shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 02:50:49 +09:00
Code Issues Packages Projects Releases Wiki Activity

drm/rockchip: rk618: HDMI: add switch dev for audio

Browse Source 
Change-Id: If54f7f989bda0130963f307f3781db393225a1be
Signed-off-by: Shunqing Chen <csq@rock-chips.com>
This commit is contained in:
Shunqing Chen
2018-12-25 15:29:30 +08:00
committed by Tao Huang
parent d919ba5349
commit a6e9b4bc3f
1 changed files with 22 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/gpu/drm/rockchip/rk618/rk618_hdmi.c
View File

@@ -16,6 +16,9 @@
#include <linux/mutex.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
#ifdef CONFIG_SWITCH
#include <linux/switch.h>
#endif
#include <drm/drm_of.h>
#include <drm/drmP.h>
@@ -430,6 +433,9 @@ struct rk618_hdmi {
struct hdmi_data_info hdmi_data;
struct drm_display_mode previous_mode;
#ifdef CONFIG_SWITCH
struct switch_dev switchdev;
#endif
};
enum {
@@ -929,7 +935,15 @@ static enum drm_connector_status
rk618_hdmi_connector_detect(struct drm_connector *connector, bool force)
{
struct rk618_hdmi *hdmi = connector_to_hdmi(connector);
int status;
status = hdmi_readb(hdmi, HDMI_STATUS) & m_HOTPLUG;
#ifdef CONFIG_SWITCH
if (status)
switch_set_state(&hdmi->switchdev, 1);
else
switch_set_state(&hdmi->switchdev, 0);
#endif
if (hdmi->bridge)
return connector_status_connected;
@@ -1542,6 +1556,11 @@ static int rk618_hdmi_probe(struct platform_device *pdev)
return ret;
}
#ifdef CONFIG_SWITCH
hdmi->switchdev.name = "hdmi";
switch_dev_register(&hdmi->switchdev);
#endif
return 0;
}
@@ -1551,6 +1570,9 @@ static int rk618_hdmi_remove(struct platform_device *pdev)
drm_bridge_remove(&hdmi->base);
i2c_put_adapter(hdmi->ddc);
#ifdef CONFIG_SWITCH
switch_dev_unregister(&hdmi->switchdev);
#endif
return 0;
}