Le mardi 08 janvier 2013 à 13:56 +0100, Takashi Iwai a écrit :
> At Tue, 08 Jan 2013 13:28:55 +0100,
> From: Takashi Iwai <ti...@suse.de>
> Subject: [PATCH] ALSA: hda - Disable runtime D3 for Intel CPT & co
>
> We've got a few bug reports that the runtime D3 results in the dead
> HD-audio controller. It seems that the problem is in a deeper level
> than the sound driver itself, so as a temporal solution, disable the
> feature for these controllers again.
>
> Reported-by: Vincent Blut <vincent.deb...@free.fr>
> Reported-by: Maurizio Avogadro <mav...@gmail.com>
> Cc: <sta...@vger.kernel.org> [v3.7]
> Signed-off-by: Takashi Iwai <ti...@suse.de>
> ---
> sound/pci/hda/hda_intel.c | 13 ++++++++-----
> 1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
> index cca8727..0b6aeba 100644
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -573,9 +573,12 @@ enum {
> #define AZX_DCAPS_PM_RUNTIME (1 << 26) /* runtime PM support */
>
> /* quirks for Intel PCH */
> -#define AZX_DCAPS_INTEL_PCH \
> +#define AZX_DCAPS_INTEL_PCH_NOPM \
> (AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_BUFSIZE | \
> - AZX_DCAPS_COUNT_LPIB_DELAY | AZX_DCAPS_PM_RUNTIME)
> + AZX_DCAPS_COUNT_LPIB_DELAY)
> +
> +#define AZX_DCAPS_INTEL_PCH \
> + (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_PM_RUNTIME)
>
> /* quirks for ATI SB / AMD Hudson */
> #define AZX_DCAPS_PRESET_ATI_SB \
> @@ -3586,13 +3589,13 @@ static void azx_remove(struct pci_dev *pci)
> static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
> /* CPT */
> { PCI_DEVICE(0x8086, 0x1c20),
> - .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
> + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
> /* PBG */
> { PCI_DEVICE(0x8086, 0x1d20),
> - .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
> + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
> /* Panther Point */
> { PCI_DEVICE(0x8086, 0x1e20),
> - .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
> + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
> /* Lynx Point */
> { PCI_DEVICE(0x8086, 0x8c20),
> .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
Well, my sound controller behaves nicely with the above quirk.
Tested-by: Vincent Blut <vincent.deb...@free.fr>
Thanks Takashi for your support,
Vincent
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