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sec_mmi: expose panel supplier name

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Adding sysfs entry to report panel supplier name retrieved from
mmi,panel_name property of chosen device tree node. That property
gets initialized in bootloader based of results of HW detection.

Change-Id: I1c0a4ac8dc008ab8a41ae3da77cdc7ec9b2d20e2
Signed-off-by: Konstantin Makariev <hcv867@motorola.com>
Reviewed-on: https://gerrit.mot.com/1396198
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:
Konstantin Makariev 2019-08-02 10:28:28 -05:00 • committed by Konstantin Makariev
commit 70a6f9ebd7
2 changed files with 32 additions and 4 deletions
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1
drivers/input/touchscreen/sec_mmi/sec_mmi.h
View file

@ -30,6 +30,7 @@ struct sec_mmi_data {
unsigned int build_id;
unsigned int config_id;
char product_id[10];
char panel_supplier[16];
char *image_name;
const char *class_entry_name;

35
drivers/input/touchscreen/sec_mmi/sec_ts_mmi.c
View file

@ -60,6 +60,8 @@ static ssize_t sec_mmi_buildid_show(struct device *dev,
struct device_attribute *attr, char *buf);
static ssize_t sec_mmi_flashprog_show(struct device *dev,
struct device_attribute *attr, char *buf);
static ssize_t sec_mmi_panel_supplier_show(struct device *dev,
struct device_attribute *attr, char *buf);
static DEVICE_ATTR(forcereflash, (S_IWUSR | S_IWGRP), NULL, sec_mmi_forcereflash_store);
static DEVICE_ATTR(doreflash, (S_IWUSR | S_IWGRP), NULL, sec_mmi_doreflash_store);
@ -72,6 +74,7 @@ static DEVICE_ATTR(flashprog, S_IRUGO, sec_mmi_flashprog_show, NULL);
static DEVICE_ATTR(poweron, S_IRUGO, sec_mmi_poweron_show, NULL);
static DEVICE_ATTR(reset, (S_IWUSR | S_IWGRP), NULL, sec_mmi_reset_store);
static DEVICE_ATTR(erase_all, (S_IWUSR | S_IWGRP), NULL, sec_mmi_erase_store);
static DEVICE_ATTR(panel_supplier, S_IRUGO, sec_mmi_panel_supplier_show, NULL);
static struct attribute *mmi_attributes[] = {
&dev_attr_forcereflash.attr,
@ -85,6 +88,7 @@ static struct attribute *mmi_attributes[] = {
&dev_attr_poweron.attr,
&dev_attr_reset.attr,
&dev_attr_erase_all.attr,
&dev_attr_panel_supplier.attr,
NULL,
};
@ -174,7 +178,6 @@ static int sec_mmi_touchscreen_class(
/* construct input device name */
namelen = scnprintf(buffer, sizeof(buffer), "samsung_mmi.%s", class_fname);
// FIXME namelen = scnprintf(buffer, sizeof(buffer), "synaptics_mmi.%s", class_fname);
if (namelen) {
input_dev_name = kstrdup(buffer, GFP_KERNEL);
ts->input_dev->name = input_dev_name;
@ -222,17 +225,33 @@ static int sec_mmi_dt(struct sec_mmi_data *data)
struct device_node *np = dev->of_node;
if (!of_property_read_string(np, "sec,class-entry-name", &data->class_entry_name))
input_info(true, dev, "%s: class-entry-name property %s\n",
dev_info(DEV_MMI, "%s: class-entry-name property %s\n",
__func__, data->class_entry_name);
if (!of_property_read_string(np, "sec,bound-display", &data->bound_display))
input_info(true, dev, "%s: bound-display property %s\n",
dev_info(DEV_MMI, "%s: bound-display property %s\n",
__func__, data->bound_display);
if (!of_property_read_u32(np, "sec,control-dsi", &data->ctrl_dsi))
input_info(true, dev, "%s: ctrl-dsi property %d\n",
dev_info(DEV_MMI, "%s: ctrl-dsi property %d\n",
__func__, data->ctrl_dsi);
np = of_find_node_by_name(NULL, "chosen");
if (np) {
const char *supplier;
char *s, *d;
of_property_read_string(np, "mmi,panel_name", (const char **)&supplier);
/* skip dsi_ part */
s = (char *)supplier + 4;
d = data->panel_supplier;
while (*s != '_') *d++ = *s++;
dev_info(DEV_MMI, "%s: panel-supplier %s\n",
__func__, data->panel_supplier);
of_node_put(np);
}
return 0;
}
@ -481,6 +500,14 @@ static int sec_mmi_register_notifier(
return rc;
}
static ssize_t sec_mmi_panel_supplier_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_ts_data *ts = dev_get_drvdata(dev);
struct sec_mmi_data *data = ts->mmi_ptr;
return scnprintf(buf, PAGE_SIZE, "%s\n", data->panel_supplier);
}
static ssize_t sec_mmi_poweron_show(struct device *dev,
struct device_attribute *attr, char *buf)
{