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    <title>i.MX ProcessorsのトピックRe: IMX8X ESAI -</title>
    <link>https://community.nxp.com/t5/i-MX-Processors/IMX8X-ESAI/m-p/1182299#M164844</link>
    <description>&lt;P&gt;Hi darshak_patel&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;for such performance issue may be recommended to use latest C0 silicon revision&lt;/P&gt;
&lt;P&gt;as it has performance improvement&lt;/P&gt;
&lt;P&gt;&lt;A id="relatedDocsClick_4" href="https://www.nxp.com/docs/en/application-note/AN12770.pdf" target="_blank" rel="noopener"&gt;&lt;STRONG&gt;i.MX 8X C0 Migration Guide Migrating from i.MX 8X B0 to i.MX 8X C0&lt;/STRONG&gt;&lt;/A&gt;&lt;/P&gt;
&lt;P&gt;use latest BSPs and RPA tool, as it also provided memory optimizations.&lt;/P&gt;
&lt;P&gt;&lt;A href="https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8-8X-Family-DDR-Tools-Release/ta-p/1121519" target="_blank"&gt;https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8-8X-Family-DDR-Tools-Release/ta-p/1121519&lt;/A&gt;&lt;/P&gt;
&lt;P&gt;&lt;A href="https://www.nxp.com/design/software/embedded-software/i-mx-software/embedded-linux-for-i-mx-applications-processors:IMXLINUX?tab=In-Depth_Tab" target="_blank"&gt;https://www.nxp.com/design/software/embedded-software/i-mx-software/embedded-linux-for-i-mx-applications-processors:IMXLINUX?tab=In-Depth_Tab&lt;/A&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Best regards&lt;BR /&gt;igor&lt;/P&gt;</description>
    <pubDate>Thu, 12 Nov 2020 11:51:58 GMT</pubDate>
    <dc:creator>igorpadykov</dc:creator>
    <dc:date>2020-11-12T11:51:58Z</dc:date>
    <item>
      <title>IMX8X ESAI -</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/IMX8X-ESAI/m-p/1182261#M164836</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;I'm working on IMX8QXP-B0 custom board. We have connected the DMIC on ESAI interface. While run the playing or recording audio command, I'm facing the below error sometimes/random only, even seen during the Bluetooth audio testing.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;LI-CODE lang="markup"&gt;[   46.787245] fsl-esai-dai 59010000.esai: failed to derive required SCKR rate
[   46.794271] fsl-esai-dai 59010000.esai: ASoC: can't set 59010000.esai hw params: -22&lt;/LI-CODE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;When I run the DMIC command then error log not seen.&lt;/P&gt;&lt;LI-CODE lang="markup"&gt;arecord -D hw:2,0 -c 4 -r 48000 -f S16_LE test.wav&lt;/LI-CODE&gt;&lt;P&gt;Its show most of the time during other audio interface command execute. Please refer the attached log.&lt;/P&gt;&lt;LI-CODE lang="markup"&gt;root@imx8qxpmek:~# cat /proc/asound/cards
 0 [imxspdif       ]: imx-spdif - imx-spdif
                      imx-spdif
 1 [imxaudmix      ]: imx-audmix - imx-audmix
                      imx-audmix
 2 [imxaudiosph0645]: imx-audio-sph06 - imx-audio-sph0645
                      imx-audio-sph0645&lt;/LI-CODE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 12 Nov 2020 10:40:09 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/IMX8X-ESAI/m-p/1182261#M164836</guid>
      <dc:creator>darsh_dev</dc:creator>
      <dc:date>2020-11-12T10:40:09Z</dc:date>
    </item>
    <item>
      <title>Re: IMX8X ESAI -</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/IMX8X-ESAI/m-p/1182299#M164844</link>
      <description>&lt;P&gt;Hi darshak_patel&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;for such performance issue may be recommended to use latest C0 silicon revision&lt;/P&gt;
&lt;P&gt;as it has performance improvement&lt;/P&gt;
&lt;P&gt;&lt;A id="relatedDocsClick_4" href="https://www.nxp.com/docs/en/application-note/AN12770.pdf" target="_blank" rel="noopener"&gt;&lt;STRONG&gt;i.MX 8X C0 Migration Guide Migrating from i.MX 8X B0 to i.MX 8X C0&lt;/STRONG&gt;&lt;/A&gt;&lt;/P&gt;
&lt;P&gt;use latest BSPs and RPA tool, as it also provided memory optimizations.&lt;/P&gt;
&lt;P&gt;&lt;A href="https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8-8X-Family-DDR-Tools-Release/ta-p/1121519" target="_blank"&gt;https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8-8X-Family-DDR-Tools-Release/ta-p/1121519&lt;/A&gt;&lt;/P&gt;
&lt;P&gt;&lt;A href="https://www.nxp.com/design/software/embedded-software/i-mx-software/embedded-linux-for-i-mx-applications-processors:IMXLINUX?tab=In-Depth_Tab" target="_blank"&gt;https://www.nxp.com/design/software/embedded-software/i-mx-software/embedded-linux-for-i-mx-applications-processors:IMXLINUX?tab=In-Depth_Tab&lt;/A&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Best regards&lt;BR /&gt;igor&lt;/P&gt;</description>
      <pubDate>Thu, 12 Nov 2020 11:51:58 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/IMX8X-ESAI/m-p/1182299#M164844</guid>
      <dc:creator>igorpadykov</dc:creator>
      <dc:date>2020-11-12T11:51:58Z</dc:date>
    </item>
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