ASoC: compr: timestamp fix for non-gapless mode

Cache last known playback timestamp before resetting the
in use session in preparation for possible re-use of the
same session.

Signed-off-by: Haynes Mathew George <hgeorge@codeaurora.org>
Signed-off-by: Dhananjay Kumar <dhakumar@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
staging: binder: add vm_fault handler

An issue was observed when a userspace task exits.
The page which hits error here is the zero page.
In binder mmap, the whole of vma is not mapped.
On a task crash, when debuggerd reads the binder regions,
the unmapped areas fall to do_anonymous_page in handle_pte_fault,
due to the absence of a vm_fault handler. This results in
zero page being mapped. Later in zap_pte_range, vm_normal_page
returns zero page in the case of VM_MIXEDMAP and it results in the
error.

BUG: Bad page map in process mediaserver  pte:9dff379f pmd:9bfbd831
page:c0ed8e60 count:1 mapcount:-1 mapping:  (null) index:0x0
page flags: 0x404(referenced|reserved)
addr:40c3f000 vm_flags:10220051 anon_vma:  (null) mapping:d9fe0764 index:fd
vma->vm_ops->fault:   (null)
vma->vm_file->f_op->mmap: binder_mmap+0x0/0x274
CPU: 0 PID: 1463 Comm: mediaserver Tainted: G        W    3.10.17+ #1
[<c001549c>] (unwind_backtrace+0x0/0x11c) from [<c001200c>] (show_stack+0x10/0x14)
[<c001200c>] (show_stack+0x10/0x14) from [<c0103d78>] (print_bad_pte+0x158/0x190)
[<c0103d78>] (print_bad_pte+0x158/0x190) from [<c01055f0>] (unmap_single_vma+0x2e4/0x598)
[<c01055f0>] (unmap_single_vma+0x2e4/0x598) from [<c010618c>] (unmap_vmas+0x34/0x50)
[<c010618c>] (unmap_vmas+0x34/0x50) from [<c010a9e4>] (exit_mmap+0xc8/0x1e8)
[<c010a9e4>] (exit_mmap+0xc8/0x1e8) from [<c00520f0>] (mmput+0x54/0xd0)
[<c00520f0>] (mmput+0x54/0xd0) from [<c005972c>] (do_exit+0x360/0x990)
[<c005972c>] (do_exit+0x360/0x990) from [<c0059ef0>] (do_group_exit+0x84/0xc0)
[<c0059ef0>] (do_group_exit+0x84/0xc0) from [<c0066de0>] (get_signal_to_deliver+0x4d4/0x548)
[<c0066de0>] (get_signal_to_deliver+0x4d4/0x548) from [<c0011500>] (do_signal+0xa8/0x3b8)

Add a vm_fault handler which returns VM_FAULT_SIGBUS, and prevents the
wrong fallback to do_anonymous_page.

CRs-Fixed: 673147
Change-Id: I43730a51b6c819538b46c5e4dc5c96c8a384098d
Signed-off-by: Vinayak Menon <vinayakm.list@gmail.com>
Patch-mainline: linux-arm-kernel @ 06/02/14, 18:17
Signed-off-by: Vignesh Radhakrishnan <vigneshr@codeaurora.org>
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
usb: dwc3: otg: Don't set psy type to BATTERY if no charger connected

USB driver incorrectly sets USB power supply type to BATTERY on
charger disconnect. Some userspace client may fail to work properly
by assuming that usb_psy i.e. '/sys/class/power_supply/usb' is
of type battery and subsequent reading of battery status from this
USB supply will fail. Hence, set this to POWER_SUPPLY_TYPE_UNKNOWN.

Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
spmi: pmic_arb: Fix opcode calculate error in pmic_arb_cmd

The original calculation of spmi command in pmic_arb_cmd()function
has wrong opcode bits value.

Signed-off-by: Wu Fenglin <fenglinw@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
spmi-pmic-arb: improve error reporting

Add additional information on error return code and
log dump. Introduce a new return code for transient
failures and add to log dump information  such as:
slave-id, address, op-code, byte-count, data buffer
content, and values of relevant registers.

Signed-off-by: Gilad Avidov <gavidov@codeaurora.org>
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
ASoC: wcd9320: Wait for enough time for Line PAs to get settled

During fast switching of audio playback, we need to wait
for 5ms for the LINE PAs to get settled down before enabling
them again for playback. Same delay is also required after PA
is enabled. Add the required delays after LINE PAs are enabled
or disabled.

Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
prctl: adds the capable(CAP_SYS_NICE) check to PR_SET_TIMERSLACK_PID.

Adds a capable() check to make sure that arbitary apps do not change the
timer slack for other apps.

Bug: 15000427
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>