dm: sound: samsung: Make local function static

Several functions are not exported from this file. Make them static so
this is clear.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/sound/samsung-i2s.c b/drivers/sound/samsung-i2s.c
index f39abf5e2a96c0d42b0941a8dba4125f862ca6ba..8f5cd191a2b6c3989d5f69dfd8766a2e4cd954f6 100644 (file)
--- a/drivers/sound/samsung-i2s.c
+++ b/drivers/sound/samsung-i2s.c
@@ -111,7 +111,7 @@ static void i2s_set_bitclk_framesize(struct i2s_reg *i2s_reg, unsigned bfs)
  * @param flush                Tx fifo flush command (0x00 - do not flush
  *                             0x80 - flush tx fifo)
  */
-void i2s_fifo(struct i2s_reg *i2s_reg, unsigned int flush)
+static void i2s_fifo(struct i2s_reg *i2s_reg, unsigned int flush)
 {
        /* Flush the FIFO */
        setbits_le32(&i2s_reg->fic, flush);
@@ -126,7 +126,7 @@ void i2s_fifo(struct i2s_reg *i2s_reg, unsigned int flush)
  *
  * @return             int value 0 for success, -1 in case of error
  */
-int i2s_set_sysclk_dir(struct i2s_reg *i2s_reg, int dir)
+static int i2s_set_sysclk_dir(struct i2s_reg *i2s_reg, int dir)
 {
        unsigned int mod = readl(&i2s_reg->mod);
 
@@ -148,7 +148,7 @@ int i2s_set_sysclk_dir(struct i2s_reg *i2s_reg, int dir)
  *
  * @return             int value 0 for success, -1 in case of error
  */
-int i2s_set_fmt(struct i2s_reg *i2s_reg, unsigned int fmt)
+static int i2s_set_fmt(struct i2s_reg *i2s_reg, unsigned int fmt)
 {
        unsigned int mod = readl(&i2s_reg->mod);
        unsigned int tmp = 0;
@@ -225,7 +225,7 @@ int i2s_set_fmt(struct i2s_reg *i2s_reg, unsigned int fmt)
  *
  * @return             int value 0 for success, -1 in case of error
  */
-int i2s_set_samplesize(struct i2s_reg *i2s_reg, unsigned int blc)
+static int i2s_set_samplesize(struct i2s_reg *i2s_reg, unsigned int blc)
 {
        unsigned int mod = readl(&i2s_reg->mod);
 

diff --git a/drivers/sound/wm8994.c b/drivers/sound/wm8994.c
index aaaa3241aa186ee40678f7ea3be21da7b10ec14d..e671f6b85ec0ceef0a6c8983bfe49297d2d05ec1 100644 (file)
--- a/drivers/sound/wm8994.c
+++ b/drivers/sound/wm8994.c
@@ -156,7 +156,7 @@ static int wm8994_update_bits(unsigned int reg, unsigned short mask,
  *
  * @return -1 for error and 0  Success.
  */
-int wm8994_set_fmt(int aif_id, unsigned int fmt)
+static int wm8994_set_fmt(int aif_id, unsigned int fmt)
 {
        int ms_reg;
        int aif_reg;