From patchwork Sat Apr 11 08:41:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Sakamoto X-Patchwork-Id: 6201121 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 43A77BF4A6 for ; Sat, 11 Apr 2015 08:41:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 73B292028D for ; Sat, 11 Apr 2015 08:41:56 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 4B325201C8 for ; Sat, 11 Apr 2015 08:41:55 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 5C74E2619D7; Sat, 11 Apr 2015 10:41:54 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 8AD922614CB; Sat, 11 Apr 2015 10:41:22 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id D83BC2614A7; Sat, 11 Apr 2015 10:41:19 +0200 (CEST) Received: from smtp310.phy.lolipop.jp (smtp310.phy.lolipop.jp [210.157.22.78]) by alsa0.perex.cz (Postfix) with ESMTP id A8E41261492 for ; Sat, 11 Apr 2015 10:41:12 +0200 (CEST) Received: from smtp310.phy.lolipop.lan (HELO smtp310.phy.lolipop.jp) (172.17.1.10) (smtp-auth username m12129643-o-takashi, mechanism plain) by smtp310.phy.lolipop.jp (qpsmtpd/0.82) with ESMTPA; Sat, 11 Apr 2015 17:41:09 +0900 Received: from 127.0.0.1 (127.0.0.1) by smtp310.phy.lolipop.jp (LOLIPOP-Fsecure); Sat, 11 Apr 2015 17:41:06 +0900 (JST) X-Virus-Status: clean(LOLIPOP-Fsecure) From: Takashi Sakamoto To: clemens@ladisch.de, tiwai@suse.de Date: Sat, 11 Apr 2015 17:41:03 +0900 Message-Id: <1428741665-22262-3-git-send-email-o-takashi@sakamocchi.jp> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1428741665-22262-1-git-send-email-o-takashi@sakamocchi.jp> References: <1428512838-2493-1-git-send-email-o-takashi@sakamocchi.jp> <1428741665-22262-1-git-send-email-o-takashi@sakamocchi.jp> Cc: alsa-devel@alsa-project.org Subject: [alsa-devel] [PATCH 2/4] ctl: fix a bug to return no identical information in info operation for userspace controls X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP In operations of SNDRV_CTL_IOCTL_ELEM_INFO, identical information in returned value is cleared. This is not better to userspace application. This commit confirms to return full identical information to the operations. Signed-off-by: Takashi Sakamoto --- sound/core/control.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/core/control.c b/sound/core/control.c index 90a9e5d..a750846 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1040,8 +1040,12 @@ static int snd_ctl_elem_user_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct user_element *ue = kcontrol->private_data; + unsigned int offset; + offset = snd_ctl_get_ioff(kcontrol, &uinfo->id); *uinfo = ue->info; + snd_ctl_build_ioff(&uinfo->id, kcontrol, offset); + return 0; } @@ -1051,10 +1055,13 @@ static int snd_ctl_elem_user_enum_info(struct snd_kcontrol *kcontrol, struct user_element *ue = kcontrol->private_data; const char *names; unsigned int item; + unsigned int offset; item = uinfo->value.enumerated.item; + offset = snd_ctl_get_ioff(kcontrol, &uinfo->id); *uinfo = ue->info; + snd_ctl_build_ioff(&uinfo->id, kcontrol, offset); item = min(item, uinfo->value.enumerated.items - 1); uinfo->value.enumerated.item = item;