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From: Pavel Hofman <pavel.hofman@insite.cz>
To: Takashi Iwai <tiwai@suse.de>
Cc: ALSA development <alsa-devel@alsa-project.org>,
	Rainer Zimmermann <mail@lightshed.de>
Subject: Re: PATCH - ESI Juli driver
Date: Mon, 17 Mar 2008 10:37:22 +0100	[thread overview]
Message-ID: <47DE3BD2.5090007@insite.cz> (raw)
In-Reply-To: <s5htzj5r9d6.wl%tiwai@suse.de>

>>
>> I did not want to copy/paste any algorithmical code from ice1724.c to 
>> juli.c as it complicates future maintenance. Now, the vt1724 code in 
>> ice1724.c is pretty much about general algorhitms, specific routines are 
>> in stdclock_... I tested the original clock with Prodigy192 which 
>> provided testing analog/SPDIF signals. There are no functional changes.
> 
> I see the point that you want to make it generic.  But, too many
> callbacks, in other words, too many tuning parameters make the code
> difficult to follow.  It's a question of balance.

Takashi, I understand your concern. On the other hand, if the callbacks 
are well documented, it actually makes the code easier to follow, as it 
separates general algorithms from detailed HW implementation. I can 
certainly add more comments to the callback functions.

Honestly, I do not know which callbacks to remove (apart of those two 
not redefined in Juli). Otherwise I will have to copy/paste serious 
portions of code to juli.c which I would really want to avoid.

As I see it, the clocking code in ice1724 was written for one specific 
implementation. There was no need to do so in a general way and I 
completely understand that. Nevertheless, juli uses a different clock 
implementation and I believe the time has come to make the code in 
ice1724 more general. Unfortunately, I do not know of any other 
technology but callbacks.

What would you recommend?

Thanks,

Pavel.


> 
> 
> Takashi
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel

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  reply	other threads:[~2008-03-17  9:37 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-16 12:57 PATCH - ESI Juli driver Pavel Hofman
2008-03-17  7:59 ` Takashi Iwai
2008-03-17  8:57   ` Pavel Hofman
2008-03-17  9:24     ` Takashi Iwai
2008-03-17  9:37       ` Pavel Hofman [this message]
2008-03-17 13:04         ` Takashi Iwai
2008-03-17 14:08           ` Pavel Hofman
2008-03-17 15:17             ` Takashi Iwai
2008-03-17 15:50               ` Pavel Hofman
2008-03-17 15:59                 ` Takashi Iwai
2008-03-17 16:39                   ` Pavel Hofman
2008-03-17 23:28                   ` Pavel Hofman
2008-03-18  6:56                   ` PATCH - ESI Juli driver - removed debugs Pavel Hofman
2008-03-18 14:59                     ` Takashi Iwai
2008-03-18 15:59                       ` Pavel Hofman
2008-03-20 14:20                         ` Pavel Hofman
2008-03-20 21:49                           ` PATCH - ESI Juli driver - OK Pavel Hofman
2008-03-18 19:24                       ` PATCH - ESI Juli driver - works OK Pavel Hofman
2008-03-20 11:37                         ` Takashi Iwai
  -- strict thread matches above, loose matches on Subject: below --
2008-03-17 17:08 PATCH - ESI Juli driver Demian Martin
2008-03-21 16:02 ` Pavel Hofman
2008-03-25  6:30 Demian Martin

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