diff options
| author | Ming Yen Hsieh <mingyen.hsieh@mediatek.com> | 2024-01-11 09:18:56 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2024-02-22 11:55:19 +0300 |
| commit | 926f9fb7df9edd94b13bb8b5c6d5ee12d94e3429 (patch) | |
| tree | a57d7727df0a343a8ec0f58c80aca57b8ddce14c /drivers/net/wireless/mediatek/mt76 | |
| parent | 1f01276b7ab8e9af348bb8fe70613746867e763d (diff) | |
| download | linux-926f9fb7df9edd94b13bb8b5c6d5ee12d94e3429.tar.xz | |
wifi: mt76: mt792x: add the illegal value check for mtcl table of acpi
The mtcl table provided regulatory information for 5.9/6Ghz channels and
configured by platform venders. So, sometimes vendors may write illegal
values, and therefore it is necessary to check and add corresponding
handling for such cases.
Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt792x_acpi_sar.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_acpi_sar.c b/drivers/net/wireless/mediatek/mt76/mt792x_acpi_sar.c index e7afea87e82e..c64562216caa 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x_acpi_sar.c +++ b/drivers/net/wireless/mediatek/mt76/mt792x_acpi_sar.c @@ -353,11 +353,15 @@ static u8 mt792x_acpi_get_mtcl_map(int row, int column, struct mt792x_asar_cl *cl) { u8 config = 0; + u8 mode_6g, mode_5g9; - if (cl->cl6g[row] & BIT(column)) - config |= (cl->mode_6g & 0x3) << 2; + mode_6g = (cl->mode_6g > 0x02) ? 0 : cl->mode_6g; + mode_5g9 = (cl->mode_5g9 > 0x01) ? 0 : cl->mode_5g9; + + if ((cl->cl6g[row] & BIT(column)) || cl->mode_6g == 0x02) + config |= (mode_6g & 0x3) << 2; if (cl->version > 1 && cl->cl5g9[row] & BIT(column)) - config |= (cl->mode_5g9 & 0x3); + config |= (mode_5g9 & 0x3); return config; } |