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2019-08-05ALSA: bebob: support AMDTP domainTakashi Sakamoto
This commit adds AMDTP domain support for ALSA bebob driver. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: fireface: code refactoring for initialization/destruction of AMDTP streamTakashi Sakamoto
This commit is a preparation to support AMDTP domain. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: firewire-motu: code refactoring for initialization/destruction of ↵Takashi Sakamoto
AMDTP stream This commit is a preparation to support AMDTP domain. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: firewire-tascam: code refactoring for initialization/destruction of ↵Takashi Sakamoto
AMDTP stream This commit is a preparation to support AMDTP domain. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: firewire-digi00x: code refactoring for initialization/destruction of ↵Takashi Sakamoto
AMDTP stream This commit is a preparation to support AMDTP domain. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: fireworks: code refactoring for bus reset handlerTakashi Sakamoto
This commit is a preparation to support AMDTP domain. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: fireworks: code refactoring for initialization/destruction of AMDTP ↵Takashi Sakamoto
streams This commit is a preparation to support AMDTP domain. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: firewire-lib: add a kernel API to start AMDTP streams in AMDTP domainTakashi Sakamoto
This commit adds a kernel API to start a couple of isochronous contexts for some AMDTP streams. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: firewire-lib: add a kernel API to add AMDTP stream into AMDTP domainTakashi Sakamoto
This commit adds a kernel API to insert AMDTP stream to list in AMDTP domain. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: firewire-lib: add a kernel API to stop a couple of AMDTP streams in ↵Takashi Sakamoto
AMDTP domain This commit adds a kernel API to stop a couple of isochronous contexts for AMDTP streams. The API is not protected with any lock primitive. Callers should use this with enough lock against concurrent access. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-05ALSA: firewire-lib: add AMDTP domain structure to handle several isoc contextsTakashi Sakamoto
This commit adds 'struct amdtp_domain' structure. This structure has list of instance of AMDTP stream to handle a couple of isochronous contexts. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-motu: more code refactoring for MOTU data block processing layerTakashi Sakamoto
MOTU data block processing layer has some tracepoints events. This commit is code refactoring to split probing the events from processing data blocks. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: process payload of isoc context according to packet ↵Takashi Sakamoto
descriptors This commit changes each of data block processing layer so that it receives list of packet descriptor. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: fireface: code refactoring for FF data block processing layerTakashi Sakamoto
This is code refactoring for FF data block processing layer so that it can receive list of packet descriptor. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-motu: code refactoring for MOTU data block processing layerTakashi Sakamoto
This is code refactoring for MOTU data block processing layer so that it can receive list of packet descriptor. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-tascam: code refactoring for TASCAM data block processing layerTakashi Sakamoto
This is code refactoring for TASCAM data block processing layer so that it can receive list of packet descriptor. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-digi00x: code refactoring for DOT data block processing layerTakashi Sakamoto
This is code refactoring for DOT data block processing layer so that it can receive list of packet descriptor. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: code refactoring for AM824 data block processing layerTakashi Sakamoto
This is code refactoring for AM824 data block processing layer so that it can receive list of packet descriptor. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: pass packet descriptor to data block processing layerTakashi Sakamoto
This commit changes signature of callback function to call data block processing layer with packet descriptor. At present, the layer is called per packet. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: code refactoring to process context payloadsTakashi Sakamoto
This is code refactoring for common processing for payloads of ishocornous context. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: code refactoring to process PCM substreamTakashi Sakamoto
This is code refactoring to separate PCM substream processing from packet queueing. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: use packet descriptor for IR contextTakashi Sakamoto
This commit uses packet descriptor to parse headers of IR context and parse timing information for sequence transferred by target device. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: use packet descriptor for IT contextTakashi Sakamoto
This commit uses packet descriptor to parse headers of IT context and generate timing information for ideal sequence. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: add list of packet descriptorTakashi Sakamoto
