This is a note to let you know that I've just added the patch titled ALSA: hda - fix Lewisburg audio issue to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: alsa-hda-fix-lewisburg-audio-issue.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e7480b34ad1ab84a63540b2c884cb92c0764ab74 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela <perex@xxxxxxxx> Date: Wed, 15 Feb 2017 17:09:42 +0100 Subject: ALSA: hda - fix Lewisburg audio issue From: Jaroslav Kysela <perex@xxxxxxxx> commit e7480b34ad1ab84a63540b2c884cb92c0764ab74 upstream. Like for Sunrise Point, the total stream number of Lewisburg's input and output stream exceeds 15 (GCAP is 0x9701), which will cause some streams do not work because of the overflow on SDxCTL.STRM field if using the legacy stream tag allocation method. Fixes: 5cf92c8b3dc5 ("ALSA: hda - Add Intel Lewisburg device IDs Audio") Signed-off-by: Jaroslav Kysela <perex@xxxxxxxx> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/pci/hda/hda_intel.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2208,9 +2208,9 @@ static const struct pci_device_id azx_id .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, /* Lewisburg */ { PCI_DEVICE(0x8086, 0xa1f0), - .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, { PCI_DEVICE(0x8086, 0xa270), - .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, /* Lynx Point-LP */ { PCI_DEVICE(0x8086, 0x9c20), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, Patches currently in stable-queue which might be from perex@xxxxxxxx are queue-4.4/alsa-hda-fix-lewisburg-audio-issue.patch