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Re-Enable DRM Event Notification

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Kernle 4.9 doesnt support Panel Notification
Current Touch driver removed DRM Event Notification
Re Enable the support to support legacy upgrade product

Change-Id: Icd74b3554c3075fe44bcdb1ed9244eecc99e3fb6
Signed-off-by: VijayKumar Gn <vijaygn@motorola.com>
Signed-off-by: Ashwin Pathmudi <jfxr63@motorola.com>
Reviewed-on: https://gerrit.mot.com/1523810
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
VijayKumar Gn 2020-03-29 00:01:52 +05:30 • committed by Ashwin Kumar Pathmudi
commit bcf903f738
2 changed files with 61 additions and 0 deletions
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1
drivers/input/touchscreen/sec_mmi/sec_mmi.h
View file

@ -11,6 +11,7 @@
#include <linux/panel_notifier.h>
#endif
#if defined(CONFIG_DRM)
#include <linux/msm_drm_notify.h>
extern bool dsi_display_is_panel_enable(int id, int *probe_status, char **pname);
#endif

60
drivers/input/touchscreen/sec_mmi/sec_ts_mmi.c
View file

@ -47,6 +47,9 @@ extern struct blocking_notifier_head dsi_freq_head;
#if defined(CONFIG_PANEL_NOTIFICATIONS)
#define register_panel_notifier panel_register_notifier
#define unregister_panel_notifier panel_unregister_notifier
#elif defined(CONFIG_DRM)
#define register_panel_notifier msm_drm_register_client
#define unregister_panel_notifier msm_drm_unregister_client
#else
#define register_panel_notifier(...) rc
#define unregister_panel_notifier(...) rc
@ -749,6 +752,30 @@ static int sec_mmi_panel_cb(struct notifier_block *nb,
struct sec_mmi_data *data =
container_of(nb, struct sec_mmi_data, panel_nb);
struct sec_ts_data *ts = data->ts_ptr;
int idx = -1;
#if defined(CONFIG_PANEL_NOTIFICATIONS)
if (evd)
idx = *(int *)evd;
#elif defined (CONFIG_DRM)
struct msm_drm_notifier *evdata = evd;
int *blank;
if (!(evdata && evdata->data && data)) {
dev_dbg(DEV_MMI, "%s: Invalid evdata \n",
__func__);
return 0;
}
idx = evdata->id;
blank = (int *)evdata->data;
dev_dbg(DEV_MMI, "%s: drm notification: event = %lu blank = %d\n",
__func__, event, *blank);
#endif
if ((idx != data->ctrl_dsi)) {
dev_dbg(DEV_MMI, "%s: ctrl_dsi notification: id(%d) != ctrl_dsi(%d)\n",
__func__, idx, data->ctrl_dsi);
return 0;
}
/* entering suspend upon early blank event */
/* to ensure shared power supply is still on */
@ -787,6 +814,39 @@ static int sec_mmi_panel_cb(struct notifier_block *nb,
sec_ts_pinctrl_configure(ts, true);
sec_mmi_display_on(data);
break;
#elif defined(CONFIG_DRM)
case MSM_DRM_EARLY_EVENT_BLANK:
if (*blank == MSM_DRM_BLANK_POWERDOWN) {
/* put in reset first */
if (data->power_off_suspend)
sec_ts_pinctrl_configure(ts, false);
sec_mmi_display_off(data);
} else if (data->power_off_suspend) {
/* powering on early */
sec_ts_power((void *)ts, true);
dev_dbg(DEV_MMI, "%s: touch powered on\n", __func__);
} else if (data->reset) {
dev_dbg(DEV_MMI, "%s: resetting...\n", __func__);
data->reset_func(ts->mmi_ptr, data->reset);
}
break;
case MSM_DRM_EVENT_BLANK:
if (*blank == MSM_DRM_BLANK_UNBLANK) {
/* out of reset to allow wait for boot complete */
if (data->power_off_suspend)
sec_ts_pinctrl_configure(ts, true);
sec_mmi_display_on(data);
} else if (data->power_off_suspend) {
/* then proceed with de-powering */
sec_ts_power((void *)ts, false);
dev_dbg(DEV_MMI, "%s: touch powered off\n", __func__);
}
break;
#endif
default: /* use DEV_TS here to avoid unused variable */
dev_dbg(DEV_TS, "%s: function not implemented\n", __func__);