Sony laptops have a single hardware rfkill switch, which controls
several wireless devices: wifi, bluetooth, wwan. The code to
selectively control bluetooth and wwan is already present. This
paths adds handling of wifi.
---
drivers/misc/sony-laptop.c | 43 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index be70153..1e9377e 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -1227,6 +1227,7 @@ struct sony_pic_dev {
u8 camera_power;
u8 bluetooth_power;
u8 wwan_power;
+ u8 wifi_power;
};
static struct sony_pic_dev spic_dev = {
@@ -1760,6 +1761,7 @@ static void sony_pic_set_wwanpower(u8 state)
return;
}
sony_pic_call2(0xB0, state);
+ sony_pic_call1(0x82);
spic_dev.wwan_power = state;
mutex_unlock(&spic_dev.lock);
}
@@ -1788,6 +1790,45 @@ static ssize_t sony_pic_wwanpower_show(struct device *dev,
return count;
}
+/* wifi power (TX series) */
+static void sony_pic_set_wifipower(u8 state)
+{
+ state = !!state;
+ mutex_lock(&spic_dev.lock);
+ if (spic_dev.wifi_power == state) {
+ mutex_unlock(&spic_dev.lock);
+ return;
+ }
+ sony_pic_call2(0x98, -state);
+ sony_pic_call1(0x82);
+ spic_dev.wifi_power = state;
+ mutex_unlock(&spic_dev.lock);
+}
+
+static ssize_t sony_pic_wifipower_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buffer, size_t count)
+{
+ unsigned long value;
+ if (count > 31)
+ return -EINVAL;
+
+ value = simple_strtoul(buffer, NULL, 10);
+ sony_pic_set_wifipower(value);
+
+ return count;
+}
+
+static ssize_t sony_pic_wifipower_show(struct device *dev,
+ struct device_attribute *attr, char *buffer)
+{
+ ssize_t count;
+ mutex_lock(&spic_dev.lock);
+ count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wifi_power);
+ mutex_unlock(&spic_dev.lock);
+ return count;
+}
+
/* bluetooth subsystem power state */
static void __sony_pic_set_bluetoothpower(u8 state)
{
@@ -1870,11 +1911,13 @@ struct device_attribute spic_attr_##_name = __ATTR(_name, \
static SPIC_ATTR(bluetoothpower, 0644);
static SPIC_ATTR(wwanpower, 0644);
+static SPIC_ATTR(wifipower, 0644);
static SPIC_ATTR(fanspeed, 0644);
static struct attribute *spic_attributes[] = {
&spic_attr_bluetoothpower.attr,
&spic_attr_wwanpower.attr,
+ &spic_attr_wifipower.attr,
&spic_attr_fanspeed.attr,
NULL
};
--
1.5.5
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