port)
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{
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int ret;
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port->state.alt = NULL;
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port->state.data = NULL;
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port->state.mode = TYPEC_STATE_SAFE;
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ret = typec_mux_set(port->typec_mux, &port->state);
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if (ret)
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dev_err(altmode->dev, "failed to switch mux to safe mode\n");
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}
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static void pmic_glink_altmode_worker(struct work_struct *work)
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{
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struct pmic_glink_altmode_port *alt_port = work_to_altmode_port(work);
···
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typec_switch_set(alt_port->typec_switch, alt_port->orientation);
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-
if (alt_port->svid == USB_TYPEC_DP_SID)
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if (alt_port->svid == USB_TYPEC_DP_SID && alt_port->mode == 0xff)
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pmic_glink_altmode_safe(altmode, alt_port);
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else if (alt_port->svid == USB_TYPEC_DP_SID)
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pmic_glink_altmode_enable_dp(altmode, alt_port, alt_port->mode,
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alt_port->hpd_state, alt_port->hpd_irq);
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else