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sec_mmi: make dynamic refresh rate optional

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Among the current products only Racer_turbo and Racer support dynamic
refresh rate capability. This feature needs to become optional
in LSI driver.

Change-Id: I669fef68fbd65f9227ceae4d3adb80091b60394a
Signed-off-by: Konstantin Makariev <hcv867@motorola.com>
Reviewed-on: https://gerrit.mot.com/1465946
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Ryan Lattrel <ryanl@motorola.com>
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Konstantin Makariev 2019-12-04 11:50:19 -06:00 • committed by Konstantin Makariev
commit e581210daa
2 changed files with 14 additions and 3 deletions
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4
drivers/input/touchscreen/sec_mmi/Kbuild
View file

@ -5,7 +5,9 @@ EXTRA_CFLAGS += \
-I$(TOP)/motorola/kernel/modules/drivers/input/touchscreen/sec_mmi
ifneq (,$(filter racer% burton%,$(TARGET_PRODUCT)))
EXTRA_CFLAGS += -DUSE_STUBS
# NOTE: USE_STUBS option will go away when touchscreen_mmi class introduced, but
# CONFIG_DRM_DYNAMIC_REFRESH_RATE is staying!!!
EXTRA_CFLAGS += -DUSE_STUBS -DCONFIG_DRM_DYNAMIC_REFRESH_RATE
endif
obj-m := sec_mmi.o

13
drivers/input/touchscreen/sec_mmi/sec_ts_mmi.c
View file

@ -33,7 +33,16 @@
#include "sec_ts.h"
#include "sec_mmi.h"
#ifdef CONFIG_DRM_DYNAMIC_REFRESH_RATE
extern struct blocking_notifier_head dsi_freq_head;
#define register_dynamic_refresh_rate_notifier(...) \
blocking_notifier_chain_register(&dsi_freq_head, &data->freq_nb)
#define unregister_dynamic_refresh_rate_notifier(...) \
blocking_notifier_chain_unregister(&dsi_freq_head, &data->freq_nb)
#else
#define register_dynamic_refresh_rate_notifier(...) rc
#define unregister_dynamic_refresh_rate_notifier(...) rc
#endif
#if defined(USE_STUBS)
static struct class *local_touchscreen_class;
@ -817,7 +826,7 @@ static int sec_mmi_register_notifiers(
if (data->update_refresh_rate) {
data->freq_nb.notifier_call = sec_mmi_refresh_rate;
rc = blocking_notifier_chain_register(
rc = register_dynamic_refresh_rate_notifier(
&dsi_freq_head, &data->freq_nb);
}
} else {
@ -826,7 +835,7 @@ static int sec_mmi_register_notifiers(
power_supply_unreg_notifier(&data->ps_notif);
if (data->update_refresh_rate) {
rc = blocking_notifier_chain_unregister(
rc = unregister_dynamic_refresh_rate_notifier(
&dsi_freq_head, &data->freq_nb);
}
}