[SRU][Xenial][Yakkety][PATCH 1/1] UBUNTU: [Config] CONFIG_PINCTRL_CHERRYVIEW=y

Joseph Salisbury joseph.salisbury at canonical.com
Tue Dec 13 21:37:38 UTC 2016


On 12/13/2016 03:09 PM, Joseph Salisbury wrote:
> On 12/13/2016 03:04 PM, Tim Gardner wrote:
>> On 12/13/2016 12:51 PM, Joseph Salisbury wrote:
>>> BugLink: http://bugs.launchpad.net/bugs/1630238
>>>
>>> CONFIG_PINCTRL_CHERRYVIEW=y (must be y, not m) in addition to CONFIG_TOUCHSCREEN_ELAN to get the touchscreen working on CYAN.
>>> The change of Intel related PINCTRLs (specifically the CHERRYVIEW one) to m instead of y causes at least the touchscreen regression.
>>>
>>> Signed-off-by: Joseph Salisbury <joseph.salisbury at canonical.com>
>>> ---
>>>  debian.master/config/config.common.ubuntu | 4 ++--
>>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/debian.master/config/config.common.ubuntu b/debian.master/config/config.common.ubuntu
>>> index 73bf67f..41c481f 100644
>>> --- a/debian.master/config/config.common.ubuntu
>>> +++ b/debian.master/config/config.common.ubuntu
>>> @@ -5917,7 +5917,7 @@ CONFIG_PINCTRL_BCM2835=y
>>>  CONFIG_PINCTRL_BERLIN=y
>>>  CONFIG_PINCTRL_BERLIN_BG4CT=y
>>>  CONFIG_PINCTRL_BROXTON=m
>>> -CONFIG_PINCTRL_CHERRYVIEW=m
>>> +CONFIG_PINCTRL_CHERRYVIEW=y
>>>  CONFIG_PINCTRL_DOVE=y
>>>  CONFIG_PINCTRL_EXYNOS=y
>>>  CONFIG_PINCTRL_EXYNOS5440=y
>>> @@ -8181,7 +8181,7 @@ CONFIG_TOUCHSCREEN_EDT_FT5X06=m
>>>  CONFIG_TOUCHSCREEN_EETI=m
>>>  CONFIG_TOUCHSCREEN_EGALAX=m
>>>  CONFIG_TOUCHSCREEN_EGALAX_SERIAL=m
>>> -CONFIG_TOUCHSCREEN_ELAN=m
>>> +CONFIG_TOUCHSCREEN_ELAN=y
>>>  CONFIG_TOUCHSCREEN_ELO=m
>>>  CONFIG_TOUCHSCREEN_FT6236=m
>>>  CONFIG_TOUCHSCREEN_FUJITSU=m
>>>
>> Do we really need to build these drivers into all architectures ? And
>> can we get by with only building in PINCTRL_CHERRYVIEW on amd64 whilst
>> leaving CONFIG_TOUCHSCREEN_ELAN=m ?
>>
>> rtg
> This bug has only been reported against amd64, so that architecture is
> the only one that needs it.  I'll build a test kernel with
> CONFIG_TOUCHSCREEN_ELAN set to m instead of y and see if it still
> resolves the bug.
>
>
> Joe
>
>
I found that the kernel will not build if I do not set
CONFIG_TOUCHSCREEN_ELAN to y after setting CONFIG_PINCTRL_CHERRYVIEW to y.





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