sound_control: initial code push for Headphones gain userspace interface.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
sound_control: add headset, speaker and mic gain interfaces. Also add the sysfs control file.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
sound_control: add workaround to prevent audio resets after using custom values. Based on https://github.com/faux123/Nexus_5/commit/33407fd2d63290540eb0054bc7c6611f2080ea8b

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
mmc: core: Refactor bus speed selection code

The bus speed selection code in mmc_card_init() is convoluted, refactor
the code to simplify this and make it simpler for adding new bus speed
capabilities.

Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
ASoC: Compress: Remove unused hw_params pointer

Remove the hw_params variable in
soc_compr_set_params_fe as the memory allocated
for it was not freed and the pointer itself was
not used.

CRs-Fixed: 601556
Change-Id: If2abfe58ad6dedab9b7ba21ae6f3b4bb5335cf42
Signed-off-by: Kenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
msm: mdss: remove interruptible timeout waits

Currently display driver contexts are not utilizing interruptible
wake-ups while using wait_for_completion_interruptible_timeout. This
can lead to incorrect context wake-up and un-predictable outcome. Since
there is already a timeout attached to these kind of context sleeps, it
is safe to replace them with wait_for_completion_timeout.

Change-Id: Ia528debf34aef0acdda2bea1219a128c200c3651
Signed-off-by: Ujwal Patel <ujwalp@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mm: Don't use CMA pages for page cache

All layers of the page cache may take extra references to
pages to avoid migration. This is fine for general movable
pages but renders CMA pages useless as they cannot be
allocated for contiguous mode. Always omitting movable
pages completely has poor utilization of memory so attempt
with the given GFP flags first and if a CMA page is allocated,
free it and get a new non-movable page. This does have a minor
performance impact, but ultimately it's a tradeoff between
never using movable pages and taking the extra hit of a
free/realloc.

Change-Id: I4e9d7fc1c65306d6356492fd1a99935aa62ed2ec
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mm: remove swap token code

The swap token code no longer fits in with the current VM model.  It
does not play well with cgroups or the better NUMA placement code in
development, since we have only one swap token globally.

It also has the potential to mess with scalability of the system, by
increasing the number of non-reclaimable pages on the active and
inactive anon LRU lists.

Last but not least, the swap token code has been broken for a year
without complaints, as reported by Konstantin Khlebnikov.  This suggests
we no longer have much use for it.

The days of sub-1G memory systems with heavy use of swap are over.  If
we ever need thrashing reducing code in the future, we will have to
implement something that does scale.

Change-Id: I6d287cfc3c3206ca24da2de0c1392e5fdfcfabe8
Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Hugh Dickins <hughd@google.com>
Acked-by: Bob Picco <bpicco@meloft.net>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: e709ffd6169ccd259eb5874e853303e91e94e829
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
kernel: cgroup: push rcu read locking from css_is_ancestor() to callsite

Library functions should not grab locks when the callsites can do it,
even if the lock nests like the rcu read-side lock does.

Push the rcu_read_lock() from css_is_ancestor() to its single user,
mem_cgroup_same_or_subtree() in preparation for another user that may
already hold the rcu read-side lock.

Change-Id: I0ec7ec0059ed588d8f85bc9be8fdc42ce0ca7f5d
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Git-commit: 91c63734f6908425903aed69c04035592f18d398
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
PM / QoS: Fix deadlock during PM QoS vote to default value

pm_qos_work_fn() calls pm_qos_update_request() which does
cancel_delayed_work_sync() on the same pm_qos_work_fn()
causing deadlock. Fix this by updating the target with
default timeout value directly instead of calling
pm_qos_update_request().

CRs-Fixed: 526216
Change-Id: I7de2fb1c89f87b0ebf7427116b8920aec50d5b2b
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
ARM: Use -mcpu=cortex-a15 when targeting MSM Krait CPUs

Enable compiler optimizations specific to the Cortex-A15
processor when targeting MSM Krait CPUs. This is necessary
take advantage of the UDIV/SDIV instructions supported by
these processors. To accomplish this, we need to remove the
-march=armv7-a ISA restriction from the compiler options
because 'cortex-a15' is a superset of 'armv7-a'.

