Merge tag 'asoc-v6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v6.2

This is a fairly sedate release for the core code, but there's been a
lot of driver work especially around the x86 platforms and device tree
updates:

 - More cleanups of the DAPM code from Morimoto-san.
 - Factoring out of mapping hw_params onto SoundWire configuration by
   Charles Keepax.
 - The ever ongoing overhauls of the Intel DSP code continue, including
   support for loading libraries and probes with IPC4 on SOF.
 - Support for more sample formats on JZ4740.
 - Lots of device tree conversions and fixups.
 - Support for Allwinner D1, a range of AMD and Intel systems, Mediatek
   systems with multiple DMICs, Nuvoton NAU8318, NXP fsl_rpmsg and
   i.MX93, Qualcomm AudioReach Enable, MFC and SAL, RealTek RT1318 and
   Rockchip RK3588

There's more cross tree updates than usual, though all fairly minor:

 - Some OMAP board file updates that were depedencies for removing their
   providers in ASoC, as part of a wider effort removing the support for
   the relevant OMAP platforms.
 - A new I2C API required for updates to the new I2C probe API.
 - A DRM update making use of a new API for fixing the capabilities
   advertised via hdmi-codec.

Since this is being sent early I might send some more stuff if you've
not yet sent your pull request and there's more come in.

1 files changed, 58 insertions, 1 deletions

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index ea51624461b5..1f348bc867c2 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -23,6 +23,7 @@
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/of.h>
+#include <linux/of_graph.h>
 #include <linux/acpi.h>
 #include <linux/pinctrl/consumer.h>
 #include <linux/reset.h>
@@ -85,7 +86,7 @@ static int dwc3_get_dr_mode(struct dwc3 *dwc)
 		 * mode. If the controller supports DRD but the dr_mode is not
 		 * specified or set to OTG, then set the mode to peripheral.
 		 */
-		if (mode == USB_DR_MODE_OTG &&
+		if (mode == USB_DR_MODE_OTG && !dwc->edev &&
 		    (!IS_ENABLED(CONFIG_USB_ROLE_SWITCH) ||
 		     !device_property_read_bool(dwc->dev, "usb-role-switch")) &&
 		    !DWC3_VER_IS_PRIOR(DWC3, 330A))
@@ -1690,6 +1691,56 @@ static void dwc3_check_params(struct dwc3 *dwc)
 	}
 }
 
+static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
+{
+	struct device *dev = dwc->dev;
+	struct device_node *np_phy;
+	struct extcon_dev *edev = NULL;
+	const char *name;
+
+	if (device_property_read_bool(dev, "extcon"))
+		return extcon_get_edev_by_phandle(dev, 0);
+
+	/*
+	 * Device tree platforms should get extcon via phandle.
+	 * On ACPI platforms, we get the name from a device property.
+	 * This device property is for kernel internal use only and
+	 * is expected to be set by the glue code.
+	 */
+	if (device_property_read_string(dev, "linux,extcon-name", &name) == 0)
+		return extcon_get_extcon_dev(name);
+
+	/*
+	 * Check explicitly if "usb-role-switch" is used since
+	 * extcon_find_edev_by_node() can not be used to check the absence of
+	 * an extcon device. In the absence of an device it will always return
+	 * EPROBE_DEFER.
+	 */
+	if (IS_ENABLED(CONFIG_USB_ROLE_SWITCH) &&
+	    device_property_read_bool(dev, "usb-role-switch"))
+		return NULL;
+
+	/*
+	 * Try to get an extcon device from the USB PHY controller's "port"
+	 * node. Check if it has the "port" node first, to avoid printing the
+	 * error message from underlying code, as it's a valid case: extcon
+	 * device (and "port" node) may be missing in case of "usb-role-switch"
+	 * or OTG mode.
+	 */
+	np_phy = of_parse_phandle(dev->of_node, "phys", 0);
+	if (of_graph_is_present(np_phy)) {
+		struct device_node *np_conn;
+
+		np_conn = of_graph_get_remote_node(np_phy, -1, -1);
+		if (np_conn)
+			edev = extcon_find_edev_by_node(np_conn);
+		of_node_put(np_conn);
+	}
+	of_node_put(np_phy);
+
+	return edev;
+}
+
 static int dwc3_probe(struct platform_device *pdev)
 {
 	struct device		*dev = &pdev->dev;
@@ -1840,6 +1891,12 @@ static int dwc3_probe(struct platform_device *pdev)
 		goto err2;
 	}
 
+	dwc->edev = dwc3_get_extcon(dwc);
+	if (IS_ERR(dwc->edev)) {
+		ret = dev_err_probe(dwc->dev, PTR_ERR(dwc->edev), "failed to get extcon\n");
+		goto err3;
+	}
+
 	ret = dwc3_get_dr_mode(dwc);
 	if (ret)
 		goto err3;