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wifi: rtw89: acpi: process 6 GHz SP policy from ACPI DSM

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Realtek ACPI DSM func 7, RTW89_ACPI_DSM_FUNC_6GHZ_SP_SUP, accepts a format
via ACPI buffer as below.

| index | description                      |
--------------------------------------------
| [0-3] | signature                        |
| [4]   | revision                         |
| [5]   | override driver settings, or not |
| [6]   | configuration if override        |
| [7]   | reserved                         |

	where field of [6] is a bitmap by country,
	and for now, only define BIT(0) is for US.

Through this function with overriding, BIOS can indicate to allow/block
6 GHz SP power by country.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://msgid.link/20240412115729.8316-8-pkshih@realtek.com
This commit is contained in:
Zong-Zhe Yang 2024-04-12 19:57:28 +08:00 • committed by Ping-Ke Shih
commit d03aeddf34
2 changed files with 61 additions and 0 deletions
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