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a=openpgp-sha256; l=1767; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=gcoujHHWT0tH34VUiSmqNPPpiXV+hYxjsfgjgght78I=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBkgDotqlKqtbACOW+S1lPuWrn5q9cLM+OJluGtXozw ct9ZtHeJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZIA6LQAKCRB33NvayMhJ0eivD/ 94fU8O8NILIct6qWLn5P5817afdb7h7CWrM71JMZ2UnlCI2KPR7HYrrJKsOr1i4ly4vk5BhASJX/gG bbzgmujMYOBp9Pi9tG8tt5AB5Cxbcwgc6CmeidzM0hR58zxn99Wf7Uda2ir11giLkNmDVX8ErcHptT MU4Dim33+ZlpP1AiEgeZtVagsrFiwHPe5Nvr7W3NddVs8QG1Nvj0aTjrv2hhZcrwBu/JZd78lfRqgX EloPfIKBwsd/Gm7XDKOAxFEkM8scIzTBl7KYihYLYUQicK3jzI0RKl5w75SjuEoFQnNKmhhFCn9s78 tmFRYFR1pGruo4lU8cInJRZSrWl7rSNIDOM8Qgu8ojjCBx8aMn+aJ/zQCtCA1ab33fu/VjZ51QJYMm IFV8jbzjlYOpqrnQS3fK7YsEKC7EPZukanWxyRo+/3ZClzp0mvPcR0pRTph72QFAm4/xk/lfjLtOrb hCvTp2HJS4GDXg3+g7zHwd+AUCRvhilaLpb8F3D9HkOyx1ETU+ome4LThHjtBdjFFg4TlucjJz+s1e M2z1NSMI2HFC6tQxGoUW71mwYBB2ubCTFCCBrItD2zKdW6AvfaCVK04787NmJIio9hnkcH/0o4CqeS t8rSX09YEm4IOFHHoAJ3CETt1ifKosDjM3EgChDnIbYEOl9AyEeuNJmu9Mcw== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768031097733614566?= X-GMAIL-MSGID: =?utf-8?q?1768031097733614566?= 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 --- drivers/soc/qcom/pmic_glink_altmode.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/soc/qcom/pmic_glink_altmode.c b/drivers/soc/qcom/pmic_glink_altmode.c index df48fbea4b68..007d308e2f15 100644 --- a/drivers/soc/qcom/pmic_glink_altmode.c +++ b/drivers/soc/qcom/pmic_glink_altmode.c @@ -173,6 +173,20 @@ 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); @@ -180,7 +194,9 @@ 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