From fa763f1b2858752e6150ffff46886a1b7faffc82 Mon Sep 17 00:00:00 2001 From: Bard Liao Date: Mon, 27 May 2019 00:58:32 +0800 Subject: [PATCH] ALSA: hda - Force polling mode on CNL for fixing codec communication We observed the same issue as reported by commit a8d7bde23e7130686b7662 ("ALSA: hda - Force polling mode on CFL for fixing codec communication") We don't have a better solution. So apply the same workaround to CNL. Signed-off-by: Bard Liao Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_intel.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 0741eae23f10..a4b0414dda3b 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -375,6 +375,7 @@ enum { #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) #define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348) +#define IS_CNL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9dc8) static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", @@ -1700,8 +1701,8 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, else chip->bdl_pos_adj = bdl_pos_adj[dev]; - /* Workaround for a communication error on CFL (bko#199007) */ - if (IS_CFL(pci)) + /* Workaround for a communication error on CFL (bko#199007) and CNL */ + if (IS_CFL(pci) || IS_CNL(pci)) chip->polling_mode = 1; err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);