In current implementation of ALSA IEC 61883-1/6 packet streaming engine, 16 packets are handled in one interrupt of isochronous context of OHCI 1394. Overall packet processing runs for each. However, this is not better in a point to split the processing into several parts. This commit is an attempt to add intermediate representation for parameters required for the parts. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: pass no syt information to data block processing layerTakashi Sakamoto
In a previous commit, the variable passed from packet streaming layer for syt variable is useless. This commit obsoletes it. In my future work, the syt information is passed to data block processing layer by another way. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: add syt_override member for some protocolsTakashi Sakamoto
Some protocols don't use syt field of CIP header to represent presentation timestamp. For such protocol, ALSA IEC 61883-1/6 packet streaming engine uses a pointer into local variable for the value of syt to call data block processing layer. However, it can decide the value when initializing packet streaming layer. This commit adds 'syt_override' member for packet streaming layer. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: operate data block counter in top level of processing ↵Takashi Sakamoto
for IR context In ALSA IEC 61883-1/6 packet streaming engine, two types of data block counter are supported. This commit applies code refactoring to make it explicitly for IR context. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: operate data block counter in top level of processing ↵Takashi Sakamoto
for IT context In ALSA IEC 61883-1/6 packet streaming engine, two types of data block counter are supported. This commit applies code refactoring to make it explicitly for IT context. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: pass data block counter to data block processing layerTakashi Sakamoto
This is a preparation for future commit that 'struct amdtp_stream.data_block_count' does not represent the value of data block count for current data block. However, data block count is required for calculation of sequence index in sequence-multiplied data channel. Some of data block processing layer require it; e.g. for AM824 data block. This commit passes data block count to the processing layer. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: pass data block count as an argument to tracepoints eventTakashi Sakamoto
This is a preparation for future commit that 'struct amdtp_stream.data_block_count' does not represent the value of data block count for current data block. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22ALSA: firewire-lib: obsolete ctx_data.tx.first_dbc with CIP_UNALIGHED_DBC flagTakashi Sakamoto
Recent firmware for Fireworks board module have a quirk to start transmission of CIP with non-zero value for its data block counter. In current implementation of ALSA firewire stack, the quirk is handled by 'struct amdtp_stream.ctx_data.tx.first_dbc' with value 0x02. However, the value comes from reverse engineering. It's better to handle this quirk without the explicit value. In a process to parse CIP header, the quirk of data block counter affects decision of sequence index in sequence-multiplexed data channel; i.e. MIDI conformant data channel. In Fireworks, the index is decided by the number of data blocks from top of the same CIP, thus the value of data block counter is useless. This commit adds CIP_UNALIGHED_DBC flag and obsoletes the explicit value for this quirk. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08ALSA: firewire-lib: code refactoring for local variablesTakashi Sakamoto
It's better to use int type for loop index. For consistency, the name of local variable for the number of data block should be plural. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08ALSA: firewire-lib: code refactoring for post operation to data block counterTakashi Sakamoto
As a result of former commits, post operation to data block count for cases without CIP_DBC_IS_END_EVENT can be done just with data_block_counter member of amdtp_stream structure. This commit adds code refactoring to obsolete local variable for data block counter. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08ALSA: firewire-lib: code refactoring for error path of parser for CIP headerTakashi Sakamoto
When a parser for CIP header returns -EAGAIN, no extra care is needed to probe tracepoints event. This commit adds code refactoring for the error path. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08ALSA: firewire-lib: fix different data block counter between probed event ↵Takashi Sakamoto
and transferred isochronous packet For IT context, tracepoints event is probed after calculating next data block counter. This brings difference of data block counter between the probed event and actual isochronous packet. This commit fixes it. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08ALSA: firewire-lib: fix initial value of data block count for IR context ↵Takashi Sakamoto
