touchscreen:virtio touchscreen enhancement

do not kick at each add_buf

Signed-off-by: GiWoong Kim <giwoong.kim@samsung.com>

touchscreen: added virtqueue_kick to virtio-touchscreen

invoke kick after one or more virtqueue_add_buf calls

Signed-off-by: GiWoong Kim <giwoong.kim@samsung.com>

touchscreen: modified the token when virtqueue_add_buf

changed the token identifying the buffer in virtio-touchscreen when expose buffer to other end

Signed-off-by: GiWoong Kim <giwoong.kim@samsung.com>

touchscreen: multitouch protocol covert to B in virtio touchscreen

previous protocol is A. This will be deprecated soon.

Signed-off-by: GiWoong Kim <giwoong.kim@samsung.com>

touchscreen: virtio touchscreen without the kick

put multiple buf into virtqueue

Signed-off-by: GiWoong Kim <giwoong.kim@samsung.com>

Merge branch 'release' into develop

Conflicts:
package/pkginfo.manifest

[Title] modified subsystem device id of virtio touchscreen
[Type] enhancement
[Module] Emulator / touch
[Priority]
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution] 11
[TestCase]

[Title] pkg version up
[Type] release
[Module] Emulator
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution] 1.3.17
[TestCase]

[Title] using input_mt_report_slot_state func in usb touchscreen
[Type] enhancement
[Module] Emulator / touch
[Priority] minor
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] modified usb touchscreen file name
[Type] enhancement
[Module] Emualtor / touch
[Priority] minor
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] multitouch protocol coverted to B in usb touchscreen
[Type] feature
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause] previous protocol is A
[Solution]
[TestCase]

[Title] pkg version up
[Type] release
[Module] Emulator
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution] 1.3.16
[TestCase]

[Title] add mutex routine into virtio-gl
[Type] bug fix
[Module] emulator-kernel / opengl
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Merge branch 'release' into develop

Conflicts:
drivers/maru/maru_codec.c
package/pkginfo.manifest

[Title] Package version up to 1.3.15
[Type]
[Module]
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] fixed a bug : failed to streamoff & added error logs
[Type] Bugfix
[Module] Emulator / Camera
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] enable kernel debuging info.
[Type]
[Module] emulator-kernel / configuration
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] does not sync between lock and unlock routine.
[Type] bug fix
[Module] emulator kernel / codec
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] added some log to usb touchscreen
[Type] enhancement
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] added some log to usb touchscreen
[Type] enhancement
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] register for virtio touchscreen as input device
[Type] feature
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] update package version.
[Type]
[Module]
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] change a way to use device memory of codec module and souce clean-up
[Type] enhancement
[Module] emulator / codec
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] change a way to use device memory of codec module and souce clean-up
[Type] enhancement
[Module] emulator / codec
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title]version up for packge build
[Type]Enhancement
[Module]emulator-kernel
[Priority]  // Importance : Critical / Major / Minor
[Jira#] // Jira Issue Number
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

[Title]add kernel node for min_brightness
[Type]Bugfix
[Module]emulator-kernel
[Priority]Critical
[Jira#]N_SE-5689
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

[Title]add kernel node for min_brightness
[Type]Bugfix
[Module]emulator-kernel
[Priority]Critical
[Jira#]N_SE-5689
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

[Title] register for virtio touchscreen as input device
[Type] feature
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] version up
[Type] release
[Module] Emulator
[Priority]
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution] 1.3.10
[TestCase]

[Title] modified usb touchscreen device name
[Type] feature
[Module] Emulator / touch
[Priority] minor
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] init the virtio touchscreen driver
[Type] feature
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] modified usb touchscreen device name
[Type] feature
[Module] Emulator / touch
[Priority] minor
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] init the virtio touchscreen driver
[Type] feature
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title]version up
[Type]
[Module]
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] version up to 1.3.8
[Type]
[Module] emulator-kernel
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] fixed a bug that failed re-open the device.
[Type] Bugfix
[Module] Emulator / Camera
[Priority] Critical
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] fixed a bug that failed driver initialization.
[Type] Bugfix
[Module] Emulator / Camera, Overlay
[Priority] Critical
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title]version up for dibs build
[Type]  // Commit Type: Feature / Bugfix / Enhancement
[Module] // Module Name - (Main / Sub)
[Priority]  // Importance : Critical / Major / Minor
[Jira#] // Jira Issue Number
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

