ASoC: rockchip-i2s: fix registers' property of rockchip i2s controller
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.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 870a664..fb9e05c 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -362,6 +362,8 @@
case I2S_XFER:
case I2S_CLR:
case I2S_RXDR:
+ case I2S_FIFOLR:
+ case I2S_INTSR:
return true;
default:
return false;
@@ -371,8 +373,8 @@
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;
@@ -382,8 +384,6 @@
static bool rockchip_i2s_precious_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
- case I2S_FIFOLR:
- return true;
default:
return false;
}