drivers/hwmon/kbatt.c

110

struct kbatt *kbatt;

drivers/hwmon/kbatt.c

113

kbatt = devm_kzalloc(dev, sizeof(*kbatt), GFP_KERNEL);

drivers/hwmon/kbatt.c

114

if (!kbatt)

drivers/hwmon/kbatt.c

117

retval = devm_mutex_init(dev, &kbatt->lock);

drivers/hwmon/kbatt.c

121

kbatt->base = devm_ioremap_resource(dev, &kbatt_auxdev->io);

drivers/hwmon/kbatt.c

122

if (IS_ERR(kbatt->base))

drivers/hwmon/kbatt.c

123

return PTR_ERR(kbatt->base);

drivers/hwmon/kbatt.c

125

hwmon_dev = devm_hwmon_device_register_with_info(dev, KBATT, kbatt,

drivers/hwmon/kbatt.c

37

static bool kbatt_alarm(struct kbatt *kbatt)

drivers/hwmon/kbatt.c

39

mutex_lock(&kbatt->lock);

drivers/hwmon/kbatt.c

41

if (!kbatt->next_update || time_after(jiffies, kbatt->next_update)) {

drivers/hwmon/kbatt.c

44

kbatt->base + KBATT_CONTROL_REG);

drivers/hwmon/kbatt.c

50

if (ioread8(kbatt->base + KBATT_STATUS_REG) &

drivers/hwmon/kbatt.c

52

kbatt->alarm = false;

drivers/hwmon/kbatt.c

54

kbatt->alarm = true;

drivers/hwmon/kbatt.c

57

iowrite8(0, kbatt->base + KBATT_CONTROL_REG);

drivers/hwmon/kbatt.c

59

kbatt->next_update = jiffies + KBATT_MAX_UPD_INTERVAL;

drivers/hwmon/kbatt.c

62

mutex_unlock(&kbatt->lock);

drivers/hwmon/kbatt.c

64

return kbatt->alarm;

drivers/hwmon/kbatt.c

70

struct kbatt *kbatt = dev_get_drvdata(dev);

drivers/hwmon/kbatt.c

72

*val = kbatt_alarm(kbatt) ? 1 : 0;