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2019-06-12ALSA: oxfw: configure packet format in pcm.hw_params callbackTakashi Sakamoto4-29/+62
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. At present, several operations are done in pcm.prepare callback. To reduce load of the callback, This commit splits out an operation to set packet format in pcm.hw_params callback. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: oxfw: unify substreams counterTakashi Sakamoto4-12/+11
In former commits, two isochronous contexts are handles at the same time. This commit unifies stream counters to obsolete them. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: oxfw: rename helper functions for duplex streamsTakashi Sakamoto5-53/+58
In former commits, ALSA oxfw driver handles two isochronous contexts at the same time, except for some devices which supports one endpoint of isochronous packet stream. This commit renames some helper functions so that they handles duplex streams. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: oxfw: expand stop procedure for packet streamingTakashi Sakamoto1-33/+35
The helper function stop packet streaming is not enough useful. This commit obsoletes it and expands its code. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: oxfw: break packet streaming at bus-reset handlerTakashi Sakamoto1-10/+3
In most cases, recovery from bus reset is not successful. This commit aborts packet streaming in bus reset handler. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: oxfw: start duplex streams if supportedTakashi Sakamoto1-53/+49
It's inconvenient to handle two isochronous context separately each other. This commit unifies the counters to handle the two at the same time. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: oxfw: set packet parameter according to current configurationTakashi Sakamoto1-24/+24
After a call of pcm.hw_params, the state of target device is expected for applications. This commit retrieves the state and start packet streaming. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: oxfw: code refactoring for stop condition of packet streamingTakashi Sakamoto1-5/+2
This commit unifies stop condition due to queueing error and unmatched state of the target device. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: fireworks: don't set XRUN in stop streamingTakashi Sakamoto1-1/+0
When stopping packet streaming, no need to stop PCM substream with XRUN state. This commit suppresses it. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: fireworks: configure stream parameters in pcm.hw_params callbackTakashi Sakamoto1-33/+49
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. This commit splits out an operation to configure stream parameters into pcm.hw_params callback. In pcm.prepare callback, establishing connections and start isochronous contexts. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: fireworks: configure sampling transfer frequency in pcm.hw_params callbackTakashi Sakamoto4-32/+57
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. At present, several operations are done in pcm.prepare callback. To reduce load of the callback, This commit splits out an operation to set sampling transfer frequency in pcm.hw_params callback. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: fireworks: code refactoring for pcm.hw_params/hw_freeTakashi Sakamoto1-39/+6
Two sets of callbacks for pcm.hw_params/hw_free but they have the same codes. This commit unifies each of the callbacks. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: fireworks: code refactoring for rawmidi.open/closeTakashi Sakamoto1-39/+6
Two sets of callbacks for rawmidi.open/close but they have the same codes. This commit unifies each of the callbacks. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: fireworks: unify substream counterTakashi Sakamoto4-27/+19
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. It's inconvenient to handle two isochronous context separately each other. This commit unifies the counters to handle the two at the same time. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: bebob: code refactoring to initialize/destroy stream dataTakashi Sakamoto1-60/+61
This commit changes helper functions to initialize/destroy stream data so that it has an argument for direction. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: bebob: obsolete useless member of private structureTakashi Sakamoto2-9/+0
The private structure of this driver has 'connected' member but nowadays it's useless. This commit removes it. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: bebob: don't set XRUN in stop streamingTakashi Sakamoto1-3/+0
When stopping packet streaming, no need to stop PCM substream with XRUN state. This commit suppresses it. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-12ALSA: bebob: configure sampling transfer frequency in pcm.hw_params callbackTakashi Sakamoto4-123/+136
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. At present, several operations are done in pcm.prepare callback. To reduce load of the callback, This commit splits out an operation to set sampling transfer frequency in pcm.hw_params callback. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: hda: fix a mask for unsolicited event tagsGuennadi Liakhovetski1-1/+1
Response tag only occupies 6 bits, not 7. This bug is harmless, since the value has just been shifted to the right by 26 bits, so this is only a cosmetic fix. Signed-off-by: Guennadi Liakhovetski <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: dice: code refactoring for pcm.hw_params/hw_free callbacksTakashi Sakamoto1-47/+7