Change-Id: I6215aecc11fb4f77c971de7b84f68649ef234357
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
AIO: Don't plug the I/O queue in do_io_submit() Asynchronous I/O latency to a solid-state disk greatly increased between the 2.6.32 and 3.0 kernels. By removing the plug from do_io_submit(), we observed a 34% improvement in the I/O latency.

Unfortunately, at this level, we don't know if the request is to
a rotating disk or not.

Change-Id: I7101df956473ed9fd5dcff18e473dd93b688a5c1
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: linux-aio@kvack.org
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
writeback: fix race that cause writeback hung

There is a race between mark inode dirty and writeback thread, see the
following scenario.  In this case, writeback thread will not run though
there is dirty_io.

__mark_inode_dirty()                                          bdi_writeback_workfn()
	...                                                       	...
	spin_lock(&inode->i_lock);
	...
	if (bdi_cap_writeback_dirty(bdi)) {
	    <<< assume wb has dirty_io, so wakeup_bdi is false.
	    <<< the following inode_dirty also have wakeup_bdi false.
	    if (!wb_has_dirty_io(&bdi->wb))
		    wakeup_bdi = true;
	}
	spin_unlock(&inode->i_lock);
	                                                            <<< assume last dirty_io is removed here.
	                                                            pages_written = wb_do_writeback(wb);
	                                                            ...
	                                                            <<< work_list empty and wb has no dirty_io,
	                                                            <<< delayed_work will not be queued.
	                                                            if (!list_empty(&bdi->work_list) ||
	                                                                (wb_has_dirty_io(wb) && dirty_writeback_interval))
	                                                                queue_delayed_work(bdi_wq, &wb->dwork,
	                                                                    msecs_to_jiffies(dirty_writeback_interval * 10));
	spin_lock(&bdi->wb.list_lock);
	inode->dirtied_when = jiffies;
	<<< new dirty_io is added.
	list_move(&inode->i_wb_list, &bdi->wb.b_dirty);
	spin_unlock(&bdi->wb.list_lock);

	<<< though there is dirty_io, but wakeup_bdi is false,
	<<< so writeback thread will not be waked up and
	<<< the new dirty_io will not be flushed.
	if (wakeup_bdi)
	    bdi_wakeup_thread_delayed(bdi);

Writeback will run until there is a new flush work queued.  This may cause
a lot of dirty pages stay in memory for a long time.

Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
backlight: fix a bug where the screen would be completely dark or near darkness with backlight_dimmer enabled when the display dimmed. The brightness level can't be any lower than dev->min_brightness and previous code allowed that to happen, so fix it.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
backlight: clean the code.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
Revert "ASoC: msm: change to enable audio"

This reverts commit 6bfb8bda8eb35a8570f6fd629f6bbce7ae3d90eb.
ASoC: msm: Fix for power collapse hostless usecase

For hostless pcm usecases apps processor is not needed
for data path. Once data path is established hostless
driver will remove the pm_qos_request to allow the host
CPU to power collapse. Change adds the support to remove
the pm_qos_request once data path is setup.

Change-Id: Ic6ac8d99628c770061ec785f8549c164f6a9bbd8
CRs-fixed: 561202
Signed-off-by: Gopikrishnaiah Anandan <agopik@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
msm: clock-8974: Reduce PLL lock time

Current PLL locking sequence is taking minimum time of 4.6 msec.
For command mode panels, PLL will be disabled on system idle
screen and enabled back on first update. Very first display update
after idle screen is taking long time due to PLL locking sequence.
We need to optimize PLL lock time for better user experience.

Change-Id: I1604d4544a3b33ed668ae6f36d19a876c2923e0c
Signed-off-by: Shalabh Jain <shalabhj@codeaurora.org>
Signed-off-by: Sree Sesha Aravind Vadrevu <svadrevu@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
3.4.82

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
3.4.83

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>