[alsa-devel] [PATCH 1/2] ALSA: firewire-lib: remove rx_blocks_for_midi quirk

[Takashi Sakamoto]

Iwai-san,

On Nov 27 2014 21:45, Takashi Sakamoto wrote:
> On Nov 26 2014 23:38, Clemens Ladisch wrote:
>> Takashi Sakamoto wrote:
>>> On Nov 26 2014 06:52, Clemens Ladisch wrote:
>>>> There are several devices that expect to receive MIDI data only in the
>>>> first eight data blocks of a packet.  If the driver restricts the data
>>>> rate to the allowed rate (as mandated by the specification, but not yet
>>>> implemented by this driver), this happens naturally.  Therefore, there
>>>> is no reason to ever try to use more data packets with any device.
>>>>
>>>> Signed-off-by: Clemens Ladisch <clemens at ladisch.de>
>>>> ---
>>>>  sound/firewire/amdtp.c                      |   10 +++++++---
>>>>  sound/firewire/amdtp.h                      |    3 ---
>>>>  sound/firewire/bebob/bebob_stream.c         |    7 -------
>>>>  sound/firewire/fireworks/fireworks_stream.c |    5 -----
>>>>  4 files changed, 7 insertions(+), 18 deletions(-)
>
> Reviewed-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
> Tested-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
> 
> I tested these two patch with below devices. All of them can transmit
> MIDI messages correctly at any sampling transfer tates.
> 
> M-Audio: FIreWire 1814 (snd-bebob)
> M-Audio: FireWire 410 (snd-bebob)
> M-Audio: FireWire AudioPhile (snd-bebob)
> M-Audio: Ozonic (snd-bebob)
> Yamaha: GO44 (snd-bebob)
> Yamaha: GO46 (snd-bebob)
> Echo Audio: AudioFire4 (snd-fireworks)
> Echo Audio: AudioFirePre8 (snd-fireworks)
> TC Electronic: Impact Twin (snd-dice)
> 
> These two patches solves one of issues which I wrote in my report.
> 9.5 A lack of throttles for MIDI messages in outgoing stream
> https://github.com/takaswie/alsa-firewire-report

I think these two patches are deserved to merge. Could you apply these
two patches to linux-next?

Regards

Takashi Sakamoto
o-takashi at sakamocchi.jp