linux-toradex.git/sound/drivers, branch v3.2.70

ALSA: pcsp: Fix the order of input device unregistration

2014-01-03T04:33:21+00:00

commit 6408eac2665955343cd0e4bcd7d6237ce39611ed upstream.

The current code may access to the already freed object.  The input
device must be accessed and unregistered before freeing the top level
sound object.

Signed-off-by: Takashi Iwai 
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings

ALSA: aloop: Fix Oops while PM resume

2013-03-06T03:23:48+00:00

commit edac894389f9c9de2a1368c78809c824b343f3a5 upstream.

snd-aloop driver has no proper PM implementation, thus the PM resume
may trigger Oops due to leftover timer instance.  This patch adds the
missing suspend/resume implementation.

Reported-and-tested-by: El boulangero 
Signed-off-by: Takashi Iwai 
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings

ALSA: aloop - add locking to timer access

2012-10-17T02:49:42+00:00

commit d4f1e48bd11e3df6a26811f7a1f06c4225d92f7d upstream.

When the loopback timer handler is running, calling del_timer() (for STOP
trigger) will not wait for the handler to complete before deactivating the
timer. The timer gets rescheduled in the handler as usual. Then a subsequent
START trigger will try to start the timer using add_timer() with a timer pending
leading to a kernel panic.

Serialize the calls to add_timer() and del_timer() using a spin lock to avoid
this.

Signed-off-by: Omair Mohammed Abdullah 
Signed-off-by: Vinod Koul 
Signed-off-by: Takashi Iwai 
Signed-off-by: Ben Hutchings

ALSA: mpu401: Fix missing initialization of irq field

2012-08-09T23:24:53+00:00

commit bc733d495267a23ef8660220d696c6e549ce30b3 upstream.

The irq field of struct snd_mpu401 is supposed to be initialized to -1.
Since it's set to zero as of now, a probing error before the irq
installation results in a kernel warning "Trying to free already-free
IRQ 0".

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=44821
Signed-off-by: Takashi Iwai 
Signed-off-by: Ben Hutchings

sound: Add export.h for THIS_MODULE/EXPORT_SYMBOL where needed

2011-10-31T23:31:22+00:00

These aren't modules, but they do make use of these macros, so
they will need export.h to get that definition.  Previously,
they got it via the implicit module.h inclusion.

Signed-off-by: Paul Gortmaker

sound: Add module.h to the previously silent sound users

2011-10-31T23:31:21+00:00

Lots of sound drivers were getting module.h via the implicit presence
of it in  but we are going to clean that up.  So
fix up those users now.

Signed-off-by: Paul Gortmaker

sound: fix drivers needing module.h not moduleparam.h

2011-10-31T23:31:19+00:00

The implicit presence of module.h lured several users into
incorrectly thinking that they only needed/used modparam.h
but once we clean up the module.h presence, these will show
up as build failures, so fix 'em now.

Signed-off-by: Paul Gortmaker

Merge branch 'topic/remove-irqf_disable' into for-linus

2011-10-26T21:51:48+00:00

ALSA: aloop - Use vmalloc buffer

2011-09-24T10:16:29+00:00

snd-aloop driver is virtual and has no need for allocating contiguous
pages.  It'll be more system-friendly to use vmalloc buffers.

Tested-by: Pierre-Louis Bossart 
Signed-off-by: Takashi Iwai

sound: irq: Remove IRQF_DISABLED

2011-09-22T09:19:20+00:00

Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).

So now this flag is a NOOP and can be removed.

Signed-off-by: Yong Zhang 
Acked-by: Peter Ujfalusi 
Acked-by: Mark Brown 
Signed-off-by: Takashi Iwai