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dlkm: bo: Support multi panel-supplier for novatek on 5.4.0

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- Since kernel 5.4.0 with android R can't use chosen property of devicetree
to confirm which panel will be used, so get the right panel-supplier from
active panel name.
NO_PROP_NEEDED: needn't for shm2018

Change-Id: Iaddcf244e5db6dbb77e2d825b18e9645fe1807e3
Signed-off-by: wengjun1 <wengjun1@motorola.com>
Reviewed-on: https://gerrit.mot.com/1798496
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jing Hu <hujing3@lenovo.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
wengjun1 2020-11-10 15:24:14 +08:00 • committed by Jun Weng
commit a89263aeeb
1 changed files with 25 additions and 0 deletions
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25
drivers/input/touchscreen/nova_0flash_mmi/nt36xxx.c
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@ -1180,6 +1180,11 @@ static int32_t nvt_parse_dt(struct device *dev)
{
struct device_node *np = dev->of_node;
int32_t ret = 0;
#if defined(NVT_CONFIG_DRM_PANEL)
int num_of_panel_supplier;
int j;
const char *panel_supplier;
#endif
#if NVT_TOUCH_SUPPORT_HW_RST
ts->reset_gpio = of_get_named_gpio_flags(np, "novatek,reset-gpio", 0, &ts->reset_flags);
@ -1196,8 +1201,28 @@ static int32_t nvt_parse_dt(struct device *dev)
NVT_LOG("SWRST_N8_ADDR=0x%06X\n", SWRST_N8_ADDR);
}
#if defined(NVT_CONFIG_DRM_PANEL)
num_of_panel_supplier = of_property_count_strings(np, "novatek,panel-supplier");
NVT_LOG("%s: get novatek,panel-supplier count=%d", __func__, num_of_panel_supplier);
if (active_panel_name && num_of_panel_supplier > 0) {
for (j = 0; j < num_of_panel_supplier; j++) {
ret = of_property_read_string_index(np, "novatek,panel-supplier", j, &panel_supplier);
if (ret < 0) {
NVT_LOG("%s: cannot parse panel-supplier: %d\n", __func__, ret);
break;
} else if (panel_supplier && strstr(active_panel_name, panel_supplier)) {
ts->panel_supplier = panel_supplier;
NVT_LOG("%s: matched panel_supplier: %s", __func__, panel_supplier);
break;
}
}
} else {
ret = -EINVAL;
}
#else
ret = of_property_read_string(np, "novatek,panel-supplier",
&ts->panel_supplier);
#endif
if (ret < 0) {
NVT_LOG("Unable to read panel supplier\n");
} else {