[Title] added virtio touchscreen skeleton driver
[Type] feature
[Module] Emulator / touch
[Priority] marjo
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Merge branch 'private-develop' into develop

[Title] Complementary code & Adjust the coding convention - overlay
[Type] BugFix & Enhancement
[Module] Emulator / Overlay device driver
[Priority] Minor
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Adjust the coding convention - camera
[Type] Enhancement
[Module] Emulator / Camera device driver
[Priority] Minor
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] modify source according to kernel coding style.
[Type]
[Module] emulator-kernel / codec
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Upgrade codec module as async i/o and modify source according to coding convention.
[Type] enhancement
[Module] emulator / codec
[Priority] major
[CQ#]
[Redmine#] Interal Issue.
[Problem] While testing HTML5 VideoTag, emulator could be locked up.
[Cause] sychronous i/o and use fixed offset for mapped memory.
[Solution] async i/o and flexible offset.
[TestCase]

[Title]bug fixed unexpectedly stop of telephony-daemon
[Type]Bugfix
[Module]emulator-kernel vdpram
[Priority]Major
[Jira#]N_SE-6670 etc.
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

[Title] Patch the lastest smack feature since kernel 3.4.
[Type] enhancement
[Module] emulator-kernel / Smack
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Merge "[Title] support multi-touch up to 6 [Type] feature [Module] Emulator / touch [Priority] major [Jira#] [Redmine#] [Problem] [Cause] [Solution] [TestCase]" into develop

[Title] support multi-touch up to 6
[Type] feature
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title]modifird default battery level
[Type]Enhancement
[Module]emulator-kernel
[Priority]Major
[Jira#] // Jira Issue Number
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

[Title]modified default value of battery charge full node
[Type]Bugfix
[Module]emulator-kernel
[Priority]Major
[Jira#]N_SE-5470
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

[Title] support windows-64 and update package version.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] skips the interrupts that does not correspond to camera device.
[Type] bug fix
[Module] emulator-kernel / camera
[Priority] major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] dibs build script was wrong.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem] emulator-kernel image cannot be installed in the fixed directory.
[Cause]
[Solution]
[TestCase]

[Title] ubuntu-64 version was missing.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Modify OS name for dibs script beause the rules have been changed.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] modify dibs scripts because dibs rules have been changed.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] modify build script for dibs to support new sdk directory.
[Type]
[Module] emulator-kernel / dibs
[Priority] normal
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] version update to 1.1.21
[Type]
[Module] emulator-kernel / dibs
[Priority] normal
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] support windows-64 and update package version.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] skips the interrupts that does not correspond to camera device.
[Type] bug fix
[Module] emulator-kernel / camera
[Priority] major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Squashed commit of the following:

commit 3969b74000d15f02e5699f6547289d67614a4739
Author: Kitae Kim <kt920.kim@samsung.com>
Date:   Fri Jul 20 22:39:40 2012 +0900

    [Title] dibs build script was wrong.
    [Type]
    [Module] emulator-kernel / dibs
    [Priority]
    [CQ#]
    [Redmine#]
    [Problem] emulator-kernel image cannot be installed in the fixed directory.
    [Cause]
    [Solution]
    [TestCase]

commit 5b491dac27630aefa2fcdb64e42c2cdad3773d8a
Author: Kitae Kim <kt920.kim@samsung.com>
Date:   Thu Jul 19 16:20:05 2012 +0900

    [Title] ubuntu-64 version was missing.
    [Type]
    [Module] emulator-kernel / dibs
    [Priority]
    [CQ#]
    [Redmine#]
    [Problem]
    [Cause]
    [Solution]
    [TestCase]

commit 9d49df8cd26569a7eedb4256142e3ce29e290a30
Author: Kitae Kim <kt920.kim@samsung.com>
Date:   Thu Jul 19 15:59:08 2012 +0900

