Reference rockchip I2S controller TRM, modify some registers' property
I2S_FIFOLR: read / write, but not volatile, not precious
I2S_INTSR: read / write
I2S_CLR: volatile, register value will be cleared by read
Test on RK3288 with max98090.
Signed-off-by: Jianqun Xu <jay...@rock-chips.com>
---
sound/soc/rockchip/rockchip_i2s.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/soc/rockchip/rockchip_i2s.c
b/sound/soc/rockchip/rockchip_i2s.c
index 1b9b404..6595383 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -365,6 +365,8 @@ static bool rockchip_i2s_rd_reg(struct device *dev,
unsigned int reg)
case I2S_XFER:
case I2S_CLR:
case I2S_RXDR:
+ case I2S_FIFOLR:
+ case I2S_INTSR:
return true;
default:
return false;
@@ -374,8 +376,8 @@ static bool rockchip_i2s_rd_reg(struct device *dev,
unsigned int reg)
static bool rockchip_i2s_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
- case I2S_FIFOLR:
case I2S_INTSR:
+ case I2S_CLR:
return true;
default:
return false;
@@ -385,8 +387,6 @@ static bool rockchip_i2s_volatile_reg(struct device *dev,
unsigned int reg)
static bool rockchip_i2s_precious_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
- case I2S_FIFOLR:
- return true;
default:
return false;
}
--
1.9.1
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