| Commit message (Collapse) | Author | Age |
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Backport notes: This resolves clk warnings in the designware i2c
driver on HiKey seen during suspend/resume.
Cherrypicked from: aa8e54b559479d0cb7eb632ba443b8cacd20cd4b
If a suitable prepare callback cannot be found for a given device and
its driver has no PM callbacks at all, assume that it can go direct to
complete when the system goes to sleep.
The reason for this is that there's lots of devices in a system that do
no PM at all and there's no reason for them to prevent their ancestors
to do direct_complete if they can support it.
Change-Id: Ia773afb4b266f012336b99fc8cf87453839e078b
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
[jstultz: Backported to 4.4]
Signed-off-by: John Stultz <john.stultz@linaro.org>
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When kernel.perf_event_open is set to 3 (or greater), disallow all
access to performance events by users without CAP_SYS_ADMIN.
Add a Kconfig symbol CONFIG_SECURITY_PERF_EVENTS_RESTRICT that
makes this value the default.
This is based on a similar feature in grsecurity
(CONFIG_GRKERNSEC_PERF_HARDEN). This version doesn't include making
the variable read-only. It also allows enabling further restriction
at run-time regardless of whether the default is changed.
https://lkml.org/lkml/2016/1/11/587
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Bug: 29054680
Change-Id: Iff5bff4fc1042e85866df9faa01bce8d04335ab8
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If CONFIG_DUAL_ROLE_USB_INTF is disabled but the exported functions
are referenced, the build will result in warnings such as:
In file included from include/linux/usb/class-dual-role.h:112:13:
warning: ‘dual_role_instance_changed’ defined but not used
[-Wunused-function]
These stub functions should be static inline.
Change-Id: I5a9ef58dca32306fac5a4c7f28cdaa36fa8ae078
Signed-off-by: Jack Pham <jackp@codeaurora.org>
(cherry picked from commit 2d152dbb0743526b21d6bbefe097f874c027f860)
(cherry picked from commit 8ad66cafaa10e6ba94ff79a8dbc2cc437c6bfe93)
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This reverts commit 91fa97e1e5c001d52f6c993d37be08d1e84f47b7.
This patch is no longer valid. There are no users for this status irq and
callback in android-4.x. The Qcom platform (mach-msm/qsd8x50, HTC Dream..)
and SDCC controller (msm_sdcc) using this status IRQ and callback are
dropped from mainline sometime back.
27842bb18b00Â (mmc: Remove msm_sdcc driver)
c0c89fafa289 (ARM: Remove mach-msm and associated ARM architecture code)
Change-Id: Ia38e42a06dc184395f79c1ec1d306bf9775704d5
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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bug: 23904372
Change-Id: I4a686d64b6de37decf60019be1718e1d820193e6
Signed-off-by: Daniel Rosenberg <drosen@google.com>
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This reverts commit 6b6d5fbf9ae567aefb58099a30bbb6d25fa8925b.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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Drivers should use extcon moving forward.
Documentation/extcon/porting-android-switch-class describes
how to port existing switch class drivers to extcon.
This reverts commit e4b8e66e0ae2e78e913d7b86f2507fdb0aa731b4.
Change-Id: I5b622c7ab4c0cb9670f8903f259a99888f503c1a
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CONFIG_SDCARD_FS_CI_SEARCH only guards a define for
LOOKUP_CASE_INSENSITIVE, which is never used in the
kernel. Remove both, along with the option matching
that supports it.
Change-Id: I363a8f31de8ee7a7a934d75300cc9ba8176e2edf
Signed-off-by: Daniel Rosenberg <drosen@google.com>
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Attempts to build sdcardfs as module fail with
fs/sdcardfs/lookup.c: In function '__sdcardfs_lookup':
fs/sdcardfs/lookup.c:243:5: error: 'LOOKUP_CASE_INSENSITIVE' undeclared
This occurs because the define is enclosed with #ifdef
CONFIG_SDCARD_FS_CI_SEARCH. If SDCARD_FS_CI_SEARCH is configured to be
built as module, this does not work. Alternatives would be to use #if
IS_ENABLED(CONFIG_SDCARD_FS_CI_SEARCH), or to declare SDCARD_FS_CI_SEARCH
as bool, but that does not work because the define is used unconditionally
in the source.
Note that LOOKUP_CASE_INSENSITIVE is only set but not evaluated in the
current source code, so setting the flag has no real effect.
Fixes: 84a1b7d3d312 ("Included sdcardfs source code for kernel 3.0")
Cc: Daniel Rosenberg <drosen@google.com>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
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Inotify does not currently know when a filesystem
is acting as a wrapper around another fs. This means
that inotify watchers will miss any modifications to
the base file, as well as any made in a separate
stacked fs that points to the same file.
d_canonical_path solves this problem by allowing the fs
to map a dentry to a path in the lower fs. Inotify
can use it to find the appropriate place to watch to
be informed of all changes to a file.
