extcon: Add new EXTCON_DISP_HMD for Head-mounted Display device

This patch adds the new EXTCON_DISP_HMD id for Head-mounted Display[1] device.
The HMD device is usually for USB connector type So, the HMD connector
has the two extcon types of both EXTCON_TYPE_DISP and EXTCON_TYPE_USB.

[1] https://en.wikipedia.org/wiki/Head-mounted_display

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index a0a1eea..10ba876 100644 (file)
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -162,6 +162,11 @@ struct __extcon_info {
                .id = EXTCON_DISP_DP,
                .name = "DP",
        },
+       [EXTCON_DISP_HMD] = {
+               .type = EXTCON_TYPE_DISP | EXTCON_TYPE_USB,
+               .id = EXTCON_DISP_HMD,
+               .name = "HMD",
+       },
 
        /* Miscellaneous external connector */
        [EXTCON_DOCK] = {

diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index ad7a160..e79b644 100644 (file)
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -70,6 +70,7 @@
 #define EXTCON_DISP_DVI                42      /* Digital Visual Interface */
 #define EXTCON_DISP_VGA                43      /* Video Graphics Array */
 #define EXTCON_DISP_DP         44      /* Display Port */
+#define EXTCON_DISP_HMD                45      /* Head-Mounted Display */
 
 /* Miscellaneous external connector */
 #define EXTCON_DOCK            60