ath9k_hw: Add support to reuse Carrier leak calibration

This patch adds support to reuse Carrier leak calibration
during fast channel change for AR9480 chips.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index e5c458d22c82..446f4d309bec 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -338,6 +338,7 @@ enum ath9k_int {
          CHANNEL_HT40MINUS)
 
 #define MAX_IQCAL_MEASUREMENT   8
+#define MAX_CL_TAB_ENTRY        16
 
 struct ath9k_hw_cal_data {
         u16 channel;
@@ -349,10 +350,12 @@ struct ath9k_hw_cal_data {
         bool nfcal_pending;
         bool nfcal_interference;
         bool done_txiqcal_once;
+        bool done_txclcal_once;
         u16 small_signal_gain[AR9300_MAX_CHAINS];
         u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
         u32 num_measures[AR9300_MAX_CHAINS];
         int tx_corr_coeff[MAX_IQCAL_MEASUREMENT][AR9300_MAX_CHAINS];
+        u32 tx_clcal[AR9300_MAX_CHAINS][MAX_CL_TAB_ENTRY];
         struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
 };