[Accton AS7326]: Add lpmode in sfputil.py #2905
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Signed-off-by: brandon_chuang <brandon_chuang@CicadaBuildServer.accton.com.tw>
lguohan
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May 18, 2019
MichelMoriniaux
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May 28, 2019
Signed-off-by: brandon_chuang <brandon_chuang@CicadaBuildServer.accton.com.tw>
yxieca
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…lly (#16532) src/sonic-swss * de7186c6 - (HEAD -> 202205, origin/202205) [202205][CodeQL]: Use dependencies with relevant versions in azp template. (#2905) (13 days ago) [Nazarii Hnydyn] * 106dd9ed - [CodeQL]: Use dependencies with relevant versions in azp template. (#2845) (3 weeks ago) [Nazarii Hnydyn]
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CPU: Intel Broadwell-DE XeonD-1518 1.6G 4 Core
MAC: Broadcom Trident3 BCM56873
BMC: None
What I did
Add lpmode in sfputil.py for as7326-56x.
How I did it
Implement get_low_power_mode/set_low_power_mode in sfputil.py
How to verify it
sfputil show lpmode
sfputil lpmode off
sfputil lpmode on
Description for the changelog
Access eeprom from transceiver to get/set lpmode status
If "Power override" bit is not set, return the H/W pin status depended on H/W design.
For as7326-56x, this pin is pulled high which is Low Power Mode.
If "Power override" bit is set, retrun the S/W lpmode status read from eeprom.
Below is the Power Mode Truth Table defined in sff-8436
LPMode_Pin Power_overide_Bit Power_set_Bit Module_Power_Allowed
1 0 X Low Power
0 0 X High Power
X 1 1 Low Power
X 1 0 High Power