We observed the same issue as reported by commit a8d7bde23e7130686b7662
("ALSA: hda - Force polling mode on CFL for fixing codec communication")
Apply the same fix to CML.
Signed-off-by: Sathyanarayana Nujella <sathyanarayana.nujella@xxxxxxxxx>
Signed-off-by: Joyce Toh <joyce.toh@xxxxxxxxx>
---
sound/pci/hda/hda_intel.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 91e71be42fa4..e6997a5bf098 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -370,6 +370,7 @@ 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)
+#define IS_CML(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x02c8)
static char *driver_short_names[] = {
[AZX_DRIVER_ICH] = "HDA Intel",
@@ -1754,7 +1755,7 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
azx_bus(chip)->dma_type = SNDRV_DMA_TYPE_DEV_UC;
/* Workaround for a communication error on CFL (bko#199007) and CNL */
- if (IS_CFL(pci) || IS_CNL(pci))
+ if (IS_CFL(pci) || IS_CNL(pci) || IS_CML(pci))
azx_bus(chip)->polling_mode = 1;
if (chip->driver_type == AZX_DRIVER_NVIDIA) {
--
2.7.4
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