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nova_mmi: skip IC reset for NT36672A

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NT36672A TP core is reset with LCD.
Do not need reset again.
Skip reset to shorten resume time.

Change-Id: Id30776988fb9f0fa339110b4c36aef50e8f43130
Signed-off-by: haojl2 <haojl2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1244309
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Master Yoda
Reviewed-by: Jun Weng <wengjun1@motorola.com>
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
haojl2 2018-09-19 17:51:16 +08:00 • committed by Jialei Hao
commit 5f1f249798
2 changed files with 14 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

18
drivers/input/touchscreen/nova_mmi/nt36xxx.c
View file

@ -330,8 +330,6 @@ int32_t nvt_check_fw_reset_state(RST_COMPLETE_STATE check_reset_state)
int32_t retry = 0;
NVT_LOG("enter-%s\n", __func__);
while (1) {
msleep(10);
/*---read reset state---*/
buf[0] = EVENT_MAP_RESET_COMPLETE;
buf[1] = 0x00;
@ -348,6 +346,7 @@ int32_t nvt_check_fw_reset_state(RST_COMPLETE_STATE check_reset_state)
ret = -1;
break;
}
msleep(10);
}
return ret;
@ -1196,6 +1195,13 @@ static int8_t nvt_ts_check_chip_ver_trim(void)
#endif
ts->mmap = trim_id_table[list].mmap;
ts->carrier_system = trim_id_table[list].carrier_system;
if (list == 1) /* NT36672A */
/*
This kind of IC dose not need trigger
reset in resume.
Because TP core is reset with LCD.
*/
ts->skip_reset_in_resume = true;
ret = 0;
goto out;
} else {
@ -1626,14 +1632,16 @@ static int32_t nvt_ts_resume(struct device *dev)
return 0;
}
msleep(10);
if (!ts->skip_reset_in_resume)
msleep(10);
mutex_lock(&ts->lock);
NVT_LOG("start\n");
/* please make sure display reset(RESX) sequence and mipi dsi cmds sent before this*/
nvt_bootloader_reset();
if (!ts->skip_reset_in_resume)
nvt_bootloader_reset();
res = nvt_check_fw_reset_state(RESET_STATE_REK);
NVT_LOG("enter-%s-----res=%d\n", __func__, res);
@ -1648,7 +1656,7 @@ static int32_t nvt_ts_resume(struct device *dev)
#endif
bTouchIsAwake = 1;
#if NVT_TOUCH_FW
ts->suspended = 0;
ts->suspended = 0;
#endif
mutex_unlock(&ts->lock);

1
drivers/input/touchscreen/nova_mmi/nt36xxx.h
View file

@ -112,6 +112,7 @@ struct nvt_ts_data {
const struct nvt_ts_mem_map *mmap;
uint8_t carrier_system;
uint16_t nvt_pid;
bool skip_reset_in_resume;
#if NVT_TOUCH_FW
int8_t product_id[10];
uint8_t suspended;