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It seems that many UAC2 devices are with the implicit feedback, but they couldn't be probed properly because the assumption the driver takes currently isn't applied: they have the single endpoint for both data and implicit-fb streams, while we checked only the classical sync endpoints assigned to the next altsetting in the same interface. This patch extends the search to match with those typical cases where the implicit fb stream is found in the next interface number. While we're at it, slightly refactor the code, not returning 0/-ERROR but use the standard bool to success/failur, which is more intuitive in this particular case. Reported-by: Dylan Robinson <dylan_robinson@motu.com> Tested-by: Keith Milner <kamilner@superlative.org> Tested-by: Dylan Robinson <dylan_robinson@motu.com> Link: https://lore.kernel.org/r/20201123085347.19667-5-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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| .. | ||
| ac97 | ||
| aoa | ||
| arm | ||
| atmel | ||
| core | ||
| drivers | ||
| firewire | ||
| hda | ||
| i2c | ||
| isa | ||
| mips | ||
| oss | ||
| parisc | ||
| pci | ||
| pcmcia | ||
| ppc | ||
| sh | ||
| soc | ||
| sparc | ||
| spi | ||
| synth | ||
| usb | ||
| x86 | ||
| xen | ||
| ac97_bus.c | ||
| Kconfig | ||
| last.c | ||
| Makefile | ||
| sound_core.c | ||