summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/rt2x00/rt73usb.c
diff options
context:
space:
mode:
authorIvo van Doorn <ivdoorn@gmail.com>2008-12-20 10:55:57 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 15:58:37 -0500
commit7396faf4f3228b88c6c815c7a93081b456716d5f (patch)
tree86eeb5aa85d0300cbfea04ac6d2e14ce7528c04b /drivers/net/wireless/rt2x00/rt73usb.c
parenta07dbea210e146aedf8929cdabe082b58696260c (diff)
rt2x00: Add RFKILL support to rt2500usb and rt73usb
Some very rare Ralink USB hardware exists which features the RFKILL switch on the USB stick. This patch adds the EEPROM check function to see if RFKILL is supported and the polling function to rt2500usb and rt73usb in order to support RFKILL for that hardware. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index e99bcacfc191..c2658108d9c3 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -186,6 +186,18 @@ static const struct rt2x00debug rt73usb_rt2x00debug = {
};
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+#ifdef CONFIG_RT2X00_LIB_RFKILL
+static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00usb_register_read(rt2x00dev, MAC_CSR13, &reg);
+ return rt2x00_get_field32(reg, MAC_CSR13_BIT7);
+}
+#else
+#define rt73usb_rfkill_poll NULL
+#endif /* CONFIG_RT2X00_LIB_RFKILL */
+
#ifdef CONFIG_RT2X00_LIB_LEDS
static void rt73usb_brightness_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
@@ -1853,6 +1865,14 @@ static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
__set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
/*
+ * Detect if this device has an hardware controlled radio.
+ */
+#ifdef CONFIG_RT2X00_LIB_RFKILL
+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
+ __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
+#endif /* CONFIG_RT2X00_LIB_RFKILL */
+
+ /*
* Read frequency offset.
*/
rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
@@ -2257,6 +2277,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
.uninitialize = rt2x00usb_uninitialize,
.clear_entry = rt2x00usb_clear_entry,
.set_device_state = rt73usb_set_device_state,
+ .rfkill_poll = rt73usb_rfkill_poll,
.link_stats = rt73usb_link_stats,
.reset_tuner = rt73usb_reset_tuner,
.link_tuner = rt73usb_link_tuner,