The PCM x-fi native update routine can cause deadlocks when the
trigger(START) is called while the stream is running.
This patch fixes the deadlock by just postponing the pcm period update
to the next possible wake-up. Also it adds the flip of ti->running
flag (just to be sure as now).
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The PCM pointer callback sometimes returns invalid positions and this
screws up the hw_ptr updater in PCM core. Especially since now the
jiffies check is optional with xrun_debug, the invalid position is
handled as is, and causes serious sound skips, etc.
This patch simplifies the position-fix strategy in intel8x0 to be more
robust:
- just falls back to the last position if bogus position is detected
- another sanity check for the backward move of the position due to
a race of register update and the base-index update
This patch is applicable also for 2.6.30.
Tested-by: David Miller <davem@davemloft.net>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The spinlock in atc can cause a sleep in lock:
Kernel failure message 1:
BUG: sleeping function called from invalid context at mm/slub.c:1599
in_atomic(): 0, irqs_disabled(): 1, pid: 2537, name: gstreamer-prope
Pid: 2537, comm: gstreamer-prope Tainted: P
2.6.29.4-167.fc11.x86_64 #1
Call Trace:
[<ffffffff8103ff0f>] __might_sleep+0x10b/0x110
[<ffffffff810cd734>] __kmalloc+0x73/0x130
[<ffffffffa0b4b142>] ? daio_rsc_init+0xaa/0x125 [snd_ctxfi]
[<ffffffffa0b4b212>] dao_rsc_init+0x55/0x1c0 [snd_ctxfi]
[<ffffffffa0b4b3d2>] dao_rsc_reinit+0x55/0x5d [snd_ctxfi]
[<ffffffff813abd6c>] ? _spin_lock_irqsave+0x32/0x3b
[<ffffffffa0b454fe>] atc_spdif_out_passthru+0x92/0x136 [snd_ctxfi]
...
Since the lock path is no critical path, it can be gracefully
replaced with a mutex.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
trivial patch to support the alsa module parameters `index', `id'
and `enable'
Signed-off-by: Tim Blechmann <tim@klingt.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
* topic/oxygen:
sound: virtuoso: add Xonar Essence ST support
sound: virtuoso: enable HDAV S/PDIF input
sound: virtuoso: add another DX PCI ID
sound: oxygen: reset DMA when stream is closed
* topic/misc:
ALSA: sgio2audio.c: clean up checking
ALSA: burgundy: timeout message is off by one.
ALSA: bt87x - Add a quirk entry for Askey Computer Corp. MagicTView'99
ALSA: parisc/harmony: fix printk format warning
ALSA: keywest: Get rid of useless i2c_device_name() macro
* topic/maya44:
ALSA: ice1724 - Add ESI Maya44 support
ALSA: ice1724 - Allow spec driver to create own routing controls
ALSA: ice1724 - Add PCI postint to reset sequence
ALSA: ice1724 - Clean up definitions of DMA records
ALSA: ice1724 - Check error in set_rate function
Currently the PCM resources are allocated only once and ever in prepare
callback, assuming that the PCM parameters are never changed. But it's
not true.
This patch adds the call of atc->pcm_release_resources() at hw_params
and hw_free callbacks to assure that the PCM setup is done correctly
for each h/w parameter changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The SRC instances may not exist when PCM pointer callback is called at
the state before initialization is finished. Add the NULL check just
to be sure.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Added use_system_timer module option to force to use the system timer
instead of emu20k1 timer irq for debugging.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
CTUAA should be checked instead of CTHENDRIX. The latter is for 20k2 chip.
Also, fixed the detection of UAA/HENDRIX models by fixing the mask bits.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Clean up probe routines and model detection routines so that the driver
won't call and check the PCI subsystem id at each time.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Added 7.1 support for MSI GX620 and jack quirk.
Reference: kernel bug#13430
http://bugzilla.kernel.org/show_bug.cgi?id=13430
Signed-off-by: David Heidelberger <d.okias@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
EFX playback stream should have periods_min = 2 to avoid the buffer
position overflow (due to restrictions of the pcm-indirect helper).
Signed-off-by: Takashi Iwai <tiwai@suse.de>
- Clean up Hungarian coding style
- Don't use static variables for I2C information; this unables to use
multiple instances. Now they are stored in struct hw20k2 fields.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Optimize the timer update routine to look up wall clock once instead of
checking the position of each stream at each timer update.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
- Use static tables instead of assigining each funciton pointer
- Add __devinit* to appropriate places; pcm, mixer and timer cannot be
marked because they are kept in the function table that lives long
- Move create_alsa_devs function out of struct ct_atc to mark it
__devinit
Signed-off-by: Takashi Iwai <tiwai@suse.de>