without CIP_DBC_IS_END_EVENT For IR context, ALSA IEC 61883-1/6 engine uses initial value of data block counter as UINT_MAX, to detect first isochronous packet in the middle of packet streaming. At present, when CIP_DBC_IS_END_EVENT is not used (i.e. for drivers except for ALSA fireworks driver), the initial value is used as is for tracepoints event. However, the engine can detect the value of dbc field in the payload of first isochronous packet and the value should be assigned to the event. This commit fixes the bug. Fixes: 76864868dbab ("ALSA: firewire-lib: cache next data_block_counter after probing tracepoints event for IR context") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08ALSA: firewire-lib/fireface: fix initial value of data block counter for IR ↵Takashi Sakamoto
context with CIP_NO_HEADER For IR context, ALSA IEC 61883-1/6 engine uses initial value of data block counter as UINT_MAX, to detect first isochronous packet in the middle of packet streaming. At present, when CIP_NO_HEADER is used (i.e. for ALSA fireface driver), the initial value is used for tracepoints event. 0x00 should be for the event when the initial value is UINT_MAX because isochronous packets with CIP_NO_HEADER option has no field for data block count. This commit fixes the bug. Fixes: 76864868dbab ("ALSA: firewire-lib: cache next data_block_counter after probing tracepoints event for IR context") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08ALSA: firewire-lib: fix invalid length of rx packet payload for tracepoint ↵Takashi Sakamoto
events Although CIP header is handled as context header, the length of isochronous packet includes two quadlets for its payload. In tracepoints event the value of payload_quadlets should includes the two quadlets. But at present it doesn't. This commit fixes the bug. Fixes: b18f0cfaf16b ("ALSA: firewire-lib: use 8 byte packet header for IT context to separate CIP header from CIP payload") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08Merge tag 'asoc-v5.3' of ↵Takashi Iwai
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Updates for v5.3 This is a very big update, mainly thanks to Morimoto-san's refactoring work and some fairly large new drivers. - Lots more work on moving towards a component based framework from Morimoto-san. - Support for force disconnecting muxes from Jerome Brunet. - New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90, Conexant CX2072X, Realtek RT1011 and RT1308. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07firewire-motu: fix wrong reference count for stream functionality at error ↵Takashi Sakamoto
path of rawmidi interface In IEC 61883-6, several types of sampling data can be multiplexed into payload of common isochronous packet (CIP). For typical audio and music units, PCM samples and MIDI messages are multiplexed into one packet streaming. ALSA firewire-motu driver allows applications of rawmidi interface to start packet streaming for transmission of MIDI messages. However at error path, the reference count of stream functionality is not operated correctly. This can brings a bug that packet streaming is not stopped when all referrers release the count. This commit fixes the bug. Fixes: 8edc56ec8f14 ("ALSA: firewire-motu: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07ALSA: firewire-digi00x: fix wrong reference count for stream functionality ↵Takashi Sakamoto
at error path of rawmidi interface In IEC 61883-6, several types of sampling data can be multiplexed into payload of common isochronous packet (CIP). For typical audio and music units, PCM samples and MIDI messages are multiplexed into one packet streaming. ALSA firewire-digi00x driver allows applications of rawmidi interface to start packet streaming for transmission of MIDI messages. However at error path, the reference count of stream functionality is not operated correctly. This can brings a bug that packet streaming is not stopped when all referrers release the count. This commit fixes the bug. Fixes: ae8ffbb26512 ("ALSA: firewire-digi00x: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07ALSA: dice: fix wrong reference count for stream functionality at error path ↵Takashi Sakamoto
of rawmidi interface In IEC 61883-6, several types of sampling data can be multiplexed into payload of common isochronous packet (CIP). For typical audio and music units, PCM samples and MIDI messages are multiplexed into one packet streaming. ALSA dice driver allows applications of rawmidi interface to start packet streaming for transmission of MIDI messages. However at error path, the reference count of stream functionality is not operated correctly. This can brings a bug that packet streaming is not stopped when all referrers release the count. This commit fixes the bug. Fixes: 3cd2c2d780a2 ("ALSA: dice: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07ALSA: oxfw: fix wrong reference count for stream functionality at error path ↵Takashi Sakamoto
of rawmidi interface In IEC 61883-6, several types of sampling data can be multiplexed into payload of common isochronous packet (CIP). For typical audio and music units, PCM samples and MIDI messages are multiplexed into one packet streaming. ALSA oxfw driver allows applications of rawmidi interface to start packet streaming for transmission of MIDI messages. However at error path, the reference count of stream functionality is not operated correctly. This can brings a bug that packet streaming is not stopped when all referrers release the count. This commit fixes the bug. Fixes: 4f380d007052 ("ALSA: oxfw: configure packet format in pcm.hw_params callback") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07ALSA: fireworks: fix wrong reference count for stream functionality at error ↵Takashi Sakamoto
