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authorAkshu Agrawal <akshu.agrawal@amd.com>2020-02-26 16:17:44 +0530
committerMark Brown <broonie@kernel.org>2020-02-26 18:14:15 +0000
commit911abf8b050e76591479d35c928f7e72605067ac (patch)
treee44729a9a032d521a61bb6c9a19b4b8b9c956d02 /sound/soc/amd
parentb2d48dde38d373487503fd36cda05f17c1183b6d (diff)
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ASoC: amd: Allow I2S wake event after ACP is powerd On
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@amd.com> Link: https://lore.kernel.org/r/20200226104746.208656-1-akshu.agrawal@amd.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd')
-rw-r--r--sound/soc/amd/raven/pci-acp3x.c7
1 files changed, 6 insertions, 1 deletions
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;