[PATCH 2/2] ASoC: fsl_micfil: Differentiate register access permission for platforms

From: Shengjiu Wang
Date: Thu Jul 25 2024 - 05:14:35 EST


On i.MX9x platforms, the REG_MICFIL_FSYNC_CTRL, REG_MICFIL_VERID,
REG_MICFIL_PARAM are added, but they are not existed on i.MX8x
platforms.

Use the existed micfil->soc->use_verid to distinguish the access
permission for these platforms.

Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
sound/soc/fsl/fsl_micfil.c | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 96a6b88d0d67..22b240a70ad4 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -855,6 +855,8 @@ static const struct reg_default fsl_micfil_reg_defaults[] = {

static bool fsl_micfil_readable_reg(struct device *dev, unsigned int reg)
{
+ struct fsl_micfil *micfil = dev_get_drvdata(dev);
+
switch (reg) {
case REG_MICFIL_CTRL1:
case REG_MICFIL_CTRL2:
@@ -872,9 +874,6 @@ static bool fsl_micfil_readable_reg(struct device *dev, unsigned int reg)
case REG_MICFIL_DC_CTRL:
case REG_MICFIL_OUT_CTRL:
case REG_MICFIL_OUT_STAT:
- case REG_MICFIL_FSYNC_CTRL:
- case REG_MICFIL_VERID:
- case REG_MICFIL_PARAM:
case REG_MICFIL_VAD0_CTRL1:
case REG_MICFIL_VAD0_CTRL2:
case REG_MICFIL_VAD0_STAT:
@@ -883,6 +882,12 @@ static bool fsl_micfil_readable_reg(struct device *dev, unsigned int reg)
case REG_MICFIL_VAD0_NDATA:
case REG_MICFIL_VAD0_ZCD:
return true;
+ case REG_MICFIL_FSYNC_CTRL:
+ case REG_MICFIL_VERID:
+ case REG_MICFIL_PARAM:
+ if (micfil->soc->use_verid)
+ return true;
+ fallthrough;
default:
return false;
}
@@ -890,6 +895,8 @@ static bool fsl_micfil_readable_reg(struct device *dev, unsigned int reg)

static bool fsl_micfil_writeable_reg(struct device *dev, unsigned int reg)
{
+ struct fsl_micfil *micfil = dev_get_drvdata(dev);
+
switch (reg) {
case REG_MICFIL_CTRL1:
case REG_MICFIL_CTRL2:
@@ -899,7 +906,6 @@ static bool fsl_micfil_writeable_reg(struct device *dev, unsigned int reg)
case REG_MICFIL_DC_CTRL:
case REG_MICFIL_OUT_CTRL:
case REG_MICFIL_OUT_STAT: /* Write 1 to Clear */
- case REG_MICFIL_FSYNC_CTRL:
case REG_MICFIL_VAD0_CTRL1:
case REG_MICFIL_VAD0_CTRL2:
case REG_MICFIL_VAD0_STAT: /* Write 1 to Clear */
@@ -907,6 +913,10 @@ static bool fsl_micfil_writeable_reg(struct device *dev, unsigned int reg)
case REG_MICFIL_VAD0_NCONFIG:
case REG_MICFIL_VAD0_ZCD:
return true;
+ case REG_MICFIL_FSYNC_CTRL:
+ if (micfil->soc->use_verid)
+ return true;
+ fallthrough;
default:
return false;
}
--
2.34.1