path of rawmidi interface In IEC 61883-6, several types of sampling data can be multiplexed into payload of common isochronous packet (CIP). For typical audio and music units, PCM samples and MIDI messages are multiplexed into one packet streaming. ALSA fireworks driver allows applications of rawmidi interface to start packet streaming for transmission of MIDI messages. However at error path, the reference count of stream functionality is not operated correctly. This can brings a bug that packet streaming is not stopped when all referrers release the count. This commit fixes the bug. Fixes: 3d7250667ea9 ("ALSA: fireworks: configure sampling transfer frequency in pcm.hw_params callback") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07ALSA: bebob: fix wrong reference count for stream functionality at error ↵Takashi Sakamoto
path of rawmidi interface In IEC 61883-6, several types of sampling data can be multiplexed into payload of common isochronous packet (CIP). For typical audio and music units, PCM samples and MIDI messages are multiplexed into one packet streaming. ALSA bebob driver allows applications of rawmidi interface to start packet streaming for transmission of MIDI messages. However at error path, the reference count of stream functionality is not operated correctly. This can brings a bug that packet streaming is not stopped when all referrers release the count. This commit fixes the bug. Fixes: ac2888b958f2 ("ALSA: bebob: configure sampling transfer frequency in pcm.hw_params callback") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-01Merge branch 'for-linus' into for-nextTakashi Iwai
This back-merge is necessary for adjusting the latest FireWire fix with the recent refactoring in 5.3 development branch. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-01ALSA: firewire-lib/fireworks: fix miss detection of received MIDI messagesTakashi Sakamoto
In IEC 61883-6, 8 MIDI data streams are multiplexed into single MIDI conformant data channel. The index of stream is calculated by modulo 8 of the value of data block counter. In fireworks, the value of data block counter in CIP header has a quirk with firmware version v5.0.0, v5.7.3 and v5.8.0. This brings ALSA IEC 61883-1/6 packet streaming engine to miss detection of MIDI messages. This commit fixes the miss detection to modify the value of data block counter for the modulo calculation. For maintainers, this bug exists since a commit 18f5ed365d3f ("ALSA: fireworks/firewire-lib: add support for recent firmware quirk") in Linux kernel v4.2. There're many changes since the commit. This fix can be backported to Linux kernel v4.4 or later. I tagged a base commit to the backport for your convenience. Besides, my work for Linux kernel v5.3 brings heavy code refactoring and some structure members are renamed in 'sound/firewire/amdtp-stream.h'. The content of this patch brings conflict when merging -rc tree with this patch and the latest tree. I request maintainers to solve the conflict to replace 'tx_first_dbc' with 'ctx_data.tx.first_dbc'. Fixes: df075feefbd3 ("ALSA: firewire-lib: complete AM824 data block processing layer") Cc: <stable@vger.kernel.org> # v4.4+ Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-28ALSA: firewire-lib: fix to process MIDI conformant data channel for AM824 formatTakashi Sakamoto
In IEC 61883-6, 8 MIDI data streams are multiplexed into single MIDI conformant data channel. The index of stream is calculated by modulo 8 of the value of data block counter. Therefore data block processing layer requires valid value of data block counter. In recent changes of ALSA IEC 61883-1/6 engine, the value of data block counter is changed before calling data block processing layer. This brings miss detection of MIDI messages in non-blocking transmission method is used. This commit fixes the bug by changing chached data block counter after calling data block processing layer. Fixes: e335425b6596 ("ALSA: firewire-lib: split helper function to check incoming CIP header") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-28ALSA: firewire-lib: cache next data_block_counter after probing tracepoints ↵Takashi Sakamoto
event for IR context For debugging purpose, ALSA IEC 61883-1/6 engine has tracepoints event. In current implementation, next data block counter is stored as current data block counter before probing the event for IR isoc context. It's not good to check current packet parameter. This commit changes to assign the next data block counter after probing the event. Besides, Fireworks devices has a quirk to transfer isoc packet with data block counter for the last data block. For this quirk, the assignment is done before calling data block processing layer. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-24ALSA: firewire-motu: unify common tracepoints for both directionTakashi Sakamoto
In ALSA firewire-motu driver, some tracepoints are supported to probe vendor-specific data fields for SPH and status/control messages in payload of isochronous packet. At present, the events of tracepoints are unique each of direction, however the pair of events has the same structure and print format. It's possible to unify the pair. This commit unifies the pair. From userspace, direction is specified by filtering for src/dst fields in the structure. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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