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authorNicolas Boichat <drinkcat@chromium.org>2018-01-26 14:37:16 +0800
committerFurquan Shaikh <furquan@google.com>2018-02-07 16:38:14 +0000
commit07fe6184bc1d834377a91bfbe7e796d8027f1f24 (patch)
treef9ae5ad77bdbeb7924a4c768b77fe8cbabd7ab28 /src/mainboard/asrock/e350m1
parent857a38752091ef8adc9926a58beba1f52baa181f (diff)
chromeec: Add support for reading second battery info
We share the same shared memory fields for both batteries. When the host wants to switch battery to read out, it will: - Set BTID (EC_ACPI_MEM_BATTERY_INDEX) to the required index - Wait for BITX (EC_MEMMAP_BATT_INDEX) to have the required value - Then fetch the data BRANCH=none BUG=b:65697620 TEST=Boot lux, both /sys/class/power_supply/BAT0 and BAT1 are present, data is valid. Change-Id: Ib06176e6ab4c45a899259f0917e6292121865ed6 Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-on: https://review.coreboot.org/23598 Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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