Toshiba P-series sound works with kernel tweak
in [Linux Hardware]
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From: Mark T.B. Carroll on 8 Nov 2007 11:04 I have a Toshiba P105-S6197 with BIOS V3.30 and the Intel HD-Audio 82801G ICH7 sound hardware. With kernel 2.6.22 I had to give it the argument acpi_osi=!Linux before sound would work. (Otherwise, there would be no obvious errors, but only silence.) With kernel 2.6.23.1 this trick didn't work. However, if in drivers/acpi/ec.c I comment out the if (ACPI_SUCCESS(status)) ... else .... part, lines 879 through 892, sound starts working again. Mark
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