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* ALSA: spi: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-41-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: sparc: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-033-3/+3
| | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-40-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ppc: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-036-40/+40
| | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-39-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: pci: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-0333-76/+76
| | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-38-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: hda: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-032-7/+7
| | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-37-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: isa: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-0313-45/+45
| | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-36-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: i2c: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-035-6/+6
| | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-35-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: drivers: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-035-13/+13
| | | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. Constify snd_kcontrol_new items There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-34-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: aoa: Constify snd_kcontrol_new itemsTakashi Iwai2020-01-033-3/+3
| | | | | | | | | | Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-33-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: mixer: oss: Constify snd_mixer_oss_assign_table definitionTakashi Iwai2020-01-031-6/+8
| | | | | | | | | | The snd_mixer_oss_assign_table is read-only, and can it be declared as const. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-32-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: vx: Constify snd_vx_hardware and snd_vx_ops definitionsTakashi Iwai2020-01-038-20/+22
| | | | | | | | | | | Both snd_vx_hardware and snd_vx_ops are only referred without modification, hence they can be constified gracefully for further optimizations. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-31-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: seq: Constify struct snd_midi_opTakashi Iwai2020-01-036-20/+28
| | | | | | | | | | | Change the argument of snd_midi_process_event() to receive a const snd_midi_op pointer and its callers respectively. This allows further optimizations. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-30-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: info: Make snd_info_entry_ops as constTakashi Iwai2020-01-038-10/+10
| | | | | | | | | | The reference to snd_info_entry_ops is rather read-only, so declare it as a const pointer. This allows a bit more optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-29-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: pci: Constify snd_ac97_bus_ops definitionsTakashi Iwai2020-01-0328-31/+31
| | | | | | | | | | Now snd_ac97_bus() takes the const ops pointer, so we can define the snd_ac97_bus_ops locally as const as well for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-28-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: drivers: Constify snd_ac97_bus_ops definitionsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Now snd_ac97_bus() takes the const ops pointer, so we can define the snd_ac97_bus_ops locally as const as well for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-27-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: atmel: Constify snd_ac97_bus_ops definitionsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Now snd_ac97_bus() takes the const ops pointer, so we can define the snd_ac97_bus_ops locally as const as well for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-26-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: arm: Constify snd_ac97_bus_ops definitionsTakashi Iwai2020-01-032-2/+2
| | | | | | | | | | Now snd_ac97_bus() takes the const ops pointer, so we can define the snd_ac97_bus_ops locally as const as well for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-25-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ac97: Constify snd_ac97_bus_ops definitionsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Now snd_ac97_bus() takes the const ops pointer, so we can define the snd_ac97_bus_ops locally as const as well for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-24-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ac97: Treat snd_ac97_bus_ops as constTakashi Iwai2020-01-033-4/+6
| | | | | | | | | | | This is a preliminary patch to allow const for snd_ac97_bus_ops definitions in each driver's code. The ops reference is read-only, hence it can be declared as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-23-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: Constify snd_timer_hardware definitionsTakashi Iwai2020-01-036-8/+8
| | | | | | | | | | Most of snd_timer_hardware definitions do simply copying to another struct as-is. Mark them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-22-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: timer: Constify snd_timer_hardware definitionsTakashi Iwai2020-01-032-2/+2
| | | | | | | | | | Most of snd_timer_hardware definitions do simply copying to another struct as-is. Mark them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-21-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: docs: Constify snd_device_ops definitionsTakashi Iwai2020-01-031-3/+3
