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User space (alsa-lib) uses the PCM device name to detect HDMI devices, the name is expected to be in form of 'HDMI'+<space>+number. The PCM device name is not configured in ASoC, only the PCM id is set based on the loaded topology. Detect the HDMI PCM playback devices and configure the name to help user space to handle HDMI PCMs correctly. aplay -l | grep HDMI (Audio capable monitor connected) Before the change: card 0: sofhdadsp [sof-hda-dsp], device 3: HDMI1 (*) [] card 0: sofhdadsp [sof-hda-dsp], device 4: HDMI2 (*) [] card 0: sofhdadsp [sof-hda-dsp], device 5: HDMI3 (*) [] after the change: card 0: sofhdadsp [sof-hda-dsp], device 3: HDMI1 (*) [DELL P1917S] card 0: sofhdadsp [sof-hda-dsp], device 4: HDMI2 (*) [HDMI 2] card 0: sofhdadsp [sof-hda-dsp], device 5: HDMI3 (*) [HDMI 3] Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://patch.msgid.link/20251029105134.1342-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> |
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| arch | ||
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| drivers | ||
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| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
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| samples | ||
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| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.