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mac80211: rt2x00: enable setting wifi led polarity from OF

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This patch enables setting the wifi led polarity from OF.
It can be used in a DTS' wmac section like this:

   ralink,led-polarity = <1>;

Valid values are 0 or 1.

Signed-off-by: Felix Kaechele <heffer@fedoraproject.org>

SVN-Revision: 37607
This commit is contained in:
John Crispin 2013-07-29 13:09:16 +00:00
parent a8e8a31cb8
commit 7f895c6776
1 changed files with 26 additions and 0 deletions
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26
package/kernel/mac80211/patches/619-rt2x00-change-led-polarity-from-OF.patch Normal file
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@ -0,0 +1,26 @@
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -5965,6 +5965,13 @@ static int rt2800_init_eeprom(struct rt2
rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
+ /* Allow overriding polarity from OF */
+ struct device_node *np = rt2x00dev->dev->of_node;
+ unsigned int led_polarity;
+
+ if (!of_property_read_u32(np, "ralink,led-polarity", &led_polarity))
+ rt2x00_set_field16(&eeprom, EEPROM_FREQ_LED_POLARITY, led_polarity);
+
rt2x00dev->led_mcu_reg = eeprom;
#endif /* CPTCFG_RT2X00_LIB_LEDS */
--- a/drivers/net/wireless/rt2x00/rt2x00leds.c
+++ b/drivers/net/wireless/rt2x00/rt2x00leds.c
@@ -110,6 +110,7 @@ static int rt2x00leds_register_led(struc
led->led_dev.name = name;
led->led_dev.brightness = LED_OFF;
+ led->led_dev.brightness_set(&led->led_dev, LED_OFF);
retval = led_classdev_register(device, &led->led_dev);
if (retval) {