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-rw-r--r--drivers/mfd/mc13xxx-core.c5
-rw-r--r--drivers/mfd/mc13xxx-spi.c5
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index 2a9b100c4825..dbbf8ee3f592 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -158,8 +158,6 @@ int mc13xxx_reg_read(struct mc13xxx *mc13xxx, unsigned int offset, u32 *val)
{
int ret;
- BUG_ON(!mutex_is_locked(&mc13xxx->lock));
-
if (offset > MC13XXX_NUMREGS)
return -EINVAL;
@@ -172,8 +170,6 @@ EXPORT_SYMBOL(mc13xxx_reg_read);
int mc13xxx_reg_write(struct mc13xxx *mc13xxx, unsigned int offset, u32 val)
{
- BUG_ON(!mutex_is_locked(&mc13xxx->lock));
-
dev_vdbg(mc13xxx->dev, "[0x%02x] <- 0x%06x\n", offset, val);
if (offset > MC13XXX_NUMREGS || val > 0xffffff)
@@ -186,7 +182,6 @@ EXPORT_SYMBOL(mc13xxx_reg_write);
int mc13xxx_reg_rmw(struct mc13xxx *mc13xxx, unsigned int offset,
u32 mask, u32 val)
{
- BUG_ON(!mutex_is_locked(&mc13xxx->lock));
BUG_ON(val & ~mask);
dev_vdbg(mc13xxx->dev, "[0x%02x] <- 0x%06x (mask: 0x%06x)\n",
offset, val, mask);
diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index 77189daadf1e..5f14ef6693c2 100644
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -94,10 +94,15 @@ static int mc13xxx_spi_write(void *context, const void *data, size_t count)
{
struct device *dev = context;
struct spi_device *spi = to_spi_device(dev);
+ const char *reg = data;
if (count != 4)
return -ENOTSUPP;
+ /* include errata fix for spi audio problems */
+ if (*reg == MC13783_AUDIO_CODEC || *reg == MC13783_AUDIO_DAC)
+ spi_write(spi, data, count);
+
return spi_write(spi, data, count);
}