You might have to compile your own, very slightly customized kernel package, using the backport kernel's configuration (at /boot/config-5.10.*) as a starting point, and just change it to set the two above-mentioned options to be built as modules. The other dependencies seem to be already available as modules. And since this is a dependency for the actual card reader driver ( CONFIG_MMC_ALCOR), the kernel configurator is not even allowing to select the card reader driver unless its bus interface is enabled first, and so the CONFIG_MMC_ALCOR line does not appear at all. If it was enabled as a module, you'd see CONFIG_MISC_ALCOR_PCI=m instead. This indicates the driver for the card reader's bus interface is not enabled in the kernel configuration. You could get the PCI device ID database updated by running sudo /usr/sbin/update-pciids, but it will only allow the device to be identified by product name in the lspci listing: it will have no effect for actual hardware support. The lspci command just does not have a product name for it yet. Output of grep -e MISC_ALCOR_PCI -e MMC_ALCOR -e MFD_CORE -e MMC /boot/config-5.10.*: CONFIG_PCI_MMCONFIG=yĪccording to the PCI vendor and product IDs, this is the card reader. dmesg prints nothing and lsusb, lsblk, lscpi don't list the sd card reader.Ġ2:00.0 Unassigned class : Alcor Micro Device Now there should be support for this card reader according to github.īut on insertion nothing happens. So I updated to the kernel version 5.10.: ~ cat /proc/version Via hw-probe ( link) one can see that the sd card is a Alcor Micro AU6621, which isn't configured correct. I want to use the sd card reader on my ASUS UX501VW-FY144T.
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