Takashi Iwai 804e73adf5 ASoC: rt5670: Fix GPIO headset detection regression
RT5670 codec driver and its machine driver for Intel CHT assume the
implicit GPIO mapping on the index 0 while BIOS on most devices don't
provide it.  The recent commit f10e4bf6632b ("gpio: acpi: Even more
tighten up ACPI GPIO lookups") restricts such cases and it resulted in
a regression where the headset jack setup fails like:

  rt5670 i2c-10EC5672:00: ASoC: Cannot get gpio at index 0: -2
  rt5670 i2c-10EC5672:00: Adding jack GPIO failed

For fixing this, we need to provide the GPIO mapping explicitly in the
machine driver.  Also this patch corrects the string to be passed to
gpiolib to match with the pre-given mapping, too.

Fixes: f10e4bf6632b ("gpio: acpi: Even more tighten up ACPI GPIO lookups")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=115531
Reported-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-22 13:48:34 +01:00
2017-07-13 13:37:57 -07:00
2017-07-14 11:01:38 +10:00
2017-07-15 15:22:10 -07:00

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
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See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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