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charging_profile: Remember state and re-write on power change event

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This commit is contained in:
Christoffer Sandberg 2023-02-10 16:12:12 +01:00
parent 34117c7c68
commit 1bab01f93b
1 changed files with 60 additions and 23 deletions
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83
src/uniwill_keyboard.h
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@ -57,6 +57,8 @@
#define UNIWILL_BRIGHTNESS_DEFAULT UNIWILL_BRIGHTNESS_MAX * 0.30
#define UNIWILL_COLOR_DEFAULT 0xffffff
static void uw_charging_profile_write_state(void);
struct tuxedo_keyboard_driver uniwill_keyboard_driver;
struct kbd_led_state_uw_t {
@ -380,9 +382,10 @@ void uniwill_event_callb(u32 code)
kbd_led_state_uw.brightness = 0xc8;
uniwill_write_kbd_bl_state();
break;
// Also refresh keyboard state on cable switch event
// Refresh keyboard state and charging profile on cable switch event
case UNIWILL_OSD_DC_ADAPTER_CHANGE:
uniwill_write_kbd_bl_state();
uw_charging_profile_write_state();
break;
}
}
@ -822,6 +825,35 @@ static int uw_has_charging_priority(bool *status)
}
static bool uw_charging_profile_loaded = false;
static bool uw_charging_profile_value;
static ssize_t uw_charging_profiles_available_show(struct device *child,
struct device_attribute *attr,
char *buffer);
static ssize_t uw_charging_profile_show(struct device *child,
struct device_attribute *attr, char *buffer);
static ssize_t uw_charging_profile_store(struct device *child,
struct device_attribute *attr,
const char *buffer, size_t size);
struct uw_charging_profile_attrs_t {
struct device_attribute charging_profiles_available;
struct device_attribute charging_profile;
} uw_charging_profile_attrs = {
.charging_profiles_available = __ATTR(charging_profiles_available, 0444, uw_charging_profiles_available_show, NULL),
.charging_profile = __ATTR(charging_profile, 0644, uw_charging_profile_show, uw_charging_profile_store)
};
static struct attribute *uw_charging_profile_attrs_list[] = {
&uw_charging_profile_attrs.charging_profiles_available.attr,
&uw_charging_profile_attrs.charging_profile.attr,
NULL
};
static struct attribute_group uw_charging_profile_attr_group = {
.name = "charging_profile",
.attrs = uw_charging_profile_attrs_list
};
/*
* charging_profile values
@ -843,13 +875,19 @@ static int uw_set_charging_profile(u8 charging_profile)
next_data = (previous_data & ~(0x03 << 4)) | charging_profile;
result = uniwill_write_ec_ram(0x07a6, next_data);
if (result == 0)
uw_charging_profile_value = charging_profile;
return result;
}
static int uw_get_charging_profile(u8 *charging_profile)
{
int result = uniwill_read_ec_ram(0x07a6, charging_profile);
*charging_profile = (*charging_profile >> 4) & 0x03;
if (result == 0) {
*charging_profile = (*charging_profile >> 4) & 0x03;
uw_charging_profile_value = *charging_profile;
}
return result;
}
@ -878,6 +916,25 @@ static int uw_has_charging_profile(bool *status)
return result;
}
static void uw_charging_profile_write_state(void)
{
if (uw_charging_profile_loaded)
uw_set_charging_profile(uw_charging_profile_value);
}
static void uw_charging_profile_init(struct platform_device *dev)
{
u8 dummy;
struct uniwill_device_features_t *uw_feats = &uniwill_device_features;
if (uw_feats->uniwill_has_charging_profile)
uw_charging_profile_loaded = sysfs_create_group(&dev->dev.kobj, &uw_charging_profile_attr_group) == 0;
// Trigger read for state init
if (uw_charging_profile_loaded)
uw_get_charging_profile(&dummy);
}
struct char_to_u8_t {
char* descriptor;
u8 value;
@ -960,25 +1017,6 @@ static ssize_t uw_charging_profile_store(struct device *child,
return -EINVAL;
}
struct uw_charging_profile_attrs_t {
struct device_attribute charging_profiles_available;
struct device_attribute charging_profile;
} uw_charging_profile_attrs = {
.charging_profiles_available = __ATTR(charging_profiles_available, 0444, uw_charging_profiles_available_show, NULL),
.charging_profile = __ATTR(charging_profile, 0644, uw_charging_profile_show, uw_charging_profile_store)
};
static struct attribute *uw_charging_profile_attrs_list[] = {
&uw_charging_profile_attrs.charging_profiles_available.attr,
&uw_charging_profile_attrs.charging_profile.attr,
NULL
};
static struct attribute_group uw_charging_profile_attr_group = {
.name = "charging_profile",
.attrs = uw_charging_profile_attrs_list
};
static struct char_to_u8_t charging_prio_options[] = {
{ .descriptor = "charge_battery", .value = 0x00 },
{ .descriptor = "performance", .value = 0x01 }
@ -1175,8 +1213,7 @@ static int uniwill_keyboard_probe(struct platform_device *dev)
if (uw_feats->uniwill_has_charging_prio)
uw_charging_prio_loaded = sysfs_create_group(&dev->dev.kobj, &uw_charging_prio_attr_group) == 0;
if (uw_feats->uniwill_has_charging_profile)
uw_charging_profile_loaded = sysfs_create_group(&dev->dev.kobj, &uw_charging_profile_attr_group) == 0;
uw_charging_profile_init(dev);
return 0;
}