Re: [PATCH v3 0/1] hwmon:max6697: Allow max6581 to create tempX_offset

From: Guenter Roeck
Date: Mon Jul 06 2020 - 23:03:26 EST


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(-)
>