| | | | | | | | Update the documentation for adding the const prefix to snd_device_ops definitions as well. Link: https://lore.kernel.org/r/20200103081714.9560-20-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: spi: Constify snd_device_ops definitionsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-19-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: sh: Constify snd_device_ops definitionsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-18-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: sparc: Constify snd_device_ops definitionsTakashi Iwai2020-01-032-3/+3
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-17-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ppc: Constify snd_device_ops definitionsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-16-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: pcmcia: Constify snd_device_ops definitionsTakashi Iwai2020-01-032-2/+2
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-15-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: parisc: Constify snd_device_ops definitionsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-14-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: mips: Constify snd_device_ops definitionsTakashi Iwai2020-01-032-2/+2
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-13-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: aoa: Constify snd_device_ops definitionsTakashi Iwai2020-01-035-5/+5
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-12-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: usb: Constify snd_device_ops definitionsTakashi Iwai2020-01-031-1/+1
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-11-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: pci: Constify snd_device_ops definitionsTakashi Iwai2020-01-0344-45/+45
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-10-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: hda: Constify snd_device_ops definitionsTakashi Iwai2020-01-034-4/+4
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-9-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: isa: Constify snd_device_ops definitionsTakashi Iwai2020-01-038-8/+8
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-8-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: i2c: Constify snd_device_ops definitionsTakashi Iwai2020-01-034-4/+4
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-7-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: drivers: Constify snd_device_ops definitionsTakashi Iwai2020-01-035-5/+5
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-6-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: core: Constify snd_device_ops definitionsTakashi Iwai2020-01-038-9/+9
| | | | | | | | | | Now we may declare const for snd_device_ops definitions, so let's do it for optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-5-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: core: Treat snd_device_ops as constTakashi Iwai2020-01-032-3/+3
| | | | | | | | | | | This is a preliminary patch to allow const for snd_device_ops definitions in each driver's code. The ops reference is read-only, hence it can be declared as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-4-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: usb: Constify snd_pcm_hardware definitionsTakashi Iwai2020-01-033-3/+3
| | | | | | | | | | Most of snd_pcm_hardware definitions are just copied to another object as-is, hence we can define them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-3-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: pci: Constify snd_pcm_hardware definitionsTakashi Iwai2020-01-0317-23/+23
| | | | | | | | | | Most of snd_pcm_hardware definitions are just copied to another object as-is, hence we can define them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-2-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: hda: constify copied structureJulia Lawall2020-01-011-1/+1
| | | | | | | | | | | The azx_pcm_hw structure is only copied into another structure, so make it const. The opportunity for this change was found using Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Link: https://lore.kernel.org/r/1577864614-5543-3-git-send-email-Julia.Lawall@inria.fr Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ad1816a: constify copied structureJulia Lawall2020-01-011-1/+1
| | | | | | | | | | | The snd_ad1816a_timer_table structure is only copied into another structure, so make it const. The opportunity for this change was found using Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Link: https://lore.kernel.org/r/1577864614-5543-2-git-send-email-Julia.Lawall@inria.fr Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: uapi: Add linux/types.h include back (but carefully)Takashi Iwai2019-12-303-0/+12
| | | | | | | | | | | | | | | | | | A few uapi/sound/*.h headers have been corrected for recovering from the compile errors with the existing user-space code (alsa-lib) by the recent commits. OTOH, these introduced another regression, as now linux/types.h inclusion became mandatory for the uapi header checks. As a compromise, this patch re-adds linux/types.h inclusions again, but conditionally not to break other non-standard user-space stuff again. Fixes: 2e4688676392 ("ALSA: emu10k1: Make uapi/emu10k1.h compilable again") Fixes: d63e63d42107 ("ALSA: hdsp: Make uapi/hdsp.h compilable again") Fixes: 4fa406caf950 ("ALSA: hdspm: Drop linux/types.h inclusion in uapi header") Reported-by: kbuild test robot <lkp@intel.com> Link: https://lore.kernel.org/r/20191230212742.28925-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: usb-audio: fix Corsair Virtuoso mixer label collisionChris Boyle2019-12-281-0/+20