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both direction have no differences. This commit unifies the pairs. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: dice: update isochronous resources when starting packet streaming ↵Takashi Sakamoto1-0/+10
after bus-reset After bus reset, isochronous resource manager releases all of allocated isochronous resources. The nodes to transfer isochronous packet should request reallocation of the resources. However, between the bus-reset and invocation of 'struct fw_driver.update' handler, ALSA PCM application can detect this situation by XRUN because the target device cancelled to transmit packets once bus-reset occurs. Due to the above mechanism, ALSA fireface driver just stops packet streaming in the update handler, thus pcm.prepare handler should request the reallocation. This commit requests the reallocation in pcm.prepare callback when bus generation is changed. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: dice: reserve/release isochronous resources in pcm.hw_params/hw_free ↵Takashi Sakamoto4-115/+143
callbacks Once allocated, isochronous resources are available for packet streaming, even if the streaming is cancelled. For this reason, current implementation handles allocation of the resources and starting packet streaming at the same time. However, this brings complicated procedure to start packet streaming. This commit separates the allocation and starting. The allocation is done in pcm.hw_params callback and available till pcm.hw_free callback. Even if any XRUN occurs, pcm.prepare callback is done to restart packet streaming without releasing/allocating the resources. There are two points to stop packet streaming; in pcm.hw_params and pcm.prepare callbacks. The former point is a case that packet streaming is already started for any MIDI substream then packet streaming is requested with different sampling transfer frequency for any PCM substream. The latter point is cases of any XRUN or packet queueing error. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: dice: code refactoring to keep isochronous resourcesTakashi Sakamoto1-59/+74
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. This commit adds a helper function to allocate isochronous resources, separated from operations to start packet streaming, I note that some dice-based devices have two pair of endpoints for isochronous packet straeming. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: dice: code refactoring to stop packet streamingTakashi Sakamoto1-13/+14
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. There're three points to finish packet streaming but no helper functions for common operations for it. This commit adds a helper function for operations to finish packet streaming. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-digi00x: code refactoring for pcm.hw_params/hw_free callbacksTakashi Sakamoto1-48/+7
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both direction have no differences. This commit unifies the pairs. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-digi00x: update isochronous resources when starting packet ↵Takashi Sakamoto1-0/+11
streaming after bus-reset After bus reset, isochronous resource manager releases all of allocated isochronous resources. The nodes to transfer isochronous packet should request reallocation of the resources. However, between the bus-reset and invocation of 'struct fw_driver.update' handler, ALSA PCM application can detect this situation by XRUN because the target device cancelled to transmit packets once bus-reset occurs. Due to the above mechanism, ALSA fireface driver just stops packet streaming in the update handler, thus pcm.prepare handler should request the reallocation. This commit requests the reallocation in pcm.prepare callback when bus generation is changed. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-digi00x: reserve/release isochronous resources in ↵Takashi Sakamoto4-51/+73
pcm.hw_params/hw_free callbacks Once allocated, isochronous resources are available for packet streaming, even if the streaming is cancelled. For this reason, current implementation handles allocation of the resources and starting packet streaming at the same time. However, this brings complicated procedure to start packet streaming. This commit separates the allocation and starting. The allocation is done in pcm.hw_params callback and available till pcm.hw_free callback. Even if any XRUN occurs, pcm.prepare callback is done to restart packet streaming without releasing/allocating the resources. There are two points to stop packet streaming; in pcm.hw_params and pcm.prepare callbacks. The former point is a case that packet streaming is already started for any MIDI substream then packet streaming is requested with different sampling transfer frequency for any PCM substream. The latter point is cases of any XRUN or packet queueing error. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-digi00x: code refactoring to keep isochronous resourcesTakashi Sakamoto1-24/+18
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. All of models in Digidesign Digi00x family have the same formation of data channels in isochronous packet for both directions. This commit simplifies allocation of isochronous resources in this point. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-digi00x: simplify error path to begin streaming sessionTakashi Sakamoto1-6/+3
