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17c9b6ec35
Extend hdac_ext_link to store information needed for ALT links. Follow-up patches will include more functional patches for power-up and down. Note that this patch suggests the use of an 'eml_lock' to serialize access to shared registers. SoundWire-specific sequence require the lock to be taken at a higher level, as a result the helpers added in follow-up patches will provide 'unlocked' versions when needed. Also note that the low-level sequences with the 'hdaml_' prefix are taken directly from the hardware specifications - naming conventions included. The code will be split in two, with locking and linked-list management handled separately to avoid mixing required hardware setup and Linux-based resource management. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20230404104127.5629-7-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> |
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.. | ||
acpi | ||
asm-generic | ||
clocksource | ||
crypto | ||
drm | ||
dt-bindings | ||
keys | ||
kunit | ||
kvm | ||
linux | ||
math-emu | ||
media | ||
memory | ||
misc | ||
net | ||
pcmcia | ||
ras | ||
rdma | ||
rv | ||
scsi | ||
soc | ||
sound | ||
target | ||
trace | ||
uapi | ||
ufs | ||
vdso | ||
video | ||
xen |