Messages in this thread | | | Date | Tue, 7 Jul 2020 01:18:09 +0000 | Subject | [PATCH v3 0/1] hwmon:max6697: Allow max6581 to create tempX_offset | From | Chu Lin <> |
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Per max6581, reg 4d and reg 4e is used for temperature read offset. This patch will let the user specify the temperature read offset for max6581. This patch is tested on max6581 and only applies to max6581.
Testing: echo 16250 > temp2_offset cat temp2_offset 16250
echo 17500 > temp3_offset cat temp3_offset 17500 cat temp4_offset 0 cat temp2_offset 17500
echo 0 > temp2_offset cat temp2_offset 0 cat temp3_offset 17500
echo -0 > temp2_offset cat temp2_offset 0
echo -100000 > temp2_offset cat temp2_input 4875
echo 10000 > temp2_offset cat temp2_input 47125
echo -2000 > temp2_offset cat temp2_input 34875
echo -0 > temp2_offset cat temp2_input 37000
Signed-off-by: Chu Lin <linchuyuan@google.com> --- ChangeLog v2 -> v3: - Use reverse christmas tree order convension - Fix the type issue where comparision is always true - Change the line limit to 100 char instead of 80 char
ChangeLog v1 -> v2: - Simplify the offset reg raw value to milli ceisus conversion - Substitute the temp1_offset with dummy attr - Avoid using double negative in the macro definition - Return the actual error when i2c read/write is failed - clamp the value to MAX or MIN respectively if an out of range input is given - Provide mux protection when multiple i2c accesses is required
Chu Lin (1): hwmon:max6697: Allow max6581 to create tempX_offset attributes
drivers/hwmon/max6697.c | 92 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 88 insertions(+), 4 deletions(-)
-- 2.27.0.383.g050319c2ae-goog
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