linux-kernel - Re: [PATCH] arm64: dts: imx8mm-beacon-som: Fix Choppy BT audio

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Message-ID: <20201030075703.GJ28755@dragon>
Date:   Fri, 30 Oct 2020 15:57:04 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Adam Ford <aford173@...il.com>
Cc:     linux-arm-kernel@...ts.infradead.org, aford@...conembedded.com,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mm-beacon-som: Fix Choppy BT audio

On Wed, Oct 07, 2020 at 08:02:37AM -0500, Adam Ford wrote:
> When streaming bluetooth audio, the sound is choppy due to the
> fact that the default baud rate of the HCI interface is too slow
> to handle 16-bit stereo at 48KHz.
> 
> The Bluetooth chip is capable of up to 4M baud on the serial port,
> so this patch sets the max-speed to 4000000 in order to properly
> stream audio over the Bluetooth.
> 
> Fixes: 593816fa2f35 ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit")
> 
> Signed-off-by: Adam Ford <aford173@...il.com>

Applied, thanks.