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Re: [PATCH v7 2/4] wifi: ath12k: add BIOS SAR capability for WCN7850

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On 10/13/2023 4:44 AM, Lingbo Kong wrote:
Currently, ath12k does not support BIOS SAR for WCN7850. In order to enable
BIOS SAR for WCN7850, ath12k gets BIOS SAR table and GEO offset table in
ath12k_acpi_dsm_get_data() function, then sets pdev_id, length of data, and
finally sends these data and WMI_PDEV_SET_BIOS_SAR_TABLE_CMDID and
WMI_PDEV_SET_BIOS_GEO_TABLE_CMDID to firmware to implement BIOS SAR during
the initialization phase. Besides, ath12k registers an ACPI event callback
so that ACPI can notify ath12k to get the updated BIOS SAR table and sends
it to firmware when the device state is changed.

Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4

Signed-off-by: Lingbo Kong <quic_lingbok@xxxxxxxxxxx>

Verified ath12k-check

Acked-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>






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