Change-Id: I09563baffad1711a045e45c1bd0bd8713c2cc0b6
Signed-off-by: Daniel Rosenberg <drosen@google.com>
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Change-Id: I25b99ecf214e72ebf6a57ec3085972542a8d7951
Signed-off-by: Daniel Rosenberg <drosen@google.com>
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Only included the source code as is for kernel 3.0. Following patches
take care of porting this file system to version 3.10.
Change-Id: I09e76db77cd98a059053ba5b6fd88572a4b75b5b
Signed-off-by: Daniel Campello <campello@google.com>
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(cherry picked from commit https://lkml.org/lkml/2016/2/4/831)
d07e22597d1d355 ("mm: mmap: add new /proc tunable for mmap_base ASLR")
added the ability to choose from a range of values to use for entropy
count in generating the random offset to the mmap_base address. The
maximum value on this range was set to 32 bits for 64-bit x86 systems, but
this value could be increased further, requiring more than the 32 bits of
randomness provided by get_random_int(), as is already possible for arm64.
Add a new function: get_random_long() which more naturally fits with the
mmap usage of get_random_int() but operates exactly the same as
get_random_int().
Also, fix the shifting constant in mmap_rnd() to be an unsigned long so
that values greater than 31 bits generate an appropriate mask without
overflow. This is especially important on x86, as its shift instruction
uses a 5-bit mask for the shift operand, which meant that any value for
mmap_rnd_bits over 31 acts as a no-op and effectively disables mmap_base
randomization.
Finally, replace calls to get_random_int() with get_random_long() where
appropriate.
Bug: 26963541
Signed-off-by: Daniel Cashman <dcashman@android.com>
Signed-off-by: Daniel Cashman <dcashman@google.com>
Change-Id: I5b45621088666d5d1dfbf43952f25ea0798b10ba
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The API to log the suspend reason was introduced with commit 57caa2ad5ce3
("power: Adds functionality to log the last suspend abort reason.").
It is called from functions enabled with PM_SLEEP and from functions
enabled with SUSPEND, but only available if SUSPEND is enabled.
This can result in build failures such as the following if PM_SLEEP
is enabled, but SUSPEND is not.
kernel/built-in.o: In function `try_to_freeze_tasks':
process.c:(.text+0x30928): undefined reference to `log_suspend_abort_reason'
drivers/built-in.o: In function `syscore_suspend':
(.text+0x6e250): undefined reference to `log_suspend_abort_reason'
drivers/built-in.o: In function `__device_suspend':
main.c:(.text+0x7a528): undefined reference to `log_suspend_abort_reason'
Fixes: 57caa2ad5ce3 ("power: Adds functionality to log the last suspend abort reason.")
Signed-off-by: Guenter Roeck <groeck@chromium.org>
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Commit 1af89c1ef3b6 ("Hack: net: PPPoPNS and PPPoLAC build fixes for 4.1")
fixed the build for PPPoPNS and PPPoLAC by re-introducing a field in
struct msghdr which was removed upstream. Re-introducing the field doesn't
get it used, so it is quite likely that the code never worked. Fix it up for
good.
Fixes: 1af89c1ef3b6 ("Hack: net: PPPoPNS and PPPoLAC build fixes for 4.1")
Signed-off-by: Guenter Roeck <groeck@chromium.org>
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Disable the SMMU stalls on faulty transactions by terminating it using
the CB.SCTLR register. Faulty transaction on a CB causes the back
pressure on the QSMMU transaction pipe which inturn affect the other
masters using the same SMMU. Pass the DOMAIN_ATTR_CB_STALL_DISABLE flag
to iommu_domain_set_attr api in order to use this feature.
Change-Id: Ib8fa35854ff24e0295d330c5fb79375f58c3e841
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
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Add a check for cpu unbound deferrable timer expiry and raise
softirq for handling the expired timers so that the CPU can
process the cpu unbound deferrable times as early as possible
when a cpu tries to enter/exit idle loop.
Change-Id: Ieffa74fa22a4d25493f5590b5ac1e0d784fcbbad
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
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This snapshot is taken as of
msm-3.18 'commit 7e1165aac628 ("Merge drivers: iio: bmi160:
Enabled the buffering support for BMI160 Sensor")'
CRs-Fixed: 2035593
Change-Id: I2951e77f226062d82e84a26fce6ab932b9685223
Signed-off-by: Dhoat Harpal <hdhoat@codeaurora.org>
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Currently the hotplug notifier calls cpu_pmu_enable_percpu_irq
when a CPU comes online. The notifier doesn't have a corresponding
call to cpu_pmu_disable_percpu_irq when the CPU goes offline.
