Re: [PATCH 0/2] platform/x86: lenovo-wmi-capdata: Add debugfs file for dumping capdata

[Rong Zhang]

Hi all,

On Thu, 2026-03-26 at 02:15 +0800, Rong Zhang wrote:
> Hi all,
> 
> Gentle ping :-)

Sorry for disturbing.

This series will be integrated into Derek's series as they will
conflict once the latter adopts another fix patch.

See the discussion at
https://lore.kernel.org/r/861d0276a759461be446df8e996d196037c9b581.camel@xxxxxxxx/

The fix patch is
https://lore.kernel.org/r/20260326161724.72186-1-i@xxxxxxxx/

Thanks,
Rong

> 
> Thanks,
> Rong
> 
> On Wed, 2026-02-11 at 03:19 +0800, Rong Zhang wrote:
> > The Lenovo GameZone/Other interfaces have some delicate divergences
> > among different devices. When making a bug report or adding support for
> > new devices/interfaces, capdata is the most important information to
> > cross-check with.
> > 
> > Add a debugfs file (lenovo_wmi/<device_name>/capdata), so that users can
> > dump capdata and include it in their reports.
> > 
> > The output is like:
> > 
> >   LENOVO_CAPABILITY_DATA_00[0]:
> >     id:             0x00010000 [dev:  0, feat:  1, mode:  0, type:  0]
> >     supported:      0x00000007 [ RWV]
> >     default_value:  0
> > 
> >   LENOVO_CAPABILITY_DATA_01[0]:
> >     id:             0x00000000 [dev:  0, feat:  0, mode:  0, type:  0]
> >     supported:      0x00000000 [    ]
> >     default_value:  0
> >     step:           0
> >     min_value:      0
> >     max_value:      0
> > 
> >   LENOVO_FAN_TEST_DATA[0]:
> >     id:             1
> >     min_rpm:        2200
> >     max_rpm:        5000
> > 
> > A helper function for creating per-devcie debugfs directories is also
> > introduced into lenovo-wmi-helpers in order that we can maintain a tidy
> > directory structure in debugfs.
> > 
> > The series is based on platform-drivers-x86/review-ilpo-next since it
> > depends on a commit there. I am OK to wait until the next cycle.
> > 
> > Rong Zhang (2):
> >   platform/x86: lenovo-wmi-helpers: Add helper for creating per-device
> >     debugfs dir
> >   platform/x86: lenovo-wmi-capdata: Add debugfs file for dumping capdata
> > 
> >  drivers/platform/x86/lenovo/Kconfig       |   1 +
> >  drivers/platform/x86/lenovo/wmi-capdata.c | 121 ++++++++++++++++++++++
> >  drivers/platform/x86/lenovo/wmi-capdata.h |   4 +-
> >  drivers/platform/x86/lenovo/wmi-helpers.c |  34 ++++++
> >  drivers/platform/x86/lenovo/wmi-helpers.h |   2 +
> >  5 files changed, 159 insertions(+), 3 deletions(-)
> > 
> > 
> > base-commit: 5a5203a45b063a594e89a2aeaf9e4923893a5b4c