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10.3.1 Linux Menu Configuration Options
There are two main Linux kernel configuration options used to select and include HDMI
driver functionality in the Linux OS image.
The CONFIG_FB_MXC_SII902X_ELCDIFI option provides support for the Sii902x
HDMI video driver and can be selected in menuconfig at the following menu location:
• Device Drivers > Graphics support > MXC Framebuffer support.
HDMI video support is dependent on MXC ELCDIF Framebuffer.
The CONFIG_SND_MXC_SPDIF option provides support for the HDMI Audio driver
and can be selected in menuconfig at the following menu location:
• Device Drivers > Sound card support > Advanced Linux Sound Architecture >
ALSA for SoC audio support > SoC Audio for Freescale i.MX CPUs > SoC Audio
support for IMX - S/PDIF
10.4 Unit Test
The HDMI video and audio drivers each have their own set of tests.
The preparation for HDMI test:
• Insert the HDMI daughter card into J13 on EVK.
• Insert the HDMI cable into the HDMI slots of both HDMI daughter board and the
HDMI sink device.
• Power on the HDMI sink device.
10.4.1 Video
The following set of manual tests can be used to verify the proper operation of the HDMI
video driver:
1. Hotplug testing: Connect and disconnect the HDMI cable several times, from either
the end attached to the i.MX board, or the end attached to the HDMI sink device.
Each time the cable is reconnected, the driver should re-determine the appropriate
video mode based on the modes read via EDID from the HDMI sink and display that
mode on the sink device.
i.MX 6SoloLite Linux Reference Manual, Rev. L3.0.35_4.1.0, 09/2013
Freescale Semiconductor, Inc.
Chapter 10 High-Definition Multimedia Interface (HDMI)
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