diff options
| author | Aravind Venkateswaran <aravindh@codeaurora.org> | 2016-12-08 15:19:23 -0800 |
|---|---|---|
| committer | Aravind Venkateswaran <aravindh@codeaurora.org> | 2016-12-08 15:47:13 -0800 |
| commit | 1bd7966d14bf125a8d53dd53229ed2c8dda174e5 (patch) | |
| tree | c4a9b38413370a862922af00049d47a449784912 /include/linux | |
| parent | 368fecd7df5b203a5ce684a0c77726a5690c1147 (diff) | |
msm: mdss: fix handling of audio for DVI sinks
Certain sinks (such as DVI monitors) do not support audio
which can be identified using the sink's EDID. For such sinks,
ensure that audio is not routed over the external display.
Change-Id: I1c1a634bf096392094b5fd868a87385764657e6b
CRs-Fixed: 1093442
Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/msm_ext_display.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/msm_ext_display.h b/include/linux/msm_ext_display.h index 59ba776b5f9b..b3a7e4ad722a 100644 --- a/include/linux/msm_ext_display.h +++ b/include/linux/msm_ext_display.h @@ -22,6 +22,15 @@ #define AUDIO_ACK_CONNECT BIT(0) /** + * Flags to be used with the HPD operation of the external display + * interface: + * MSM_EXT_DISP_HPD_NO_AUDIO: audio will not be routed to external display + * MSM_EXT_DISP_HPD_NO_VIDEO: video will not be routed to external display + */ +#define MSM_EXT_DISP_HPD_NO_AUDIO BIT(0) +#define MSM_EXT_DISP_HPD_NO_VIDEO BIT(1) + +/** * struct ext_disp_cable_notify - cable notify handler structure * @link: a link for the linked list * @status: current status of HDMI/DP cable connection @@ -87,7 +96,8 @@ enum msm_ext_disp_power_state { struct msm_ext_disp_intf_ops { int (*hpd)(struct platform_device *pdev, enum msm_ext_disp_type type, - enum msm_ext_disp_cable_state state); + enum msm_ext_disp_cable_state state, + u32 flags); int (*notify)(struct platform_device *pdev, enum msm_ext_disp_cable_state state); int (*ack)(struct platform_device *pdev, |