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. The caller of begin_session() calls finish_session() in its error path, thus no need to call finish_session() in error path of begin_session(). This commit simplifies error path of begin_session(). Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-digi00x: code refactoring to finish streaming sessionTakashi Sakamoto1-13/+9
This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. The operation to finish packet streaming corresponds to stopping isochronous contexts. This commit applies code refactoring to move codes to stop into a helper function to finish the session. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-digi00x: refactoring to move timing of registration for ↵Takashi Sakamoto1-22/+19
isochronous channel This commit is a part of preparation to perform allocation/release of isochronous resources in pcm.hw_params/hw_free callbacks. The registration of isochronous channels is done just after allocation of isochronous resources. This commit separates the registration just before starting packet streaming. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: usb-audio: Enable .product_name override for Emagic, Unitor 8.Stefan Sauer1-1/+1
The Emagic Unitor 8 does not provide iManufacturer and iProduct fields in its device descriptor. These fields are used by alsa to make build the device name. Thus uncomment the .product-name in the quirks-table. Without this change the device shows up as 'USB Device 0x86a:0x01'. Output of lsusb and amidi: https://gist.github.com/ensonic/7820a102e91f31575be355da2b6b33bc Signed-off-by: Stefan Sauer <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: ice1712: Check correct return value to snd_i2c_sendbytes (EWS/DMX 6Fire)Rui Nuno Capela1-1/+1
Check for exact and correct return value to snd_i2c_sendbytes call for EWS/DMX 6Fire (snd_ice1712). Fixes a systemic error on every boot starting from kernel 5.1 onwards to snd_ice1712 driver ("cannot send pca") on Terratec EWS/DMX 6Fire PCI soundcards. Check for exact and correct return value to snd_i2c_sendbytes call for EWS/DMX 6Fire (snd_ice1712). Fixes a systemic error on every boot to snd_ice1712 driver ("cannot send pca") on Terratec EWS/DMX 6Fire PCI soundcards. Fixes: c99776cc4018 ("ALSA: ice1712: fix a missing check of snd_i2c_sendbytes") Signed-off-by: Rui Nuno Capela <[email protected]> Cc: <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: oxfw: allow PCM capture for Stanton SCS.1mTakashi Sakamoto1-3/+0
Stanton SCS.1m can transfer isochronous packet with Multi Bit Linear Audio data channels, therefore it allows software to capture PCM substream. However, ALSA oxfw driver doesn't. This commit changes the driver to add one PCM substream for capture direction. Fixes: de5126cc3c0b ("ALSA: oxfw: add stream format quirk for SCS.1 models") Cc: <[email protected]> # v4.5+ Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: fireface: code refactoring for pcm.hw_params/hw_free callbacksTakashi Sakamoto1-48/+7
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both direction have no differences. This commit unifies the pairs. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: fireface: minor code refactoring to finish streaming sessionTakashi Sakamoto1-17/+6
The operation to finish packet streaming corresponds to stopping isochronous contexts. This commit applies code refactoring to move codes to stop into a helper function to finish the session. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: fireface: update isochronous resources when starting packet streaming ↵Takashi Sakamoto3-14/+36
after bus-reset After bus reset, isochronous resource manager releases all of allocated isochronous resources. The nodes to restart packet streaming should request reallocation of the resources. However, between the bus-reset and invocation of 'struct fw_driver.update' handler, ALSA PCM application can detect this situation by XRUN because the target device cancelled to transmit packets once bus-reset occurs. Due to the above mechanism, ALSA fireface driver just stops packet streaming in the update handler, thus pcm.prepare handler should request the reallocation. This commit requests the reallocation in pcm.prepare callback when bus generation is changed. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: fireface: reserve/release isochronous resources in ↵Takashi Sakamoto3-30/+57
pcm.hw_params/hw_free callbacks Once allocated, isochronous resources are available for packet streaming, even if the streaming is cancelled. For this reason, current implementation handles allocation of the resources and starting packet streaming at the same time. However, this brings complicated procedure to start packet streaming. This commit separates the allocation and starting. The allocation is done in pcm.hw_params callback and available till pcm.hw_free callback. Even if any XRUN occurs, pcm.prepare callback is done to restart packet streaming for allocated the resources. There are two points to stop packet streaming; in pcm.hw_params and pcm.prepare callbacks. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: fireface: support allocate_resources operation in latter protocolTakashi Sakamoto1-57/+56
This commit is a part of preparation to perform allocation/release of isochronous channels in pcm.hw_params/hw_free callbacks. This commit implements allocate_resources callback for the protocol specific to latter models. The encoded values of constant table is split into several condition statements to separate the operation to configure sampling transfer frequency from the operation to configure the number of data channels in rx packet. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: fireface: support allocate_resources operation in ff400 protocolTakashi Sakamoto1-20/+16
