media: atomisp: improve sensor detection code to use _DSM table

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Instead of keep hardcoding device-specific tables, read them
directly from the ACPI BIOS, if available.

This method is know to work with Asus T101HA device. the
same table is also visible on EzPad devices. So, it seems
that at least some BIOSes use this method to pass data about
ISP2401-connected sensors.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Mauro Carvalho Chehab 2020-06-04 11:46:03 +02:00

parent 69a03e36c7

commit 387041cda4

2 changed files with 101 additions and 47 deletions

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43

drivers/staging/media/atomisp/TODO

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105

drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c

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