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Date: Thu, 12 Nov 2015 16:32:27 -0800 From: Jamin Collins <jamin.collins@...il.com> To: linux-kernel@...r.kernel.org Cc: Jarkko Nikula <jarkko.nikula@...ux.intel.com>, Jie Yang <yang.jie@...el.com>, Oder Chiou <oder_chiou@...ltek.com>, Mark Brown <broonie@...nel.org>, Bard Liao <bardliao@...ltek.com>, Steven Noonan <steven@...inklabs.net> Subject: no sound on Meegopad T02 with 4.3 kernel I'm having trouble getting sound working on a Meegopad T02[1]. I'm running Arch with a 4.3 kernel[2] with patches[3] for wifi stability. So far, the drivers appear to load, but produce the following dmesg output: > [ 5.579629] baytrail-pcm-audio baytrail-pcm-audio: ipc: error DSP boot timeout > [ 5.579841] byt-rt5640 byt-rt5640: ASoC: CPU DAI baytrail-pcm-audio not registered No devices are listed in the output from 'aplay -l' (presumably due to the above): > $ aplay -l > aplay: device_list:268: no soundcards found... I've tried alternative firmware[4], but still get output like the above. The system is a Baytrail compute stick (similar to Intel's Compute Stick) and supports both HDMI audio and analog jack. There appears to be a patch from Intel[5], but it's monolithic and targetted toward a much older kernel. It's also a bit unclear if any of the patches were ever upstreamed. Am I doing something obviously wrong here? If not, are there any patches I can try to get this thing working? [1] - http://x86pad.com/t02.html [2] - http://git.uplinklabs.net/snoonan/projects/archlinux/ec2/ec2-packages.git/plain/linux-ec2/config.x86_64?id=0ca66a09e18e7294c9cf9a6df5b79247781e0c12 [3] - http://git.uplinklabs.net/snoonan/projects/archlinux/ec2/ec2-packages.git/commit/?id=0ca66a09e18e7294c9cf9a6df5b79247781e0c12 [4] - https://git.kernel.org/cgit/linux/kernel/git/vkoul/firmware.git/tree/intel [5] - https://github.com/01org/baytrailaudio/blob/master/hdmi_audio_20150319.patch -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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