This commit is a part of preparation to perform allocation/release of isochronous channels in pcm.hw_params/hw_free callbacks. This commit implements allocate_resources callback for ff400 protocol. In this callback, sampling transfer frequency is configured to the device as well. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: fireface: support allocate_resources operation in ff800 protocolTakashi Sakamoto1-24/+22
This commit is a part of preparation to perform allocation/release of isochronous channels in pcm.hw_params/hw_free callbacks. This commit implements allocate_resources callback for ff800 protocol. As I noted in commit fc716397a5c7 ("ALSA: fireface: add support for packet streaming on Fireface 800"), this unit allocates isochronous resources for tx stream voluntarily. Therefore, this commit is to maintain isochronous rsources for rx stream. In the callback, sampling transfer frequency is configured to the device as well. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: fireface: add protocol-specific operation to allocate isochronous ↵Takashi Sakamoto2-0/+5
resources This commit is a part of preparation to perform allocation/release of isochronous channels in pcm.hw_params/hw_free callbacks. In ALSA fireface driver, the allocation of isochronous resources is programmed in each implementation of protocol. This commit adds protocol-specific operation for the allocation separated from the operation to begin session. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-tascam: code refactoring for pcm.hw_params/hw_free callbacksTakashi Sakamoto1-48/+7
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both direction have no differences. This commit unifies the pairs. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-tascam: minor code refactoring to finish streaming sessionTakashi Sakamoto1-16/+5
The operation to finish packet streaming corresponds to stopping isochronous contexts. This commit applies code refactoring to move codes to stop into a helper function to finish the session. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-tascam: update isochronous resources when starting packet ↵Takashi Sakamoto1-1/+12
streaming after bus reset After bus reset, isochronous resource manager releases all of allocated isochronous resources. The nodes to restart packet streaming should request reallocation of the resources. However, between the bus-reset and invocation of 'struct fw_driver.update' handler, ALSA PCM application can detect this situation by XRUN because the target device cancelled to transmit packets once bus-reset occurs. Due to the above mechanism, ALSA firewire-tascam driver just stops packet streaming in the update handler, thus pcm.prepare handler should request the reallocation. This commit requests the reallocation in pcm.prepare callback when bus generation is changed. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-tascam: reserve/release isochronous resources in ↵Takashi Sakamoto3-37/+66
pcm.hw_params/hw_free callbacks Once allocated, isochronous resources are available for packet streaming, even if the streaming is cancelled. For this reason, current implementation handles allocation of the resources and starting packet streaming at the same time. However, this brings complicated procedure to start packet streaming. This commit separates the allocation and starting. The allocation is done in pcm.hw_params callback and available till pcm.hw_free callback. Even if any XRUN occurs, pcm.prepare callback is done to restart packet streaming for allocated the resources. There are two points to stop packet streaming; in pcm.hw_params and pcm.prepare callbacks. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-tascam: code refactoring for release of isochronous resourcesTakashi Sakamoto1-10/+8
This commit is a part of preparation to perform allocation/release of isochronous channels in pcm.hw_params/hw_free callbacks. This commit obsoletes a helper function to release isochronous resources for both direction. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-tascam: code refactoring for reservation of isochronous resourcesTakashi Sakamoto1-22/+16
This commit is a part of preparation to perform allocation/release of isochronous channels in pcm.hw_params/hw_free callbacks. This commit applies minor code refactoring for a helper function to allocate isochronous resources. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: firewire-tascam: code refactoring for registration of isochronous channelsTakashi Sakamoto1-44/+40
This commit is a part of preparation to perform allocation/release of isochronous channels in pcm.hw_params/hw_free callbacks. The registration of isochronous channels is done just after allocation of isochronous resources. This commit separates the registration just before starting packet streaming. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2019-06-11ALSA: lx6464es - Remove set but not used variables 'orun_mask, urun_mask'YueHaibing1-5/+0
Fixes gcc '-Wunused-but-set-variable' warning: sound/pci/lx6464es/lx_core.c: In function 'lx_interrupt_handle_async_events': sound/pci/lx6464es/lx_core.c:990:6: warning: variable 'urun_mask' set but not used [-Wunused-but-set-variable] sound/pci/lx6464es/lx_core.c:989:6: warning: variable 'orun_mask' set but not used [-Wunused-but-set-variable] They are never used, so can be removed. Signed-off-by: YueHaibing <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
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