Change the code to follow what was done in 3.18 including
tracking whether the PMU is active and the IRQ number in use.
Change-Id: I1835fb543eb483713a30eb6c0ccd4e4a4b9908be
Signed-off-by: Patrick Fay <pfay@codeaurora.org>
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Allow clients to specify the IOVA range for fastmap clients
via the DOMAIN_ATTR_GEOMETRY domain attribute.
Presently fastmap only allocates page tables for the IOVA
range specified during the create mapping call. However
clients may want to use IOVA addresses outside this range,
such as for their calls to iommu_map.
So allow clients to extend the available IOVA space by setting
the DOMAIN_ATTR_GEOMETRY domain attribute's
iommu_domain_geometry.aperture_start to
the new start address of the IOVA space and by setting
iommu_domain_geometry.aperture_end to the new end address of the
IOVA space.
The new IOVA space created by iommu_domain_geometry.aperture_start
and iommu_domain_geometry.aperture_end will be a superset of the
IOVA range which was created through the create mapping call.
The DOMAIN_ATTR_GEOMETRY domain attribute can only be set before
attaching.
Calls to set the DOMAIN_ATTR_GEOMETRY domain attribute can only
be used to extend the IOVA space, it cannot shrink the range.
Note that extending the IOVA range will not change the range of
IOVA addresses which will be available to the DMA APIs.
Change-Id: Ib389e019a022d98417884002de08115fb0fc9384
Signed-off-by: Liam Mark <lmark@codeaurora.org>
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OLEDB_SPARE_CTL register bit is set by the PBS during the display enable
and is used during the display suspend to trigger the PBS event.
Hence, move clearing of the OLEDB_SPARE_CTL register to regulator disable.
Also enable the force_pd_ctl only for DRAX-A revisions <=2.0.
Change-Id: I339cefc91f94f772bc4f84e85f2471e1a73e4aed
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
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On certain PMICs, there is no short circuit (SC) detection available
in LAB module. Add support to detect it manually and disable LAB/IBB
module upon SC detection. In addition, notify it to OLEDB driver to
disable OLEDB module.
Change-Id: I2a9dc5b1ae8ece45c85b3992026c7f389fd4d135
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
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When the charger mitigation is configured based on SW,
enable it locally when the total brightness (or current
level) of all torch/flash LED devices is greater than 1 A.
CRs-Fixed: 2011199
Change-Id: I8336b3201f0780855c3dc3633179c398b9f62162
Signed-off-by: Ankit Sharma <ansharma@codeaurora.org>
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The commit '6b4f77 (mm: vmscan: invoke slab shrinkers from shrink_zone())'
fixed the invocation of shrinkers but resulted in lowmemorykiller shrinker
being called more. Reduce the number of lowmemorykiller shrinker
invocations by separating out the lowmemorykiller shrinker from
shrink_slab. This will make lowmemorykiller invoked only once for all zones
reclaimed in the direct reclaim path, and once for each zone in the kswap
path. As a consequence the eligible pages passed to shrink_slab_lmk is now
the reclaimable pages of all zones. Reducing the number of lowmemorykiller
invocations reduces the unnecessary time spent in lowmemorykiller and thus
contention or failures on lowmemorykiller's scan_mutex.
Change-Id: Iaabb9e441711f1dc804980b5853b64b3f214698d
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
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On SPARSEMEM systems page poisoning is enabled after buddy is up, because
of the dependency on page extension init. This causes the pages released
by free_all_bootmem not to be poisoned. This either delays or misses the
identification of some issues because the pages have to undergo another
cycle of alloc-free-alloc for any corruption to be detected.
Enable page poisoning early by getting rid of the PAGE_EXT_DEBUG_POISON
flag. Since all the free pages will now be poisoned, the flag need not be
verified before checking the poison during an alloc.
Link: http://lkml.kernel.org/r/1490358246-11001-1-git-send-email-vinmenon@codeaurora.org
Acked-by: Laura Abbott <labbott@redhat.com>
Tested-by: Laura Abbott <labbott@redhat.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
[vinmenon@codeaurora.org: resolve trivial merge conflicts.
Remove the redundant free pages RO feature from the
page_poison.c file which is the reason for conflicts +
squash the addendum commit 40961ef8d65f51093bc94de110b97b590b6b9275
('mm-enable-page-poisoning-early-at-boot-v2')]
Git-commit: c5b7cd344fd6341e6db79e55c0f1f4d1d9c67a7e
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
Change-Id: I1bb1f99d3a2e1135131911905e0916c837ba9d8a
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
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By default, page poisoning uses a poison value (0xaa) on free. If this
is changed to 0, the page is not only sanitized but zeroing on alloc
with __GFP_ZERO can be skipped as well. The tradeoff is that detecting
corruption from the poisoning is harder to detect. This feature also
cannot be used with hibernation since pages are not guaranteed to be
zeroed after hibernation.
