A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-07 12:25:00 -04:00
Code Issues Projects Releases Packages Wiki Activity

qcacld-3.0: Fix to halve tx power received from TPE IE

Browse source 
AP advertises TPE IE Tx power as 8-bit unsigned int. STA
needs to convert it into an 8-bit 2s complement signed
integer in the range –64 dBm to 63 dBm with a 0.5 dB step.
Thus, halve the tx power received from AP's TPE IE.

Change-Id: Ibd3227a2f11f230b164af3c65a65f5e61879e25d
CRs-Fixed: 3313617
This commit is contained in:
Krupali Dhanvijay 2023-09-08 12:22:10 +05:30 • committed by Rahul Choudhary
commit 561efdbc5c
1 changed files with 9 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

11
core/mac/src/pe/lim/lim_process_sme_req_messages.c
View file

@ -2033,7 +2033,7 @@ void lim_calculate_tpc(struct mac_context *mac,
qdf_freq_t oper_freq, start_freq = 0;
struct ch_params ch_params;
struct vdev_mlme_obj *mlme_obj;
uint8_t tpe_power;
int8_t tpe_power;
bool skip_tpe = false;
mlme_obj = wlan_vdev_mlme_get_cmpt_obj(session->vdev);
@ -2156,7 +2156,14 @@ void lim_calculate_tpc(struct mac_context *mac,
tpe_power = mlme_obj->reg_tpc_obj.eirp_power;
else
tpe_power = mlme_obj->reg_tpc_obj.tpe[i];
max_tx_power = QDF_MIN(max_tx_power, (int8_t)tpe_power);
/**
* AP advertises TPE IE tx power as 8-bit unsigned int.
* STA needs to convert it into an 8-bit 2s complement
* signed integer in the range –64 dBm to 63 dBm with a
* 0.5 dB step
*/
tpe_power /= 2;
max_tx_power = QDF_MIN(max_tx_power, tpe_power);
pe_debug("TPE: %d", tpe_power);
}