| | | | | | | | | | | The Corsair Virtuoso RGB Wireless is a USB headset with a mic and a sidetone feature. Label its mixer appropriately instead of all "Headset", so that applications such as Pulseaudio don't just move the sidetone control when they intend the main Headset control. Signed-off-by: Chris Boyle <chris@boyle.name> Link: https://lore.kernel.org/r/20191227094053.GA12167@nova.chris.boyle.name Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: control: Fix incompatible protocol errorTakashi Iwai2019-12-261-1/+1
| | | | | | | | | | | | | | | | | The recent change to bump the ALSA control API protocol version from 2.0.7 to 2.1.0 caused a regression on user-space; while the user-space expects both the major and the minor versions to be identical with the supported numbers, we changed the minor number from 0 to 1. For recovering from the incompatibility, this patch changes the protocol version again to 2.0.8, which is compatible, but yet higher than the original number 2.0.7, indicating that the protocol change. Fixes: bd3eb4e87eb3 ("ALSA: ctl: bump protocol version up to v2.1.0") Reported-by: Paul Menzel <pmenzel@molgen.mpg.de> Tested-by: Paul Menzel <pmenzel@molgen.mpg.de> Link: https://lore.kernel.org/r/s5h1rsr769i.wl-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ctl: allow TLV read operation for callback type of element in locked caseTakashi Sakamoto2019-12-241-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A design of ALSA control core allows applications to execute three operations for TLV feature; read, write and command. Furthermore, it allows driver developers to process the operations by two ways; allocated array or callback function. In the former, read operation is just allowed, thus developers uses the latter when device driver supports variety of models or the target model is expected to dynamically change information stored in TLV container. The core also allows applications to lock any element so that the other applications can't perform write operation to the element for element value and TLV information. When the element is locked, write and command operation for TLV information are prohibited as well as element value. Any read operation should be allowed in the case. At present, when an element has callback function for TLV information, TLV read operation returns EPERM if the element is locked. On the other hand, the read operation is success when an element has allocated array for TLV information. In both cases, read operation is success for element value expectedly. This commit fixes the bug. This change can be backported to v4.14 kernel or later. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Reviewed-by: Jaroslav Kysela <perex@perex.cz> Link: https://lore.kernel.org/r/20191223093347.15279-1-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ctl: bump protocol version up to v2.1.0Takashi Sakamoto2019-12-231-1/+1
| | | | | | | | | | | | | | | | | In a development period for v5.6 kernel, some changes are introduced to structures in ALSA control interface: - 'tstamp' member is removed from 'struct snd_ctl_elem_value - 'TSTAMP' flag is removed from a set of access flags for 'struct snd_ctl_elem_info' - 'dimen' member is removed from 'struct snd_ctl_elem_info Although these changes were introduced with enough consideration for backward compatibility, they include slightly lose of it. This commit bumps protocol version of ALSA control interface up to v2.1.0. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20191223023921.8151-5-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ctl: remove dimen member from elem_info structureTakashi Sakamoto2019-12-232-37/+1
| | | | | | | | | | | | | | | | The 'dimen' member of 'struct snd_ctl_elem_info' is designed to deliver information to use an array of value as multi-dimensional values. This feature is used just by echoaudio PCI driver, and fortunately it's not used by the other applications than 'echomixer' in alsa-tools. In a previous commit, usage of 'dimen' member is removed from echoaudio PCI driver. Nowadays no driver/application use the feature. This commit removes the member from structure. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20191223023921.8151-4-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: pci: echoaudio: remove usage of dimen menber of elem_value structureTakashi Sakamoto2019-12-231-11/+0
| | | | | | | | | | | | | | In a couple of years ago, 'echomixer' userspace application was revised not to use 'dimen' member of 'struct snd_ctl_elem_info'. This commit removes usage of 'dimen' member from echoaudio PCI driver so that no implementation uses the member. Reference: 275353bb684e ("ALSA: echoaudio: purge contradictions between dimension matrix members and total number of members") Reference: 51db452df07b ("Revert "ALSA: echoaudio: purge contradictions between dimension matrix members and total number of members") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20191223023921.8151-3-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: ctl: remove unused macro for timestamping of elem_valueTakashi Sakamoto2019-12-231-1/+1
| | | | | | | | | | | | | | | | | | | In a former commit, 'tstamp' member was removed from 'struct snd_ctl_elem_value' in a middle way toward solution of Y2038 issue. In a protocol of ALSA control interface, this member is designed to deliver timestamp information in the value structure when the target element supports SNDRV_CTL_ELEM_ACCESS_TIMESTAMP flag. Actually, the feature is neither used by kernel space nor user space, especiall alsa-lib has no API for the feature. Therefore it's reasonable to remove both of them. Practically, the timestamp information corresponds to no information about type of clock ID. It can bring confusions to applications. Reference: a4e7dd35b9da ("ALSA: Avoid using timespec for struct snd_ctl_elem_value") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20191223023921.8151-2-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>