    [Title] Modify OS name for dibs script beause the rules have been changed.
    [Type]
    [Module] emulator-kernel / dibs
    [Priority]
    [CQ#]
    [Redmine#]
    [Problem]
    [Cause]
    [Solution]
    [TestCase]

commit 6d128e0cdbbda2fb8cf61523fb8b49e5f6f40c01
Author: Kitae Kim <kt920.kim@samsung.com>
Date:   Thu Jul 19 12:05:17 2012 +0900

    [Title] modify dibs scripts because dibs rules have been changed.
    [Type]
    [Module] emulator-kernel / dibs
    [Priority]
    [CQ#]
    [Redmine#]
    [Problem]
    [Cause]
    [Solution]
    [TestCase]

commit 413057febd0068c8850c21926352a3dfb2119fd5
Author: Kitae Kim <kt920.kim@samsung.com>
Date:   Wed Jul 18 22:12:52 2012 +0900

    [Title] modify build script for dibs to support new sdk directory.
    [Type]
    [Module] emulator-kernel / dibs
    [Priority] normal
    [CQ#]
    [Redmine#]
    [Problem]
    [Cause]
    [Solution]
    [TestCase]

commit 55400838d5577eb9fd03de659a1e320aa116d646
Author: Sooyoung Ha <yoosah.ha@samsung.com>
Date:   Fri Jul 13 15:04:02 2012 +0900

    [Title] version update to 1.1.21
    [Type]
    [Module] emulator-kernel / dibs
    [Priority] normal
    [CQ#]
    [Redmine#]
    [Problem]
    [Cause]
    [Solution]
    [TestCase]

commit 800e55180e09e6b3265cebfb6b6259f227ead864
Merge: c2279d6 4a42fac
Author: Sooyoung Ha <yoosah.ha@samsung.com>
Date:   Fri Jul 13 15:01:44 2012 +0900

    Merge branch 'internal_release' into develop

Merge "[Title] solved sink problem of codec module when codec driver has been closed and source clean-up. [Type] bug fix [Module] emulator-kernel / codec [Priority] Major [CQ#] N_SE-2257, N_SE-2499 [Redmine#] [Problem] the previous version has a sink problem between codec driver and device. [Cause] emulator has lock-up problem when event injector sends sms events to it continously. [Solution] exception handling routine was missing in the release operation of codec driver. [TestCase]" into develop

[Title] dibs build script was wrong.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem] emulator-kernel image cannot be installed in the fixed directory.
[Cause]
[Solution]
[TestCase]

[Title] ubuntu-64 version was missing.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Modify OS name for dibs script beause the rules have been changed.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] modify dibs scripts because dibs rules have been changed.
[Type]
[Module] emulator-kernel / dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] modify build script for dibs to support new sdk directory.
[Type]
[Module] emulator-kernel / dibs
[Priority] normal
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] version update to 1.1.21
[Type]
[Module] emulator-kernel / dibs
[Priority] normal
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Merge branch 'internal_release' into develop

[Title] solved sink problem of codec module when codec driver has been closed and source clean-up.
[Type] bug fix
[Module] emulator-kernel / codec
[Priority] Major
[CQ#] N_SE-2257, N_SE-2499
[Redmine#]
[Problem] the previous version has a sink problem between codec driver and device.
[Cause] emulator has lock-up problem when event injector sends sms events to it continously.
[Solution] exception handling routine was missing in the release operation of codec driver.
[TestCase]

[Title] solved sink problem of codec module when codec driver has been closed.
[Type] bug fix
[Module] emulator-kernel / codec
[Priority] Major
[CQ#] N_SE-2257, N_SE-2499
[Redmine#]
[Problem] the previous version has a sink problem between codec driver and device.
[Cause] emulator has lock-up problem when event injector sends sms events to it continously.
[Solution] exception handling routine was missing in the release operation of codec driver.
[TestCase]

