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OpenCloudOS-Kernel
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Pull bugzilla-9362 into release branch

This commit is contained in:
Len Brown 2007-12-14 15:14:52 -05:00
parent 5889ba0a6a 5a21e4fe58
commit 6e3013932e
3 changed files with 31 additions and 19 deletions
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27
drivers/acpi/sbs.c
View File

@ -54,12 +54,6 @@
#define ACPI_BATTERY_DIR_NAME "BAT%i"
#define ACPI_AC_DIR_NAME "AC0"
enum acpi_sbs_device_addr {
ACPI_SBS_CHARGER = 0x9,
ACPI_SBS_MANAGER = 0xa,
ACPI_SBS_BATTERY = 0xb,
};
#define ACPI_SBS_NOTIFY_STATUS 0x80
#define ACPI_SBS_NOTIFY_INFO 0x81
@ -539,7 +533,7 @@ static struct proc_dir_entry *acpi_battery_dir = NULL;
static inline char *acpi_battery_units(struct acpi_battery *battery)
{
return acpi_battery_mode(battery) ? " mWh" : " mAh";
return acpi_battery_mode(battery) ? " mW" : " mA";
}
@ -556,10 +550,10 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
if (!battery->present)
goto end;
seq_printf(seq, "design capacity: %i%s\n",
seq_printf(seq, "design capacity: %i%sh\n",
battery->design_capacity * acpi_battery_scale(battery),
acpi_battery_units(battery));
seq_printf(seq, "last full capacity: %i%s\n",
seq_printf(seq, "last full capacity: %i%sh\n",
battery->full_charge_capacity * acpi_battery_scale(battery),
acpi_battery_units(battery));
seq_printf(seq, "battery technology: rechargeable\n");
@ -590,7 +584,7 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
{
struct acpi_battery *battery = seq->private;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
int rate;
mutex_lock(&sbs->lock);
seq_printf(seq, "present: %s\n",
@ -604,9 +598,12 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
seq_printf(seq, "charging state: %s\n",
(battery->current_now < 0) ? "discharging" :
((battery->current_now > 0) ? "charging" : "charged"));
seq_printf(seq, "present rate: %d mA\n",
abs(battery->current_now) * acpi_battery_ipscale(battery));
seq_printf(seq, "remaining capacity: %i%s\n",
rate = abs(battery->current_now) * acpi_battery_ipscale(battery);
rate *= (acpi_battery_mode(battery))?(battery->voltage_now *
acpi_battery_vscale(battery)/1000):1;
seq_printf(seq, "present rate: %d%s\n", rate,
acpi_battery_units(battery));
seq_printf(seq, "remaining capacity: %i%sh\n",
battery->capacity_now * acpi_battery_scale(battery),
acpi_battery_units(battery));
seq_printf(seq, "present voltage: %i mV\n",
@ -614,7 +611,7 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
end:
mutex_unlock(&sbs->lock);
return result;
return 0;
}
static int acpi_battery_state_open_fs(struct inode *inode, struct file *file)
@ -638,7 +635,7 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
acpi_battery_get_alarm(battery);
seq_printf(seq, "alarm: ");
if (battery->alarm_capacity)
seq_printf(seq, "%i%s\n",
seq_printf(seq, "%i%sh\n",
battery->alarm_capacity *
acpi_battery_scale(battery),
acpi_battery_units(battery));

17
drivers/acpi/sbshc.c
View File

@ -202,10 +202,9 @@ int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc)
EXPORT_SYMBOL_GPL(acpi_smbus_unregister_callback);
static void acpi_smbus_callback(void *context)
static inline void acpi_smbus_callback(void *context)
{
struct acpi_smb_hc *hc = context;
if (hc->callback)
hc->callback(hc->context);
}
@ -214,6 +213,7 @@ static int smbus_alarm(void *context)
{
struct acpi_smb_hc *hc = context;
union acpi_smb_status status;
u8 address;
if (smb_hc_read(hc, ACPI_SMB_STATUS, &status.raw))
return 0;
/* Check if it is only a completion notify */
@ -222,9 +222,18 @@ static int smbus_alarm(void *context)
if (!status.fields.alarm)
return 0;
mutex_lock(&hc->lock);
smb_hc_read(hc, ACPI_SMB_ALARM_ADDRESS, &address);
status.fields.alarm = 0;
smb_hc_write(hc, ACPI_SMB_STATUS, status.raw);
if (hc->callback)
acpi_os_execute(OSL_GPE_HANDLER, acpi_smbus_callback, hc);
/* We are only interested in events coming from known devices */
switch (address >> 1) {
case ACPI_SBS_CHARGER:
case ACPI_SBS_MANAGER:
case ACPI_SBS_BATTERY:
acpi_os_execute(OSL_GPE_HANDLER,
acpi_smbus_callback, hc);
default:;
}
mutex_unlock(&hc->lock);
return 0;
}

6
drivers/acpi/sbshc.h
View File

@ -16,6 +16,12 @@ enum acpi_smb_protocol {
static const u8 SMBUS_PEC = 0x80;
enum acpi_sbs_device_addr {
ACPI_SBS_CHARGER = 0x9,
ACPI_SBS_MANAGER = 0xa,
ACPI_SBS_BATTERY = 0xb,
};
typedef void (*smbus_alarm_callback)(void *context);
extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,