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ideapad: rewrite the sw rfkill set 

Control power of rf modules by ec commands

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Ike Panhc 2010-10-01 15:39:59 +08:00 committed by Matthew Garrett
parent 2b7266bd49
commit fa08359ee2
1 changed files with 12 additions and 25 deletions
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37
drivers/platform/x86/ideapad_acpi.c
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@ -37,18 +37,19 @@
struct ideapad_private { struct ideapad_private {
acpi_handle handle; acpi_handle handle;
struct rfkill *rfk[5]; struct rfkill *rfk[5];
}; } *ideapad_priv;
static struct { static struct {
char *name; char *name;
int cfgbit; int cfgbit;
int opcode;
int type; int type;
} ideapad_rfk_data[] = { } ideapad_rfk_data[] = {
{ "ideapad_camera", 19, NUM_RFKILL_TYPES }, { "ideapad_camera", 19, 0x1E, NUM_RFKILL_TYPES },
{ "ideapad_wlan", 18, RFKILL_TYPE_WLAN }, { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN },
{ "ideapad_bluetooth", 16, RFKILL_TYPE_BLUETOOTH }, { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH },
{ "ideapad_3g", 17, RFKILL_TYPE_WWAN }, { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN },
{ "ideapad_killsw", 0, RFKILL_TYPE_WLAN } { "ideapad_killsw", 0, 0, RFKILL_TYPE_WLAN }
}; };
/* /*
@ -160,24 +161,6 @@ static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data)
} }
/* the above is ACPI helpers */ /* the above is ACPI helpers */
static int ideapad_dev_set_state(int device, int state)
{
acpi_status status;
union acpi_object in_params[2];
struct acpi_object_list input = { 2, in_params };
in_params[0].type = ACPI_TYPE_INTEGER;
in_params[0].integer.value = device + 1;
in_params[1].type = ACPI_TYPE_INTEGER;
in_params[1].integer.value = state;
status = acpi_evaluate_object(NULL, "\\_SB_.SECN", &input, NULL);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING "IdeaPAD \\_SB_.SECN method failed %d\n", status);
return -ENODEV;
}
return 0;
}
static ssize_t show_ideapad_cam(struct device *dev, static ssize_t show_ideapad_cam(struct device *dev,
struct device_attribute *attr, struct device_attribute *attr,
char *buf) char *buf)
@ -217,7 +200,10 @@ static int ideapad_rfk_set(void *data, bool blocked)
if (device == IDEAPAD_DEV_KILLSW) if (device == IDEAPAD_DEV_KILLSW)
return -EINVAL; return -EINVAL;
return ideapad_dev_set_state(device, !blocked);
return write_ec_cmd(ideapad_priv->handle,
ideapad_rfk_data[device].opcode,
!blocked);
} }
static struct rfkill_ops ideapad_rfk_ops = { static struct rfkill_ops ideapad_rfk_ops = {
@ -318,6 +304,7 @@ static int ideapad_acpi_add(struct acpi_device *adevice)
priv->handle = adevice->handle; priv->handle = adevice->handle;
dev_set_drvdata(&adevice->dev, priv); dev_set_drvdata(&adevice->dev, priv);
ideapad_priv = priv;
for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) { for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) {
if (!devs_present[i]) if (!devs_present[i])
continue; continue;