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thermal: core: Import Xiaomi board_sensor and thermal message changes

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Change-Id: Ia19f1ed5fd5d9c0e71dc6f8bef53f6e7757a678f
Signed-off-by: azrim <mirzaspc@gmail.com>
This commit is contained in:
Arian 2020-06-25 19:17:40 +02:00 committed by azrim
parent 01054d5c60
commit 9e53ddbe20
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GPG Key ID: 497F8FB059B45D1C
1 changed files with 64 additions and 0 deletions
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64
drivers/thermal/thermal_core.c
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@ -68,6 +68,8 @@ struct screen_monitor sm;
static atomic_t switch_mode = ATOMIC_INIT(-1);
static atomic_t temp_state = ATOMIC_INIT(0);
static char boost_buf[128];
const char *board_sensor;
static char board_sensor_temp[128];
static atomic_t in_suspend;
static bool power_off_triggered;
@ -1745,6 +1747,38 @@ cpu_limits_store(struct device *dev,
return len;
}
static ssize_t
thermal_board_sensor_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
if (!board_sensor)
board_sensor = "invalid";
return snprintf(buf, PAGE_SIZE, "%s", board_sensor);
}
static DEVICE_ATTR(board_sensor, 0664,
thermal_board_sensor_show, NULL);
static ssize_t
thermal_board_sensor_temp_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, board_sensor_temp);
}
static ssize_t
thermal_board_sensor_temp_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t len)
{
snprintf(board_sensor_temp, PAGE_SIZE, buf);
return len;
}
static DEVICE_ATTR(board_sensor_temp, 0664,
thermal_board_sensor_temp_show, thermal_board_sensor_temp_store);
static DEVICE_ATTR(cpu_limits, 0664,
cpu_limits_show, cpu_limits_store);
@ -1777,6 +1811,13 @@ static int create_thermal_message_node(void)
ret = sysfs_create_file(&thermal_message_dev.kobj, &dev_attr_cpu_limits.attr);
if (ret < 0)
pr_warn("Thermal: create cpu limits node failed\n");
ret = sysfs_create_file(&thermal_message_dev.kobj, &dev_attr_board_sensor.attr);
if (ret < 0)
pr_warn("Thermal: create board sensor node failed\n");
ret = sysfs_create_file(&thermal_message_dev.kobj, &dev_attr_board_sensor_temp.attr);
if (ret < 0)
pr_warn("Thermal: create board sensor temp node failed\n");
}
return ret;
@ -1788,6 +1829,8 @@ static void destroy_thermal_message_node(void)
sysfs_remove_file(&thermal_message_dev.kobj, &dev_attr_temp_state.attr);
sysfs_remove_file(&thermal_message_dev.kobj, &dev_attr_boost.attr);
sysfs_remove_file(&thermal_message_dev.kobj, &dev_attr_sconfig.attr);
sysfs_remove_file(&thermal_message_dev.kobj, &dev_attr_board_sensor_temp.attr);
sysfs_remove_file(&thermal_message_dev.kobj, &dev_attr_board_sensor.attr);
#ifdef CONFIG_DRM
sysfs_remove_file(&thermal_message_dev.kobj, &dev_attr_screen_state.attr);
#endif
@ -1827,6 +1870,23 @@ static int screen_state_for_thermal_callback(struct notifier_block *nb, unsigned
}
#endif
static int of_parse_thermal_message(void)
{
struct device_node *np;
np = of_find_node_by_name(NULL, "thermal-message");
if (!np)
return -EINVAL;
if (of_property_read_string(np, "board-sensor", &board_sensor))
return -EINVAL;
pr_info("%s board sensor: %s\n", board_sensor);
return 0;
}
static int __init thermal_init(void)
{
int result;
@ -1862,6 +1922,10 @@ static int __init thermal_init(void)
if (result)
pr_warn("Thermal: create thermal message node failed, return %d\n",
result);
result = of_parse_thermal_message();
if (result)
pr_warn("Thermal: Can not parse thermal message node, return %d\n",
result);
#ifdef CONFIG_DRM
sm.thermal_notifier.notifier_call = screen_state_for_thermal_callback;