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ACPI: sbs: probe smart battery vis SMBus controller 

http://bugzilla.kernel.org/show_bug.cgi?id=8559

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy 2007-06-23 16:24:48 -04:00 committed by Len Brown
parent 75154f402e
commit addad45494
1 changed files with 7 additions and 26 deletions
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33
drivers/acpi/sbs.c
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@ -127,7 +127,7 @@ static int acpi_sbs_resume(struct acpi_device *device);
static struct acpi_driver acpi_sbs_driver = {
.name = "sbs",
.class = ACPI_SBS_CLASS,
.ids = ACPI_SBS_HID,
.ids = "ACPI0001,ACPI0005",
.ops = {
.add = acpi_sbs_add,
.remove = acpi_sbs_remove,
@ -176,10 +176,8 @@ struct acpi_battery {
};
struct acpi_sbs {
acpi_handle handle;
int base;
struct acpi_device *device;
struct acpi_ec_smbus *smbus;
struct mutex mutex;
int sbsm_present;
int sbsm_batteries_supported;
@ -511,7 +509,7 @@ static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
"acpi_sbs_read_word() failed"));
goto end;
}
sbs->sbsm_present = 1;
sbs->sbsm_batteries_supported = battery_system_info & 0x000f;
end:
@ -1630,13 +1628,12 @@ static int acpi_sbs_add(struct acpi_device *device)
{
struct acpi_sbs *sbs = NULL;
int result = 0, remove_result = 0;
unsigned long sbs_obj;
int id;
acpi_status status = AE_OK;
unsigned long val;
status =
acpi_evaluate_integer(device->parent->handle, "_EC", NULL, &val);
acpi_evaluate_integer(device->handle, "_EC", NULL, &val);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, AE_ERROR, "Error obtaining _EC"));
return -EIO;
@ -1653,7 +1650,7 @@ static int acpi_sbs_add(struct acpi_device *device)
sbs_mutex_lock(sbs);
sbs->base = (val & 0xff00ull) >> 8;
sbs->base = 0xff & (val >> 8);
sbs->device = device;
strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
@ -1665,24 +1662,10 @@ static int acpi_sbs_add(struct acpi_device *device)
ACPI_EXCEPTION((AE_INFO, AE_ERROR, "acpi_ac_add() failed"));
goto end;
}
status = acpi_evaluate_integer(device->handle, "_SBS", NULL, &sbs_obj);
if (status) {
ACPI_EXCEPTION((AE_INFO, status,
"acpi_evaluate_integer() failed"));
result = -EIO;
goto end;
}
if (sbs_obj > 0) {
result = acpi_sbsm_get_info(sbs);
if (result) {
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbsm_get_info() failed"));
goto end;
}
sbs->sbsm_present = 1;
}
if (sbs->sbsm_present == 0) {
acpi_sbsm_get_info(sbs);
if (!sbs->sbsm_present) {
result = acpi_battery_add(sbs, 0);
if (result) {
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
@ -1702,8 +1685,6 @@ static int acpi_sbs_add(struct acpi_device *device)
}
}
sbs->handle = device->handle;
init_timer(&sbs->update_timer);
result = acpi_check_update_proc(sbs);
if (result)