Re: [PATCH v3 0/7] Move dell-led to drivers/platform/x86

From: Jacek Anaszewski
Date: Fri Feb 17 2017 - 17:16:25 EST


Hi MichaÅ,

Thanks for collecting relevant credits.
I've applied the patchset to the for-4.12 branch of linux-leds.git.

Best regards,
Jacek Anaszewski

On 02/17/2017 08:57 AM, MichaÅ KÄpieÅ wrote:
> This patch series moves the dell-led driver from the LED subsystem to
> the x86 platform driver subsystem.
>
> The original motivation behind this effort was to move all code using
> the dell-smbios module to the x86 platform driver subsystem. While I
> was investigating the possibilities to do that, it quickly emerged that
> dell-led can and in fact should be moved to the x86 platform driver
> subsystem in its entirety.
>
> dell-led consists of two major parts:
>
> - the part exposing a microphone mute LED interface, introduced in
> db6d8cc00773 ("dell-led: add mic mute led interface"); this
> interface is used by sound/pci/hda/dell_wmi_helper.c; while the
> original implementation used a WMI interface, it was changed to use
> dell-smbios in cf0d7ea33596 ("dell-led: use dell_smbios_find_token()
> for finding mic DMI tokens") and 0c41a08e131d ("dell-led: use
> dell_smbios_send_request() for performing SMBIOS calls"),
>
> - the part handling an activity LED present in Dell Latitude 2100
> netbooks, introduced in 72dcd8d08aca ("leds: Add Dell Business Class
> Netbook LED driver"); it binds to a specific WMI GUID and then
> registers a LED device which is controlled using WMI (i.e. it is
> essentially a WMI driver).
>
> Patches 1 and 2 clean up the microphone mute LED interface to minimize
> the amount of code moved around.
>
> Patch 3 updates a variable name in sound/pci/hda/dell_wmi_helper.c so
> that it better matches that variable's role.
>
> Patch 4 moves the microphone mute LED interface to
> drivers/platform/x86/dell-laptop.c, effectively causing
> sound/pci/hda/dell_wmi_helper.c to depend on CONFIG_DELL_LAPTOP instead
> of CONFIG_LEDS_DELL_NETBOOKS.
>
> Patch 5 reverts dell-led to the state it was in after its initial commit
> 72dcd8d08aca ("leds: Add Dell Business Class Netbook LED driver") by
> removing all remnants of the microphone mute LED handling code.
>
> Patch 6 moves all that is left of dell-led (i.e. the activity LED part,
> as originally implemented), to a new module which is placed in
> drivers/platform/x86/dell-wmi-led.c.
>
> Patch 7 fixes coding style issues in drivers/platform/x86/dell-wmi-led.c
> to make sure it gets a clean start in the x86 platform driver subsystem.
>
> As all patches except patch 3 in this series affect the LED subsystem,
> the series is based on linux-leds/for-next.
>
> Changes from v2:
>
> - Add patch 7 fixing coding style issues (feedback from Joe and Andy
> taken into account).
>
> - Add leading zero to constants in patch 4.
>
> - Move dell-led.h include one line higher in patch 4.
>
> Changes from v1:
>
> - Squash patches 2-4 from v1 into a single patch (#2 in v2).
>
> - Add patch 3.
>
> - Fix subject pattern in patch 4.
>
> - Slight commit message adjustments, including fixing a typo
> ("COFIG_LEDS_DELL_NETBOOKS") in patch 6.
>
> - Remove the name of the module's source file from the header comment
> in drivers/platform/x86/dell-wmi-led.c to avoid the need to update
> it in the future.
>
> drivers/leds/Kconfig | 9 --
> drivers/leds/Makefile | 1 -
> drivers/platform/x86/Kconfig | 8 ++
> drivers/platform/x86/Makefile | 1 +
> drivers/platform/x86/dell-laptop.c | 28 ++++
> .../dell-led.c => platform/x86/dell-wmi-led.c} | 141 +++++----------------
> include/linux/dell-led.h | 6 +-
> sound/pci/hda/dell_wmi_helper.c | 30 ++---
> 8 files changed, 86 insertions(+), 138 deletions(-)
> rename drivers/{leds/dell-led.c => platform/x86/dell-wmi-led.c} (56%)
>