Control power of rf modules by ec commands
Signed-off-by: Ike Panhc <[email protected]>
---
drivers/platform/x86/ideapad_acpi.c | 37 +++++++++++-----------------------
1 files changed, 12 insertions(+), 25 deletions(-)
diff --git a/drivers/platform/x86/ideapad_acpi.c
b/drivers/platform/x86/ideapad_acpi.c
index 3826686..78ac02a 100644
--- a/drivers/platform/x86/ideapad_acpi.c
+++ b/drivers/platform/x86/ideapad_acpi.c
@@ -37,18 +37,19 @@
struct ideapad_private {
acpi_handle handle;
struct rfkill *rfk[5];
-};
+} *ideapad_priv;
static struct {
char *name;
int cfgbit;
+ int opcode;
int type;
} ideapad_rfk_data[] = {
- { "ideapad_camera", 19, NUM_RFKILL_TYPES },
- { "ideapad_wlan", 18, RFKILL_TYPE_WLAN },
- { "ideapad_bluetooth", 16, RFKILL_TYPE_BLUETOOTH },
- { "ideapad_3g", 17, RFKILL_TYPE_WWAN },
- { "ideapad_killsw", 0, RFKILL_TYPE_WLAN }
+ { "ideapad_camera", 19, 0x1E, NUM_RFKILL_TYPES },
+ { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN },
+ { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH },
+ { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN },
+ { "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 */
-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,
struct device_attribute *attr,
char *buf)
@@ -217,7 +200,10 @@ static int ideapad_rfk_set(void *data, bool blocked)
if (device == IDEAPAD_DEV_KILLSW)
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 = {
@@ -318,6 +304,7 @@ static int ideapad_acpi_add(struct acpi_device *adevice)
priv->handle = adevice->handle;
dev_set_drvdata(&adevice->dev, priv);
+ ideapad_priv = priv;
for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) {
if (!devs_present[i])
continue;
--
1.7.1
--
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