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ACPI / PMIC: Add opregion driver for Intel Dollar Cove TI PMIC

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This patch adds the opregion driver for Dollar Cove TI PMIC on Intel
Cherry Trail devices.  The patch is based on the original work by
Intel, found at:
      https://github.com/01org/ProductionKernelQuilts
with many cleanups and rewrites.

The driver is currently provided only as built-in to follow other
PMIC opregion drivers convention.

The re-enumeration of devices at probe is required for fixing the
issues on HP x2 210 G2.  See bug#195689.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=193891
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=195689

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Takashi Iwai 2017-09-04 16:43:40 +02:00 • committed by Lee Jones
commit 3137497232
3 changed files with 144 additions and 0 deletions
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