From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-x244.google.com (mail-pl0-x244.google.com [IPv6:2607:f8b0:400e:c01::244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3zLySq31gjzF0bZ for ; Wed, 17 Jan 2018 17:52:27 +1100 (AEDT) Received: by mail-pl0-x244.google.com with SMTP id g18so2508408plo.7 for ; Tue, 16 Jan 2018 22:52:27 -0800 (PST) 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 v5 02/17] ASoC: fsl_ssi: Keep ssi->i2s_net updated Date: Tue, 16 Jan 2018 22:51:27 -0800 Message-Id: <1516171902-32669-3-git-send-email-nicoleotsuka@gmail.com> In-Reply-To: <1516171902-32669-1-git-send-email-nicoleotsuka@gmail.com> References: <1516171902-32669-1-git-send-email-nicoleotsuka@gmail.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 001e453..9847a1d 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -838,16 +838,16 @@ 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