From patchwork Thu Mar 31 13:35:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jyri Sarha X-Patchwork-Id: 8713131 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 CC189C0553 for ; Thu, 31 Mar 2016 13:37:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 05A1F201EF for ; Thu, 31 Mar 2016 13:37:55 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id B822820221 for ; Thu, 31 Mar 2016 13:37:52 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 86EBC266872; Thu, 31 Mar 2016 15:37:51 +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, RCVD_IN_DNSWL_NONE, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 3C40A2666F8; Thu, 31 Mar 2016 15:36:35 +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 7471F2666D7; Thu, 31 Mar 2016 15:36:32 +0200 (CEST) Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by alsa0.perex.cz (Postfix) with ESMTP id A2B5226662F for ; Thu, 31 Mar 2016 15:36:25 +0200 (CEST) Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id u2VDaMuQ028703; Thu, 31 Mar 2016 08:36:22 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id u2VDaMfl029010; Thu, 31 Mar 2016 08:36:22 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.224.2; Thu, 31 Mar 2016 08:36:22 -0500 Received: from imryr.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id u2VDaC5M031394; Thu, 31 Mar 2016 08:36:19 -0500 From: Jyri Sarha To: , , , , , Date: Thu, 31 Mar 2016 16:35:59 +0300 Message-ID: <44ee7ac5c0ddb4d25ac1bd4f189d328f8205e4a0.1459431292.git.jsarha@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: MIME-Version: 1.0 Cc: peter.ujfalusi@ti.com, tony@atomide.com, broonie@kernel.org, arnaud.pouliquen@st.com, Jyri Sarha , liam.r.girdwood@linux.intel.com, tiwai@suse.de, tomi.valkeinen@ti.com, p.zabel@pengutronix.de, rmk+kernel@arm.linux.org.uk Subject: [alsa-devel] [PATCH v9 2/7] ALSA: pcm: Allow 32 bit sample format in IEC958 channel status helper 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Treat 32 bit sample width as if it was 24 bits when generating IEC958 channel status bits. On some platforms 24 sample width is problematic and to get full 24 bit precision a 32 bit format, using only the 24 most significant bits, may have to be used. Signed-off-by: Jyri Sarha Reviewed-by: Takashi Iwai --- sound/core/pcm_iec958.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/core/pcm_iec958.c b/sound/core/pcm_iec958.c index e016871..5e6aed6 100644 --- a/sound/core/pcm_iec958.c +++ b/sound/core/pcm_iec958.c @@ -59,6 +59,7 @@ static int create_iec958_consumer(uint rate, uint sample_width, IEC958_AES4_CON_MAX_WORDLEN_24; break; case 24: + case 32: /* Assume 24-bit width for 32-bit samples. */ ws = IEC958_AES4_CON_WORDLEN_24_20 | IEC958_AES4_CON_MAX_WORDLEN_24; break;