From: Nicolin Chen <nicoleotsuka@gmail.com>
To: Shengjiu Wang <shengjiu.wang@nxp.com>
Cc: alsa-devel@alsa-project.org, timur@kernel.org,
Xiubo.Lee@gmail.com, linuxppc-dev@lists.ozlabs.org,
tiwai@suse.com, perex@perex.cz, broonie@kernel.org,
festevam@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] ASoC: fsl_ssi: Fix bclk calculation for mono channel
Date: Mon, 15 Jun 2020 22:23:07 -0700 [thread overview]
Message-ID: <20200616052304.GA24055@Asurada-Nvidia> (raw)
In-Reply-To: <034eff1435ff6ce300b6c781130cefd9db22ab9a.1592276147.git.shengjiu.wang@nxp.com>
On Tue, Jun 16, 2020 at 10:53:48AM +0800, Shengjiu Wang wrote:
> For mono channel, SSI will switch to Normal mode.
>
> In Normal mode and Network mode, the Word Length Control bits
> control the word length divider in clock generator, which is
> different with I2S Master mode (the word length is fixed to
> 32bit), it should be the value of params_width(hw_params).
>
> The condition "slots == 2" is not good for I2S Master mode,
> because for Network mode and Normal mode, the slots can also
> be 2. Then we need to use (ssi->i2s_net & SSI_SCR_I2S_MODE_MASK)
> to check if it is I2S Master mode.
>
> So we refine the formula for mono channel, otherwise there
> will be sound issue for S24_LE.
>
> Fixes: b0a7043d5c2c ("ASoC: fsl_ssi: Caculate bit clock rate using slot number and width")
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Nicolin Chen <nicoleotsuka@gmail.com>
next prev parent reply other threads:[~2020-06-16 5:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-16 2:53 [PATCH v3] ASoC: fsl_ssi: Fix bclk calculation for mono channel Shengjiu Wang
2020-06-16 5:23 ` Nicolin Chen [this message]
2020-06-16 11:40 ` Mark Brown
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