Re: [v2] input: wacom - Pass touch resolution to clients through input_absinfo

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On Tue, Jan 25, 2011 at 2:02 AM, Henrik Rydberg <rydberg@xxxxxxxxxxx> wrote:
> On Mon, Jan 24, 2011 at 11:06:13PM -0000, Ping Cheng wrote:
>> Fixed the workaround used for kernels older than 2.6.35.
>>
>> Signed-off-by: Ping Cheng <pingc@xxxxxxxxx>
>>
>> ---
>> drivers/input/tablet/wacom_wac.c |   12 ++++++++++--
>>  1 files changed, 10 insertions(+), 2 deletions(-)
>
> A define or a function would have been nicer than "100", but since
> this wasn't obvious from the comments,

I'll make a version 3 to add a function with comments since I need to
remove RX/RY from this patch anyway.

> Reviewed-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>

Thank you.

Ping
>
> Thanks,
> Henrik
>
>>
>> diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
>> index f44c822..12d5ccf 100644
>> --- a/drivers/input/tablet/wacom_wac.c
>> +++ b/drivers/input/tablet/wacom_wac.c
>> @@ -1228,8 +1228,11 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
>>       case TABLETPC:
>>               if (features->device_type == BTN_TOOL_DOUBLETAP ||
>>                   features->device_type == BTN_TOOL_TRIPLETAP) {
>> -                     input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0);
>> -                     input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0);
>> +                     /* set touch resolution in points/mm */
>> +                     input_abs_set_res(input_dev, ABS_X,
>> +                             100 * features->x_max / features->x_phy);
>> +                     input_abs_set_res(input_dev, ABS_Y,
>> +                             100 * features->y_max / features->y_phy);
>>                       __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
>>               }
>>
>> @@ -1272,6 +1275,11 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
>>                       input_set_abs_params(input_dev, ABS_MT_PRESSURE,
>>                                            0, features->pressure_max,
>>                                            features->pressure_fuzz, 0);
>> +                     /* set touch resolution in points/mm */
>> +                     input_abs_set_res(input_dev, ABS_X,
>> +                             100 * features->x_max / features->x_phy);
>> +                     input_abs_set_res(input_dev, ABS_Y,
>> +                             100 * features->y_max / features->y_phy);
>>               } else if (features->device_type == BTN_TOOL_PEN) {
>>                       __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
>>                       __set_bit(BTN_TOOL_PEN, input_dev->keybit);
>
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