From: Stuart Henderson <stuarth@opensource.wolfsonmicro.com>
Date: Thu, 27 Apr 2017 09:49:34 +0000 (+0100)
Subject: extcon: madera: Report accessory detect events through input key events
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c34020f4131a80e09752ac247f18b75cb38a4321;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

extcon: madera: Report accessory detect events through input key events

Change-Id: I1120594bc9f36efba6111c033eb9c1201ed8ea5b
Signed-off-by: Stuart Henderson <stuarth@opensource.wolfsonmicro.com>
---

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index f70fffbb3d70..c77a9c2e23aa 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -66,6 +66,15 @@ config EXTCON_MADERA
 	  Say Y here to enable support for external accessory detection
 	  on Cirrus Logic Madera class codecs.
 
+config EXTCON_MADERA_INPUT_EVENT
+	bool "Report events through input key events"
+	depends on EXTCON_MADERA
+	default n
+	help
+	  Say Y here to enable support for reporting external accessory
+	  detection events through input key events on Cirrus Logic Madera
+	  class codecs.
+
 config EXTCON_MAX14577
 	tristate "Maxim MAX14577/77836 EXTCON Support"
 	depends on MFD_MAX14577
diff --git a/drivers/extcon/extcon-madera.c b/drivers/extcon/extcon-madera.c
index a0a565b3dc93..eb933c9f7a65 100644
--- a/drivers/extcon/extcon-madera.c
+++ b/drivers/extcon/extcon-madera.c
@@ -519,14 +519,33 @@ inline void madera_extcon_report(struct madera_extcon *info,
 	int ret;
 
 	dev_dbg(info->dev, "Extcon report: %d is %s\n",
-		which,
-		attached ? "attached" : "removed");
+		which, attached ? "attached" : "removed");
 
 	ret = extcon_set_state_sync(info->edev, which, attached);
 	if (ret != 0)
-		dev_warn(info->dev,
-			 "Failed to report cable state: %d\n",
-			 ret);
+		dev_warn(info->dev, "Failed to report cable state: %d\n", ret);
+
+	if (IS_ENABLED(CONFIG_EXTCON_MADERA_INPUT_EVENT)) {
+		switch (which) {
+		case EXTCON_MECHANICAL:
+			input_report_switch(info->input,
+					    SW_JACK_PHYSICAL_INSERT,
+					    attached);
+			break;
+		case EXTCON_JACK_HEADPHONE:
+			input_report_switch(info->input,
+					    SW_HEADPHONE_INSERT,
+					    attached);
+			break;
+		case EXTCON_JACK_MICROPHONE:
+			input_report_switch(info->input,
+					    SW_MICROPHONE_INSERT,
+					    attached);
+			break;
+		}
+
+		input_sync(info->input);
+	}
 }
 EXPORT_SYMBOL_GPL(madera_extcon_report);
 
@@ -3122,6 +3141,18 @@ static int madera_extcon_probe(struct platform_device *pdev)
 
 	pm_runtime_put(&pdev->dev);
 
+	if (IS_ENABLED(CONFIG_EXTCON_MADERA_INPUT_EVENT)) {
+		input_set_capability(info->input,
+				     EV_SW,
+				     SW_MICROPHONE_INSERT);
+		input_set_capability(info->input,
+				     EV_SW,
+				     SW_HEADPHONE_INSERT);
+		input_set_capability(info->input,
+				     EV_SW,
+				     SW_JACK_PHYSICAL_INSERT);
+	}
+
 	ret = input_register_device(info->input);
 	if (ret) {
 		dev_err(&pdev->dev, "Can't register input device: %d\n", ret);