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power: android: add /d/android-power

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Change-Id: I306ae5928bb5c32dc986811cfa3a6dd98519a2d7
Signed-off-by: Todd Poynor <toddpoynor@google.com>
This commit is contained in:
Todd Poynor
2012-07-31 20:14:05 -07:00
committed by Colin Cross
parent 7474140a4e
commit f550ef22a9
1 changed files with 37 additions and 1 deletions
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38
drivers/power/android_battery.c
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@@ -32,6 +32,7 @@
#include <linux/wakelock.h>
#include <linux/workqueue.h>
#include <linux/timer.h>
#include <linux/debugfs.h>
#include <linux/platform_data/android_battery.h>
struct android_bat_data {
@@ -60,6 +61,8 @@ struct android_bat_data {
bool slow_poll;
ktime_t last_poll;
struct dentry *debugfs_entry;
};
static enum power_supply_property android_battery_props[] = {
@@ -330,6 +333,32 @@ static void android_bat_monitor_work(struct work_struct *work)
return;
}
static int android_power_debug_dump(struct seq_file *s, void *unused)
{
struct android_bat_data *battery = s->private;
android_bat_update_data(battery);
seq_printf(s, "l=%d v=%d c=%d temp=%d h=%d st=%d type=%s\n",
battery->batt_soc, battery->batt_vcell/1000,
battery->batt_current, battery->batt_temp,
battery->batt_health, battery->charging_status,
charge_source_str(battery->charge_source));
return 0;
}
static int android_power_debug_open(struct inode *inode, struct file *file)
{
return single_open(file, android_power_debug_dump, inode->i_private);
}
static const struct file_operations android_power_debug_fops = {
.open = android_power_debug_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int android_bat_probe(struct platform_device *pdev)
{
struct android_bat_platform_data *pdata = dev_get_platdata(&pdev->dev);
@@ -399,8 +428,14 @@ static int android_bat_probe(struct platform_device *pdev)
queue_delayed_work(battery->monitor_wqueue,
&battery->monitor_work, msecs_to_jiffies(0));
return 0;
battery->debugfs_entry =
debugfs_create_file("android-power", S_IRUGO, NULL,
battery, &android_power_debug_fops);
if (!battery->debugfs_entry)
pr_err("failed to create android-power debugfs entry\n");
return 0;
err_wq:
power_supply_unregister(&battery->psy_bat);
@@ -422,6 +457,7 @@ static int android_bat_remove(struct platform_device *pdev)
power_supply_unregister(&battery->psy_bat);
wake_lock_destroy(&battery->monitor_wake_lock);
wake_lock_destroy(&battery->charger_wake_lock);
debugfs_remove(battery->debugfs_entry);
kfree(battery);
return 0;
}