linux/sound
Fabio Estevam b20e53a826 ASoC: fsl_ssi: Add suspend/resume support
Doing a suspend/resume sequence while playing an audio track in the backgroung
causes broken audio right after resume:

root@freescale /$ aplay clarinet.wav &

root@freescale /home$ Playing WAVE 'clarinet.wav' : Signed 16 bit Little Endian,
 Rate 44100 Hz, Mono

root@freescale /home$ echo mem > /sys/power/state
PM: Syncing filesystems ... done.
Freezing user space processes ... (elapsed 0.002 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
Suspending console(s) (use no_console_suspend to debug)
PM: suspend of devices complete after 37.082 msecs
PM: suspend devices took 0.040 seconds
PM: late suspend of devices complete after 4.234 msecs
PM: noirq suspend of devices complete after 4.618 msecs
Disabling non-boot CPUs ...
PM: noirq resume of devices complete after 4.013 msecs
PM: early resume of devices complete after 4.000 msecs
PM: resume of devices complete after 68.907 msecs
PM: resume devices took 0.070 seconds
Restarting tasks ... Suspended. Trying resume. Failed. Restarting stream. Done.
Suspended. Trying resume. Failed. Restarting stream. Done.
Suspended. Trying resume. Failed. Restarting stream. Done.
Suspended. Trying resume. Failed. Restarting stream. Done.
Suspended. Trying resume. Failed. Restarting stream. Done.
Suspended. Trying resume. Failed. Restarting stream. Done.
Suspended. Trying resume. Failed. Restarting stream. Done.
....

Add SNDRV_PCM_TRIGGER_RESUME/SUSPEND cases so that we can gracefully handle
system suspend/resume.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-26 14:24:24 +01:00
..
aoa ALSA: Drop __bitwise and typedefs for snd_device attributes 2014-02-14 08:20:24 +01:00
arm ALSA: arm: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:03 +01:00
atmel ALSA: atmel: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:04 +01:00
core Merge branch 'for-next' into for-linus 2014-03-31 12:16:31 +02:00
drivers ALSA: drivers: Convert to snd_card_new() with a device pointer 2014-02-12 10:58:20 +01:00
firewire ALSA: firewire: Convert to snd_card_new() with a device pointer 2014-02-14 08:13:31 +01:00
i2c ALSA: cs8427: separate HW initialization 2014-04-03 14:59:48 +02:00
isa Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
mips ALSA: au1x00: use module_platform_driver() 2014-04-09 10:02:14 +02:00
oss sound fixes for 3.15-rc1 2014-04-10 09:19:44 -07:00
parisc ALSA: parisc: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:05 +01:00
pci sound fixes for 3.15-rc1 2014-04-10 09:19:44 -07:00
pcmcia ALSA: pcmcia: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:06 +01:00
ppc ALSA: ppc: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:06 +01:00
sh ALSA: sh: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:07 +01:00
soc ASoC: fsl_ssi: Add suspend/resume support 2014-05-26 14:24:24 +01:00
sparc ALSA: sparc: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:07 +01:00
spi ALSA: spi: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:08 +01:00
synth
usb ALSA: usb-audio: Suppress repetitive debug messages from retire_playback_urb() 2014-04-09 21:07:38 +02:00
ac97_bus.c
Kconfig
last.c
Makefile
sound_core.c consolidate the reassignments of ->f_op in ->open() instances 2013-10-24 23:34:53 -04:00
sound_firmware.c