From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH 19/39] fireworks: Add skelton for Fireworks
	based devices
Date: Fri, 28 Feb 2014 16:10:50 +0100
Message-ID: <s5hfvn3b7d1.wl%tiwai@suse.de>
References: <1393558072-25926-1-git-send-email-o-takashi@sakamocchi.jp>
 <1393558072-25926-20-git-send-email-o-takashi@sakamocchi.jp>
 <s5h7g8fn30m.wl%tiwai@suse.de> <5310A5C6.2060602@sakamocchi.jp>
Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka")
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <alsa-devel-bounces@alsa-project.org>
Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15])
 by alsa0.perex.cz (Postfix) with ESMTP id 783A326514A
 for <alsa-devel@alsa-project.org>; Fri, 28 Feb 2014 16:10:50 +0100 (CET)
In-Reply-To: <5310A5C6.2060602@sakamocchi.jp>
List-Unsubscribe: <http://mailman.alsa-project.org/mailman/options/alsa-devel>,
 <mailto:alsa-devel-request@alsa-project.org?subject=unsubscribe>
List-Archive: <http://mailman.alsa-project.org/pipermail/alsa-devel/>
List-Post: <mailto:alsa-devel@alsa-project.org>
List-Help: <mailto:alsa-devel-request@alsa-project.org?subject=help>
List-Subscribe: <http://mailman.alsa-project.org/mailman/listinfo/alsa-devel>,
 <mailto:alsa-devel-request@alsa-project.org?subject=subscribe>
Errors-To: alsa-devel-bounces@alsa-project.org
Sender: alsa-devel-bounces@alsa-project.org
To: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: alsa-devel@alsa-project.org, clemens@ladisch.de, ffado-devel@lists.sf.net
List-Id: alsa-devel@alsa-project.org

At Sat, 01 Mar 2014 00:05:42 +0900,
Takashi Sakamoto wrote:
> 
> Iwai-san,
> 
> (Feb 28 2014 15:51), Takashi Iwai wrote:
> > Now we may handle more than 32 cards, depending on Kconfig.
> 
> I can understand I should not use 'unsigned int' for bitmap of each card 
> instances because in most architecture 'unsigned int' has just 32 bit width.
> 
>  > Use bitmap instead.
> 
> But I cannot understand this sentence.
> 
> I already use this 'devices_used' for bitmap. So I guess you did mean 
> alternative ways like pointer array. For example:
> static struct snd_fireworks *devices_used[SNDRV_CARDS];
> 
> Can I request your explaination for this?

Just take a look at linux/bitmap.h :)


Takashi