[RFC v4 3/7] extcon: Add raw VBUS and ID cable states

From: Krzysztof Kozlowski
Date: Wed Jun 08 2016 - 09:50:01 EST


The USB controller driver might want to receive the changes for VBUS and
ID pins so it could properly handle USB OTG. Add new cable states for
that purpose.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>

---

Previous discussion:
http://lkml.kernel.org/g/<1427980385-21285-3-git-send-email-r.baldyga@xxxxxxxxxxx>
---
drivers/extcon/extcon.c | 3 +++
include/linux/extcon.h | 8 +++++++-
2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index 21a123cadf78..aa02d94e8a78 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -74,6 +74,9 @@ static const char *extcon_name[] = {
[EXTCON_JIG] = "JIG",
[EXTCON_MECHANICAL] = "MECHANICAL",

+ [EXTCON_USB_ID] = "USB-ID",
+ [EXTCON_USB_VBUS] = "USB-VBUS",
+
NULL,
};

diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 7abf674c388c..126ae41b84fd 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -66,7 +66,13 @@
#define EXTCON_JIG 61
#define EXTCON_MECHANICAL 62

-#define EXTCON_NUM 63
+/* Raw status, useful for USB controllers */
+#define EXTCON_USB_ID 63
+#define EXTCON_USB_VBUS 64
+
+#define EXTCON_NUM 65
+
+

struct extcon_cable;

--
1.9.1