Credit to Grsecurity/PaX team for inspiring this work
Change-Id: If7116e6bff246abbafc38bdfeb3601d3ea063ad2
Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Acked-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mathias Krause <minipli@googlemail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Jianyu Zhan <nasa4836@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: 1414c7f4f7d72d138fff35f00151d15749b5beda
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
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Page poisoning is currently set up as a feature if architectures don't
have architecture debug page_alloc to allow unmapping of pages. It has
uses apart from that though. Clearing of the pages on free provides an
increase in security as it helps to limit the risk of information leaks.
Allow page poisoning to be enabled as a separate option independent of
kernel_map pages since the two features do separate work. Because of
how hiberanation is implemented, the checks on alloc cannot occur if
hibernation is enabled. The runtime alloc checks can also be enabled
with an option when !HIBERNATION.
Credit to Grsecurity/PaX team for inspiring this work
Change-Id: I77a36f844ddae54695089c98a97bf0a6e226a025
Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mathias Krause <minipli@googlemail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Jianyu Zhan <nasa4836@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: 8823b1dbc05fab1a8bec275eeae4709257c2661d
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
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Replace unsigned long with __u32 as 4 bytes is the length
of field where as unsigned long could be 8 bytes on 64 bit
machine. Also, replace short and char with u16 and u8
respectively for better readability.
Change-Id: I8637f6b32d56d90c01b4453b4677f40d5b865bf6
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
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HDMI 2.0/CEA-861-F introduces two new aspect ratios:
- 64:27
- 256:135
This patch adds enumeration for the new aspect ratios
in the existing aspect ratio list.
V2: rebase
V3: rebase
V4: Added r-b from Jose, Ack by Tomi
Change-Id: Ie90d43e4088a7c19274fe2aa25aa40d38683f584
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Jose Abreu <Jose.Abreu@synopsys.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Git-commit: a6e78b3e1406575323b30b65890ee3c29930fb27
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
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Adds parsing for HDMI 2.0 'HDMI Forum Vendor
Specific Data Block'. This block is present in
some HDMI 2.0 EDID's and gives information about
scrambling support, SCDC, 3D Views, and others.
Parsed parameters are stored in drm_connector
structure.
Change-Id: I018cfefea2fd3827d5f83c8e5717ebd95e497519
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Carlos Palminha <palminha@synopsys.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Patch-mainline: dri-devel @ 10 Aug 2016 16:29
Signed-off-by: Jin Li <jinl@codeaurora.org>
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
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This defines authentication algorithms for FILS (IEEE 802.11ai).
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: 631810603a20874554b2f17adf42b72d0f15eda5
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
CRs-Fixed: 2028536
Change-Id: I530913c84f2c3e678e83144ac474195184f4dd3b
Signed-off-by: Vidyullatha Kanchanapally <vidyullatha@codeaurora.org>
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BADD 3.0 devices support three types of topologies;
Basic I/P, Basic O/P, and BASIC I/P. Accordingly, various
units and terminals have to be parsed which are not
exposed by the device and host must be able to figure
out various class-specific descriptors based on the
profile ID of the device. This patch adds this logic
to build various units and terminals of the AudioControl
interface of a BADD device.
Change-Id: Ib52f884133cdf6e0ec95f49095c14f7d005a5356
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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BADD(Basic Audio Device Definition) is a subset of UAC3
specifications. It defines standard profiles which provide
specific attributes of class descriptors. BADD audio device
provides profile id and BADD supporting host will infer
attributes from profile-id.
Currently USB Audio Host driver has support for UAC1
and UAC2 devices. To handle BADD 3.0 devices, AudioControl
and AudioStreaming Interfaces have to be properly parsed.
The Host has to derive all class-specific information based
on the profile ID that the device exposes. Add support for
parsing the AudioStreaming interfaces exposed by the device.
Change-Id: I726bbb735708fe8e395011c7228a73d5f65c092d
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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Add revision definitions for smb1355 i2c charger chip.
Change-Id: I60429c6462a2faa70df71d3440afe696a13fcab0
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
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Enable 46, 47 channels for mhi_dev_net interface.
mhi_dev_net client uses read and write channels to
communicate mhi host rmnet interface over PCIe link.
CRs-Fixed: 2029099
Change-Id: Ifdda4b1a139751bd2b36143d9125068f34fec9e5
Signed-off-by: Prasad Malisetty <prasadm@codeaurora.org>
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