linux-stable/sound
Jiada Wang 2e66d523cd
ASoC: rsnd: ssiu: Support to init different BUSIF instance
Currently ssiu's .init is only called once during audio stream.
But SSIU with different BUSIF, shall be initialized each time,
even they are used in the same audio stream.

This patch introduces ssiu_status for BUSIF0 to BUSIF7 in rsnd_ssiu,
to make sure same .init for different BUSIF can always be executed.

To avoid the first stopped stream to stop the whole SSIU,
which may still has other BUSIF instance running, use usrcnt to count
the usage of SSIU, only the last user of SSIU can stop the whole SSIU.

Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Timo Wischer <twischer@de.adit-jv.com>
[Kuninori: tidyup for upstream]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2018-09-03 14:37:19 +01:00
..
ac97 ALSA: ac97: fix unbalanced pm_runtime_enable 2018-08-19 18:37:04 +02:00
aoa ALSA: snd-aoa: add of_node_put() in error path 2018-06-29 20:35:14 +02:00
arm ASoC: pxa2xx-pcm-lib: fix indenting 2018-06-29 12:05:05 +01:00
atmel
core ALSA: seq: virmidi: Fix discarding the unsubscribed output 2018-08-14 22:50:52 +02:00
drivers ALSA: opl3: Mark expected switch fall-through 2018-08-08 21:40:14 +02:00
firewire Merge branch 'for-next' into for-linus 2018-08-12 08:55:10 +02:00
hda ALSA: hda: Proper endian notations for BDL pointers 2018-07-27 09:06:01 +02:00
i2c ALSA: i2c: Remove empty init and exit 2018-08-03 16:11:43 +02:00
isa ALSA: isa: Remove empty init and exit 2018-08-03 16:11:35 +02:00
mips ALSA: pcm: Nuke snd_pcm_lib_mmap_vmalloc() 2018-07-18 08:24:29 +02:00
oss treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
parisc
pci ASoC: hdac_hda: add asoc extension for legacy HDA codec drivers 2018-08-28 20:18:13 +01:00
pcmcia Merge branch 'for-linus' into topic/virmidi 2018-07-29 22:39:29 +02:00
ppc powerpc/ps3: Set driver coherent_dma_mask 2018-07-20 12:50:37 +10:00
sh
soc ASoC: rsnd: ssiu: Support to init different BUSIF instance 2018-09-03 14:37:19 +01:00
sparc sound: Use octal not symbolic permissions 2018-05-28 11:27:20 +02:00
spi
synth ALSA: synth: Remove empty init and exit 2018-08-03 16:11:53 +02:00
usb ALSA: usb-audio: Mark expected switch fall-through 2018-08-09 08:52:33 +02:00
x86 ALSA: intel_hdmi: remove redundant variable cfg_val 2018-08-06 21:36:14 +02:00
xen ALSA: xen: Use standard pcm_format_to_bits() for ALSA format bits 2018-07-27 09:05:34 +02:00
ac97_bus.c
Kconfig ALSA: xen-front: Introduce Xen para-virtualized sound frontend driver 2018-05-16 12:58:36 +02:00
last.c
Makefile ALSA: xen-front: Introduce Xen para-virtualized sound frontend driver 2018-05-16 12:58:36 +02:00
sound_core.c sound: Use octal not symbolic permissions 2018-05-28 11:27:20 +02:00