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extcon: Add support for EXTCON_DISP_HDMI_AUDIO event

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This patch introduce HDMI-AUDIO extcon event to allow user
to handle hdmi audio rather than share HDMI event with
Display. such as HDR situation which don't send HDMI event
but require to re-init bitstream audio.

Change-Id: Ifb4430c19e9b19b1066b4c014becb1bec3f99441
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
This commit is contained in:
Sugar Zhang
2023-01-04 17:21:54 +08:00
committed by Tao Huang
parent 171f4d6320
commit 86df7d58ac
2 changed files with 6 additions and 0 deletions
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5
drivers/extcon/extcon.c
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@ -158,6 +158,11 @@ static const struct __extcon_info {
.id = EXTCON_DISP_HDMI,
.name = "HDMI",
},
[EXTCON_DISP_HDMI_AUDIO] = {
.type = EXTCON_TYPE_DISP,
.id = EXTCON_DISP_HDMI_AUDIO,
.name = "HDMI-AUDIO",
},
[EXTCON_DISP_MHL] = {
.type = EXTCON_TYPE_DISP,
.id = EXTCON_DISP_MHL,

1
include/linux/extcon.h
View File

@ -85,6 +85,7 @@
#define EXTCON_DISP_VGA 43 /* Video Graphics Array */
#define EXTCON_DISP_DP 44 /* Display Port */
#define EXTCON_DISP_HMD 45 /* Head-Mounted Display */
#define EXTCON_DISP_HDMI_AUDIO 46 /* High-Definition Multimedia Interface Audio */
/* Miscellaneous external connector */
#define EXTCON_DOCK 60