On Thursday 08 December 2016 15:26:37 Jacek Anaszewski wrote: > Hi Michał, > > Thanks for the patch set. > > On 12/08/2016 01:36 PM, Michał Kępień wrote: > > This patch series moves the dell-led driver from the LED subsystem > > to the x86 platform driver subsystem. I decided to also CC the > > sound subsystem contacts for the whole series as > > sound/pci/hda/dell_wmi_helper.c is also affected. > > > > 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 possibilites 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 > > > > db6d8cc ("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 cf0d7ea ("dell-led: use > > dell_smbios_find_token() for finding mic DMI tokens") and > > 0c41a08 ("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 72dcd8d ("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 basically a WMI driver). > > > > Patches 1-4 clean up the microphone mute LED interface to minimize > > the amount of code moved around. > > > > Patch 5 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 6 reverts dell-led to the state it was in after its initial > > commit 72dcd8d ("leds: Add Dell Business Class Netbook LED > > driver") by removing all remnants of the microphone mute LED > > handling code. > > > > Patch 7 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. > > > > This patch series is based on linux-leds/for-4.11 as the LED > > subsystem is affected by all patches except patch 3. > > > > If anyone reading this has access to a Dell device which has an > > activity LED and/or a microphone mute LED currently supported by > > dell-led, I would love to hear from you as I do not have the > > hardware needed to practically test this patch series. > > I think that it is necessary to find someone who will give their > Tested-by. > > What I can accept immediately is moving the driver in the current > shape to x86 platform drivers. I could expose a stable branch with > that patch for the x86 platform maintainers then. Adding Mario Limonciello from @dell to discussion. Mario, any chance you could be able to test this patch series? > > 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} | 75 > > +++------------------- include/linux/dell-led.h > > | 6 +- sound/pci/hda/dell_wmi_helper.c > > | 18 +++--- 8 files changed, 55 insertions(+), 91 deletions(-) > > rename drivers/{leds/dell-led.c => platform/x86/dell-wmi-led.c} > > (73%) -- Pali Rohár pali.rohar@xxxxxxxxx
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