How can I output sound simultaneously to the hdmi sound and the internal sound of Imx6q?

[jongjupark]

Dear community,

How can I output sound simultaneously to the hdmi sound and the internal sound of Imx6q?

Is there a hdmi sound source to write i2s?

please answer about my question.

**description**

Kernel Version : L3.14.28

Application : QT

[igorpadykov · Accepted solution]

Hi jongju

seems custom driver should be designed for such use case, please use

description of hdmi audio driver in sect.16.2.5 Audio attached Linux Manual.

Best regards
igor
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[jongjupark]

Thank you. Your answer ^^

I need to create the necessary driver.