p54: more accurate rssi to dBm conversion
This patch replaces the static rssi auto calibration data
with more precise values out of the device's eeprom.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h
index 06e1643..6c824e4 100644
--- a/drivers/net/wireless/p54/p54common.h
+++ b/drivers/net/wireless/p54/p54common.h
@@ -178,6 +178,11 @@
u8 data[0];
} __attribute__ ((packed));
+struct pda_rssi_cal_entry {
+ __le16 mul;
+ __le16 add;
+} __attribute__ ((packed));
+
/*
* this defines the PDR codes used to build PDAs as defined in document
* number 553155. The current implementation mirrors version 1.1 of the
@@ -429,22 +434,18 @@
u8 dup_16qam;
u8 dup_64qam;
union {
- struct {
- __le16 rssical_mul;
- __le16 rssical_add;
- } v1 __attribute__ ((packed));
+ struct pda_rssi_cal_entry v1_rssi;
struct {
__le32 basic_rate_mask;
u8 rts_rates[8];
- __le16 rssical_mul;
- __le16 rssical_add;
+ struct pda_rssi_cal_entry rssi;
} v2 __attribute__ ((packed));
} __attribute__ ((packed));
} __attribute__ ((packed));
-#define P54_SCAN_V1_LEN (sizeof(struct p54_scan)-12)
-#define P54_SCAN_V2_LEN (sizeof(struct p54_scan))
+#define P54_SCAN_V1_LEN 0x70
+#define P54_SCAN_V2_LEN 0x7c
struct p54_led {
__le16 mode;