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: Support screen callback thru panel notification

Browse source 
focal fingerprint module:
Support screen callback thru panel notification for qcom sm2020
platform.



Change-Id: Ic5fe044351468da2ff528da009d18d4dcacd4e8a
Signed-off-by: Yan Zhang <zhangy26@motorola.com>
Reviewed-on: https://gerrit.mot.com/2169268
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Weilong Wu <wuwl10@motorola.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Yan Zhang 2022-01-13 15:08:20 +08:00
commit a67332ded1
3 changed files with 51 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/input/misc/focal_fps_mmi/Android.mk
View file

@ -11,6 +11,10 @@ ifeq ($(FOCAL_SUPPORT_DRM_SCREEN),true)
KBUILD_OPTIONS += CONFIG_FOCAL_SUPPORT_DRM_SCREEN=y
endif
ifeq ($(FOCAL_FPS_PANEL_NOTIFICATIONS),true)
KERNEL_CFLAGS += CONFIG_FOCAL_PANEL_NOTIFICATIONS=y
endif
include $(CLEAR_VARS)
LOCAL_MODULE := focal_fps_mmi.ko
LOCAL_MODULE_TAGS := optional

4
drivers/input/misc/focal_fps_mmi/Kbuild
View file

@ -40,6 +40,10 @@ ifneq ($(filter m y,$(CONFIG_FOCAL_SUPPORT_DRM_SCREEN)),)
EXTRA_CFLAGS += -DCONFIG_DRM_PANEL_NOTIFICATIONS
endif
ifneq ($(filter m y, $(CONFIG_FOCAL_PANEL_NOTIFICATIONS)),)
EXTRA_CFLAGS += -DCONFIG_PANEL_NOTIFICATIONS
endif
obj-m += focal_fps_mmi.o

48
drivers/input/misc/focal_fps_mmi/ff_ctl.c
View file

@ -35,9 +35,13 @@
#include <linux/of_gpio.h>
#if defined(CONFIG_DRM_PANEL_NOTIFICATIONS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0))
#include <drm/drm_panel.h>
#else /* CONFIG_DRM_PANEL_NOTIFICATIONS */
#if defined(CONFIG_PANEL_NOTIFICATIONS)
#include <linux/panel_notifier.h>
#else
#include <linux/fb.h>
#endif
#endif
#include <linux/notifier.h>
#if 0
#ifdef CONFIG_PM_WAKELOCKS
@ -348,8 +352,8 @@ static int ff_ctl_fb_notifier_callback(struct notifier_block *nb, unsigned long
screen_state[0] = 0;
break;
case DRM_PANEL_BLANK_POWERDOWN:
uevent_env[0] = "FF_SCREEN_OFF";
screen_state[0] = 1;
uevent_env[0] = "FF_SCREEN_OFF";
screen_state[0] = 1;
break;
default:
uevent_env[0] = "FF_SCREEN_??";
@ -358,6 +362,31 @@ static int ff_ctl_fb_notifier_callback(struct notifier_block *nb, unsigned long
uevent_env[1] = NULL;
kill_fasync(&g_context->async_queue, SIGIO, POLL_IN);
FF_LOGD("chenlj2 leave.%s",uevent_env[0]);
#else /* CONFIG_DRM_PANEL_NOTIFICATIONS */
#if defined(CONFIG_PANEL_NOTIFICATIONS)
char *uevent_env[2];
FF_LOGD(" received a panel notification %d \n", (int)action);
switch(action) {
case PANEL_EVENT_DISPLAY_ON:
uevent_env[0] = "FF_SCREEN_ON";
screen_state[0] = 0;
break;
case PANEL_EVENT_DISPLAY_OFF:
uevent_env[0] = "FF_SCREEN_OFF";
screen_state[0] = 1;
break;
case PANEL_EVENT_PRE_DISPLAY_OFF:
break;
case PANEL_EVENT_PRE_DISPLAY_ON:
break;
default:
break;
}
if(action == PANEL_EVENT_DISPLAY_ON || action== PANEL_EVENT_DISPLAY_OFF) {
uevent_env[1] = NULL;
kobject_uevent_env(&g_context->miscdev.this_device->kobj, KOBJ_CHANGE, uevent_env);
FF_LOGD("'%s' leave %s.", __func__,uevent_env[0] );
}
#else
struct fb_event *event;
int blank;
@ -391,6 +420,7 @@ static int ff_ctl_fb_notifier_callback(struct notifier_block *nb, unsigned long
kill_fasync(&g_context->async_queue, SIGIO, POLL_IN);
FF_LOGV("'%s' leave.", __func__);
#endif
#endif
return NOTIFY_OK;
}
@ -445,8 +475,12 @@ static int ff_ctl_free_driver(void)
drm_panel_notifier_unregister(g_context->active_panel, &g_context->fb_notifier);
g_context->active_panel = NULL;
}
#else /* CONFIG_DRM_PANEL_NOTIFICATIONS */
#if defined(CONFIG_PANEL_NOTIFICATIONS)
err = panel_unregister_notifier(&g_context->fb_notifier);
#else
err = fb_unregister_client(&g_context->fb_notifier);
err = fb_unregister_client(&g_context->fb_notifier);
#endif
#endif
#ifdef FF_SPI_SET
@ -573,11 +607,15 @@ static int ff_ctl_init_driver(void)
if (err)
FF_LOGV("drm_panel_notifier_register fail: %d ", err);
}
#else /* CONFIG_DRM_PANEL_NOTIFICATIONS */
#if defined(CONFIG_PANEL_NOTIFICATIONS)
err = panel_register_notifier(&g_context->fb_notifier);
if (err)
FF_LOGE(" %s : panel_register_notifier fail: %d ", __func__, err);
#else
err = fb_register_client(&g_context->fb_notifier);
#endif
#endif
g_context->b_driver_inited = true;
FF_LOGV("'%s' leave.", __func__);
return err;