ACP_PME_EN allows wake interrupt to be generated when I2S wake
feature is enabled. On turning ACP On, ACP_PME_EN gets cleared.
Setting the bit back ensures that wake event can be received
when ACP is On.
Signed-off-by: Akshu Agrawal <akshu.agrawal@xxxxxxx>
---
sound/soc/amd/raven/pci-acp3x.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c
index da60e2ec5535..f25ce50f1a90 100644
--- a/sound/soc/amd/raven/pci-acp3x.c
+++ b/sound/soc/amd/raven/pci-acp3x.c
@@ -38,8 +38,13 @@ static int acp3x_power_on(void __iomem *acp3x_base)
timeout = 0;
while (++timeout < 500) {
val = rv_readl(acp3x_base + mmACP_PGFSM_STATUS);
- if (!val)
+ if (!val) {
+ /* Set PME_EN as after ACP power On,
+ * PME_EN gets cleared
+ */
+ rv_writel(0x1, acp3x_base + mmACP_PME_EN);
return 0;
+ }
udelay(1);
}
return -ETIMEDOUT;
--
2.17.1
