Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932187AbeAKGoI (ORCPT + 1 other); Thu, 11 Jan 2018 01:44:08 -0500 Received: from mail-pf0-f194.google.com ([209.85.192.194]:34198 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754176AbeAKGoF (ORCPT ); Thu, 11 Jan 2018 01:44:05 -0500 X-Google-Smtp-Source: ACJfBov4bXNNX8D0sjkdI4jMDoxKbILiXLgTj7emT/jhkY2qLUAK4H0Z9H900U71u7xHZT9h9HYIIg== From: Nicolin Chen To: timur@tabi.org, broonie@kernel.org, mail@maciej.szmigiero.name Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, alsa-devel@alsa-project.org, lgirdwood@gmail.com, fabio.estevam@nxp.com, caleb@crome.org, arnaud.mouiche@invoxia.com, lukma@denx.de, kernel@pengutronix.de Subject: [PATCH v2 01/16] ASoC: fsl_ssi: Keep ssi->i2s_net updated Date: Wed, 10 Jan 2018 22:43:00 -0800 Message-Id: <1515652995-15996-2-git-send-email-nicoleotsuka@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1515652995-15996-1-git-send-email-nicoleotsuka@gmail.com> References: <1515652995-15996-1-git-send-email-nicoleotsuka@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: The hw_params() overwrites i2s_net settings for special cases like mono-channel support, however, it doesn't update ssi->i2s_net as set_dai_fmt() does. This patch removes the local i2s_net variable and directly updates ssi->i2s_net in the hw_params() so that the driver can simply look up the ssi->i2s_net instead of reading the register. Signed-off-by: Nicolin Chen Tested-by: Caleb Crome --- sound/soc/fsl/fsl_ssi.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index aecd00f..c8bd353 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -834,16 +834,16 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, } if (!fsl_ssi_is_ac97(ssi)) { - u8 i2s_net; /* Normal + Network mode to send 16-bit data in 32-bit frames */ if (fsl_ssi_is_i2s_cbm_cfs(ssi) && sample_size == 16) - i2s_net = SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET; - else - i2s_net = ssi->i2s_net; + ssi->i2s_net = SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET; + + /* Use Normal mode to send mono data at 1st slot of 2 slots */ + if (channels == 1) + ssi->i2s_net = SSI_SCR_I2S_MODE_NORMAL; regmap_update_bits(regs, REG_SSI_SCR, - SSI_SCR_I2S_NET_MASK, - channels == 1 ? 0 : i2s_net); + SSI_SCR_I2S_NET_MASK, ssi->i2s_net); } /* In synchronous mode, the SSI uses STCCR for capture */ -- 2.7.4