[Title] disable IPv6 protocol configuration.
[Type]
[Module] emulator-kernel / network
[Priority] normal
[CQ#]
[Redmine#]
[Problem] The IPv6 protocol is not neccessary in emulator.
[Cause]
[Solution]
[TestCase]

[Title] update package version.
[Type]
[Module] emulator-kernel / dibs
[Priority] normal
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] increase the max touch tracking id
[Type] feature
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution] 2 -> 3
[TestCase]

[Title] update package version.
[Type]
[Module] emulator-kernel/dibs
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] fixed release event when multitouching
[Type] bugfix
[Module] touchscreen driver
[Priority] major
[Jira#] N_SE-1894
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Update package version to 1.1.17
[Type]
[Module]
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Enable 9pfs configure to supprot host file sharing.
[Type]
[Module] emulator-kernel / 9pfs
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Merge branch 'develop' into kernel-upgrade-3.4

[Title] Update package version
[Type] work
[Module] emulator kernel
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Modified camera, backlight & fixed build error
[Type] Enhancement
[Module] Emulator-Kernel
[Priority] Major
[CQ#]
[Redmine#]
[Problem] Build Error
[Cause]
[Solution]
[TestCase]

[Title] Modify vdpram source to enable telephony module.
[Type] bug fix
[Module] emulator-kernel / vdpram
[Priority]
[CQ#]
[Redmine#]
[Problem] ioctl function signature has been changed on kernel 3.x
[Cause]
[Solution] change ioctl to unlocked_ioctl
[TestCase]

[Title] Modify some modules and add maru device driver for Tizen emulator.
[Type] enhancement
[Module] emulator-kernel
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Initialize kernel source into 3.4 version.
[Type] enhancement
[Module] emulator-kernel / upgrade kernel version
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause] Support SMACK, multi-touch and etc.
[Solution]
[TestCase]

[Title] Remove the previous kernel source.
[Type]
[Module] emulator-kernel
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title]modified for sdcard support
[Type]Enhancement
[Module]emulator-kernel
[Priority]Major
[Jira#] // Jira Issue Number
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

[Title] disable HPET timer feature from kernel config
[Type]
[Module] Emulator/
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Add api index for checking sdk version between host and guest.
[Type]
[Module] emulator-kernel / codec
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] source cleanup.
[Type]
[Module] emulator-kernel / codec
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title]modified for support sdcard mount
[Type]Bugfix
[Module]emulator-kernel
[Priority]Major
[Jira#] // Jira Issue Number
[Redmine#]  // Redmine Isuue Number
[Problem]  // Problem Description
[Cause]  // Cause Description
[Solution] // Solution Description
[TestCase]  // Executed the test-target (How to)

Merge branch 'release-1.0' into develop

Conflicts:
drivers/maru/maru_codec.c

[Title] bug fix codec plugin when multimedia apps have been killed abnormally
[Type] bug fix
[Module] emulator-kernel / codec
[Priority] major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] bug fix codec plugin when multimedia apps have been killed abnormally
[Type] bug fix
[Module] emulator-kernel / codec
[Priority] Major
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Solved the problem when multimedia apps have been killed abnormally.
[Type] bug fix
[Module] emulator-kernel / codec
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution] Uses pointer addr of struct file as a unique id
[TestCase]

[Title] Solved the problem when multimedia apps have been killed abnormally.
[Type] bug fix
[Module] emulator-kernel / codec
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution] Uses pointer addr of struct file as a unique id.
[TestCase]

[Title] version up to 1.1.13
[Type] release work
[Module]
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Remove unnecessary logs
[Type] Enahncement
[Module]
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Change-Id: Ie3abb38f6f95462cf40b9d90d158e14138ec3fc2

[Title] Remove unnecessary logs
[Type] Enahncement
[Module]
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Change-Id: Ie3abb38f6f95462cf40b9d90d158e14138ec3fc2

[Title] Modify compile error.
[Type]
[Module] emulator-kernel / codec
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

[Title] Add some comments and source cleanup
[Type]
[Module] emulator-kernel / codec
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]