diff options
Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00/002-v6.7-wifi-rt2x00-fix-MT7620-low-RSSI-issue.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/002-v6.7-wifi-rt2x00-fix-MT7620-low-RSSI-issue.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/002-v6.7-wifi-rt2x00-fix-MT7620-low-RSSI-issue.patch b/package/kernel/mac80211/patches/rt2x00/002-v6.7-wifi-rt2x00-fix-MT7620-low-RSSI-issue.patch new file mode 100644 index 00000000000..ffb66559d17 --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/002-v6.7-wifi-rt2x00-fix-MT7620-low-RSSI-issue.patch @@ -0,0 +1,43 @@ +From 2ecfe6f07e8e6257cad3d3290c5aec2102120041 Mon Sep 17 00:00:00 2001 +From: Shiji Yang <yangshiji66@outlook.com> +Date: Sat, 23 Sep 2023 09:01:01 +0800 +Subject: wifi: rt2x00: fix MT7620 low RSSI issue + +On Mediatek vendor driver[1], MT7620 (RT6352) uses different RSSI +base value '-2' compared to the other RT2x00 chips. This patch +introduces the SoC specific base value to fix the low RSSI value +reports on MT7620. + +[1] Found on MT76x2E_MT7620_LinuxAP_V3.0.4.0_P3 ConvertToRssi(). + +Signed-off-by: Shiji Yang <yangshiji66@outlook.com> +Acked-by: Stanislaw Gruszka <stf_xl@wp.pl> +Signed-off-by: Kalle Valo <kvalo@kernel.org> +Link: https://lore.kernel.org/r/TYAP286MB031571CDB146C414A908A66DBCFEA@TYAP286MB0315.JPNP286.PROD.OUTLOOK.COM +--- + drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 7 ++++--- + 1 file changed, 4 insertions(+), 3 deletions(-) + +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -856,6 +856,7 @@ static int rt2800_agc_to_rssi(struct rt2 + s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0); + s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1); + s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2); ++ s8 base_val = rt2x00_rt(rt2x00dev, RT6352) ? -2 : -12; + u16 eeprom; + u8 offset0; + u8 offset1; +@@ -880,9 +881,9 @@ static int rt2800_agc_to_rssi(struct rt2 + * If the value in the descriptor is 0, it is considered invalid + * and the default (extremely low) rssi value is assumed + */ +- rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128; +- rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128; +- rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128; ++ rssi0 = (rssi0) ? (base_val - offset0 - rt2x00dev->lna_gain - rssi0) : -128; ++ rssi1 = (rssi1) ? (base_val - offset1 - rt2x00dev->lna_gain - rssi1) : -128; ++ rssi2 = (rssi2) ? (base_val - offset2 - rt2x00dev->lna_gain - rssi2) : -128; + + /* + * mac80211 only accepts a single RSSI value. Calculating the |