On 7/6/20 6:18 PM, Chu Lin wrote: > 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. > Since this is a single patch, you don't need patch 0. Just add the change log after "---" to the actual patch. Thanks, Guenter > 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@xxxxxxxxxx> > --- > 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(-) >
