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techpack: display: dsi: Add a sysfs node for HBM

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Change-Id: I78d40708349a59911209e9417f44515968f80442
This commit is contained in:
Davide Garberi 2023-07-12 02:17:37 +02:00
parent aea72ad342
commit be8942094c
1 changed files with 45 additions and 0 deletions
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45
techpack/display/msm/dsi/dsi_panel.c
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@ -3621,6 +3621,50 @@ static void dsi_panel_setup_vm_ops(struct dsi_panel *panel, bool trusted_vm_env)
}
}
static ssize_t sysfs_hbm_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct dsi_display *display;
display = dev_get_drvdata(dev);
if (!display) {
pr_err("Invalid display\n");
return -EINVAL;
}
return snprintf(buf, PAGE_SIZE, "%d\n", display->panel->manual_hbm_enabled);
}
static ssize_t sysfs_hbm_mode_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct dsi_display *display;
unsigned int input;
bool enable;
display = dev_get_drvdata(dev);
if (!display) {
pr_err("Invalid display\n");
return -EINVAL;
}
if (sscanf(buf, "%u", &input) != 1)
return -EINVAL;
enable = input > 0 ? true : false;
if (dsi_panel_initialized(display->panel)) {
display->panel->manual_hbm_enabled = enable;
dsi_panel_set_hbm(display->panel, enable);
}
return count;
}
static DEVICE_ATTR(hbm, 0664,
sysfs_hbm_mode_show,
sysfs_hbm_mode_store);
static ssize_t sysfs_fod_ui_read(struct device *dev,
struct device_attribute *attr, char *buf)
{
@ -3638,6 +3682,7 @@ static ssize_t sysfs_fod_ui_read(struct device *dev,
static DEVICE_ATTR(fod_ui, 0444, sysfs_fod_ui_read, NULL);
static struct attribute *panel_attrs[] = {
&dev_attr_hbm.attr,
&dev_attr_fod_ui.attr,
NULL,
};