From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-x22b.google.com (mail-pa0-x22b.google.com [IPv6:2607:f8b0:400e:c03::22b]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 604081A0E29 for ; Thu, 22 Jan 2015 05:53:30 +1100 (AEDT) Received: by mail-pa0-f43.google.com with SMTP id eu11so17310154pac.2 for ; Wed, 21 Jan 2015 10:53:28 -0800 (PST) Date: Wed, 21 Jan 2015 10:53:20 -0800 From: Nicolin Chen To: Zidan Wang Subject: Re: [alsa-devel][PATCH 3/3] ASoC: fsl_sai: Add support for Right-J mode Message-ID: <20150121185319.GA4238@Alpha> References: <1421756480-7055-1-git-send-email-zidan.wang@freescale.com> <1421756480-7055-4-git-send-email-zidan.wang@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1421756480-7055-4-git-send-email-zidan.wang@freescale.com> Cc: alsa-devel@alsa-project.org, timur@tabi.org, Xiubo.Lee@gmail.com, tiwai@suse.de, linux-kernel@vger.kernel.org, lgirdwood@gmail.com, perex@perex.cz, broonie@kernel.org, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Jan 20, 2015 at 08:21:20PM +0800, Zidan Wang wrote: > Add Right-J mode and set TCR5 FBT bit to let data right justify. > > Signed-off-by: Zidan Wang > - if (sai->is_lsb_first) > + if (sai->is_lsb_first && sai->is_right_j_mode) > val_cr5 |= FSL_SAI_CR5_FBT(0); Are you sure that FBT(0) is correct for right justified mode? Because the original code is using FBT(0) for the lsb_first situation and it shouldn't be right justified mode as default. Nicolin