[AS9716-32D] Support i2c mux reset #10492
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Why I did it
Prevent from i2c bus to get locked.
How I did it
Add sysfs driver to access ioport.
Command to reset i2c mux:
echo 1 > /sys/devices/platform/as9716_32d_ioport/i2c_mux_rst
Command to bring i2c mux out of reset:
echo 0 > /sys/devices/platform/as9716_32d_ioport/i2c_mux_rst
Signed-off-by: Brandon Chuang <brandon_chuang@edge-core.com>
brandonchuang
requested review from
sujinmkang,
prgeor,
vdahiya12 and
lguohan
as code owners
prgeor
approved these changes
Apr 7, 2022
liushilongbuaa
pushed a commit
to liushilongbuaa/sonic-buildimage
that referenced
this pull request
Jun 20, 2022
Related work items: #49, #58, #107, sonic-net#247, sonic-net#249, sonic-net#277, sonic-net#593, sonic-net#597, sonic-net#1035, sonic-net#2130, sonic-net#2150, sonic-net#2165, sonic-net#2169, sonic-net#2178, sonic-net#2179, sonic-net#2187, sonic-net#2188, sonic-net#2191, sonic-net#2195, sonic-net#2197, sonic-net#2198, sonic-net#2200, sonic-net#2202, sonic-net#2206, sonic-net#2209, sonic-net#2211, sonic-net#2216, sonic-net#7909, sonic-net#8927, sonic-net#9681, sonic-net#9733, sonic-net#9746, sonic-net#9850, sonic-net#9967, sonic-net#10104, sonic-net#10152, sonic-net#10168, sonic-net#10228, sonic-net#10266, sonic-net#10288, sonic-net#10294, sonic-net#10313, sonic-net#10394, sonic-net#10403, sonic-net#10404, sonic-net#10421, sonic-net#10431, sonic-net#10437, sonic-net#10445, sonic-net#10457, sonic-net#10458, sonic-net#10465, sonic-net#10467, sonic-net#10469, sonic-net#10470, sonic-net#10474, sonic-net#10477, sonic-net#10478, sonic-net#10482, sonic-net#10485, sonic-net#10488, sonic-net#10489, sonic-net#10492, sonic-net#10494, sonic-net#10498, sonic-net#10501, sonic-net#10509, sonic-net#10512, sonic-net#10514, sonic-net#10516, sonic-net#10517, sonic-net#10523, sonic-net#10525, sonic-net#10531, sonic-net#10532, sonic-net#10538, sonic-net#10555, sonic-net#10557, sonic-net#10559, sonic-net#10561, sonic-net#10565, sonic-net#10572, sonic-net#10574, sonic-net#10576, sonic-net#10578, sonic-net#10581, sonic-net#10585, sonic-net#10587, sonic-net#10599, sonic-net#10607, sonic-net#10611, sonic-net#10616, sonic-net#10618, sonic-net#10619, sonic-net#10623, sonic-net#10624, sonic-net#10633, sonic-net#10646, sonic-net#10655, sonic-net#10660, sonic-net#10664, sonic-net#10680, sonic-net#10683
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Signed-off-by: Brandon Chuang brandon_chuang@edge-core.com
Why I did it
How I did it
How to verify it
Which release branch to backport (provide reason below if selected)
--> Please merge code to this branch. Some customers need it