ASoC: Intel: Skylake: Check for NHLT ACPI header signature

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In certain buggy BIOS acpi_evaluate_dsm() may not return the correct
NHLT table, so check the NHLT table header signature before accessing
it.

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Pankaj Bharadiya 2017-11-07 16:16:21 +05:30 • committed by Mark Brown

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commit 3b47c9dc75

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sound/soc/intel/skylake/skl-nhlt.c

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