From: Wey-Yi Guy Date: Fri, 23 Oct 2009 20:42:20 +0000 (-0700) Subject: iwlwifi: fix gain computation for 5000 series and up X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=065e63b00cf13919010bbeff48f7a120033be448;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git iwlwifi: fix gain computation for 5000 series and up In Rx gain balancing (chain noise) computation for 5000 series and up, the delta gain calculation should use the average noise of default chain, not "chain 0" which do not exist for all the devices. Signed-off-by: Wey-Yi Guy Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 17555c7c1d67..afa88a304158 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -236,7 +236,7 @@ static void iwl5000_gain_computation(struct iwl_priv *priv, data->delta_gain_code[i] = 0; continue; } - delta_g = (1000 * ((s32)average_noise[0] - + delta_g = (1000 * ((s32)average_noise[default_chain] - (s32)average_noise[i])) / 1500; /* bound gain by 2 bits value max, 3rd bit is sign */ data->delta_gain_code[i] =