Added a new config CONFIG_SATA_ZPODD, which is used to support
SATA based zero power ODD(ZPODD), and depends on ATA_ACPI.

Signed-off-by: Aaron Lu <aaron...@intel.com>
---
 drivers/ata/Kconfig  | 13 +++++++++++++
 drivers/ata/Makefile |  1 +
 2 files changed, 14 insertions(+)

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index e08d322..996d16c 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -58,6 +58,19 @@ config ATA_ACPI
          You can disable this at kernel boot time by using the
          option libata.noacpi=1
 
+config SATA_ZPODD
+       bool "SATA Zero Power ODD Support"
+       depends on ATA_ACPI
+       default n
+       help
+         This option adds support for SATA ZPODD. It requires both
+         ODD and the platform support, and if enabled, will automatically
+         power on/off the ODD when certain condition is satisfied. This
+         does not impact user's experience of the ODD, only power is saved
+         when ODD is not in use(i.e. no disc inside).
+
+         If unsure, say N.
+
 config SATA_PMP
        bool "SATA Port Multiplier support"
        default y
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 9329daf..85e3de4 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -107,3 +107,4 @@ libata-y    := libata-core.o libata-scsi.o libata-eh.o 
libata-transport.o
 libata-$(CONFIG_ATA_SFF)       += libata-sff.o
 libata-$(CONFIG_SATA_PMP)      += libata-pmp.o
 libata-$(CONFIG_ATA_ACPI)      += libata-acpi.o
+libata-$(CONFIG_SATA_ZPODD)    += libata-zpodd.o
-- 
1.7.11.7

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