Re: [PATCH] Input: synaptic - reverting dcb00fc799dc03fd320e123e4c81b3278c763ea5 because it breaks the touchpad for one guy on Reddit.

From: Hans de Goede
Date: Sun Feb 07 2021 - 05:34:11 EST


Hi,

On 2/7/21 11:18 AM, Hans de Goede wrote:
> Hi,
>
> On 2/7/21 4:50 AM, Colton Booth wrote:
>> I can't test myself since I don't have the correct hardware, BUT this change seems to work for him. I'm thinking he has an early version of the X1E which may use slightly different trackpad revision.
>
> Who is "him"? Do you have a bug-report link or some such ?
>
> With which kernel version is this ? Could it be that the commit you are reverting was
> backported to a stable-series release while that stable series is missing the rmi4
> updates necessary to make things work on newer models ?
>
> What are the symptoms / problems "him" is seeing when not reverting this?
>
> On case it is not clear: NACK due to insufficient information why this is
> necessary / missing description and root cause analysis of the actual problem.

p.s.

My apologies if this sounds a bit grumpy, I got out of bed on the wrong side this morning.

Regards,

Hans





>
> Regards,
>
> Hans
>
>
>>
>> Signed-off-by: Colton Booth <colton@xxxxxxxxxxxxxxxx>
>> ---
>> drivers/input/mouse/synaptics.c | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
>> index ffad142801b3..2d3f03921dbc 100644
>> --- a/drivers/input/mouse/synaptics.c
>> +++ b/drivers/input/mouse/synaptics.c
>> @@ -179,9 +179,7 @@ static const char * const smbus_pnp_ids[] = {
>> "LEN0093", /* T480 */
>> "LEN0096", /* X280 */
>> "LEN0097", /* X280 -> ALPS trackpoint */
>> - "LEN0099", /* X1 Extreme Gen 1 / P1 Gen 1 */
>> "LEN009b", /* T580 */
>> - "LEN0402", /* X1 Extreme Gen 2 / P1 Gen 2 */
>> "LEN200f", /* T450s */
>> "LEN2044", /* L470 */
>> "LEN2054", /* E480 */
>>