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authorLucas Tanure <tanureal@opensource.cirrus.com>2018-10-19 17:44:22 +0100
committerMark Brown <broonie@kernel.org>2018-10-21 12:04:38 +0100
commitc5d09485def41cab9e75ba23abbf87080183183c (patch)
treead6bb363220f7ebfeeadd0edea7a2d48be72a3e0
parent318e741ee13b5a72f3051d9bb6852b1f4d02d0bb (diff)
downloadlinux-c5d09485def41cab9e75ba23abbf87080183183c.tar.bz2
ASoC: wm2000: Remove wm2000_read helper function
The return type "unsigned int" was used by the wm2000_read() function despite of the aspect that it will eventually return a negative error code. The resulting function doesn't add much to the code, so replace wm2000_read with regmap_read. Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/codecs/wm2000.c54
1 files changed, 30 insertions, 24 deletions
diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c
index c5ae07234a00..bba330e30162 100644
--- a/sound/soc/codecs/wm2000.c
+++ b/sound/soc/codecs/wm2000.c
@@ -88,19 +88,6 @@ static int wm2000_write(struct i2c_client *i2c, unsigned int reg,
return regmap_write(wm2000->regmap, reg, value);
}
-static unsigned int wm2000_read(struct i2c_client *i2c, unsigned int r)
-{
- struct wm2000_priv *wm2000 = i2c_get_clientdata(i2c);
- unsigned int val;
- int ret;
-
- ret = regmap_read(wm2000->regmap, r, &val);
- if (ret < 0)
- return -1;
-
- return val;
-}
-
static void wm2000_reset(struct wm2000_priv *wm2000)
{
struct i2c_client *i2c = wm2000->i2c;
@@ -115,14 +102,15 @@ static void wm2000_reset(struct wm2000_priv *wm2000)
static int wm2000_poll_bit(struct i2c_client *i2c,
unsigned int reg, u8 mask)
{
+ struct wm2000_priv *wm2000 = i2c_get_clientdata(i2c);
int timeout = 4000;
- int val;
+ unsigned int val;
- val = wm2000_read(i2c, reg);
+ regmap_read(wm2000->regmap, reg, &val);
while (!(val & mask) && --timeout) {
msleep(1);
- val = wm2000_read(i2c, reg);
+ regmap_read(wm2000->regmap, reg, &val);
}
if (timeout == 0)
@@ -135,6 +123,7 @@ static int wm2000_power_up(struct i2c_client *i2c, int analogue)
{
struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
unsigned long rate;
+ unsigned int val;
int ret;
if (WARN_ON(wm2000->anc_mode != ANC_OFF))
@@ -213,12 +202,17 @@ static int wm2000_power_up(struct i2c_client *i2c, int analogue)
WM2000_MODE_THERMAL_ENABLE);
}
- ret = wm2000_read(i2c, WM2000_REG_SPEECH_CLARITY);
+ ret = regmap_read(wm2000->regmap, WM2000_REG_SPEECH_CLARITY, &val);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Unable to read Speech Clarity: %d\n", ret);
+ regulator_bulk_disable(WM2000_NUM_SUPPLIES, wm2000->supplies);
+ return ret;
+ }
if (wm2000->speech_clarity)
- ret |= WM2000_SPEECH_CLARITY;
+ val |= WM2000_SPEECH_CLARITY;
else
- ret &= ~WM2000_SPEECH_CLARITY;
- wm2000_write(i2c, WM2000_REG_SPEECH_CLARITY, ret);
+ val &= ~WM2000_SPEECH_CLARITY;
+ wm2000_write(i2c, WM2000_REG_SPEECH_CLARITY, val);
wm2000_write(i2c, WM2000_REG_SYS_START0, 0x33);
wm2000_write(i2c, WM2000_REG_SYS_START1, 0x02);
@@ -824,7 +818,7 @@ static int wm2000_i2c_probe(struct i2c_client *i2c,
const char *filename;
const struct firmware *fw = NULL;
int ret, i;
- int reg;
+ unsigned int reg;
u16 id;
wm2000 = devm_kzalloc(&i2c->dev, sizeof(*wm2000), GFP_KERNEL);
@@ -860,9 +854,17 @@ static int wm2000_i2c_probe(struct i2c_client *i2c,
}
/* Verify that this is a WM2000 */
- reg = wm2000_read(i2c, WM2000_REG_ID1);
+ ret = regmap_read(wm2000->regmap, WM2000_REG_ID1, &reg);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Unable to read ID1: %d\n", ret);
+ return ret;
+ }
id = reg << 8;
- reg = wm2000_read(i2c, WM2000_REG_ID2);
+ ret = regmap_read(wm2000->regmap, WM2000_REG_ID2, &reg);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Unable to read ID2: %d\n", ret);
+ return ret;
+ }
id |= reg & 0xff;
if (id != 0x2000) {
@@ -871,7 +873,11 @@ static int wm2000_i2c_probe(struct i2c_client *i2c,
goto err_supplies;
}
- reg = wm2000_read(i2c, WM2000_REG_REVISON);
+ ret = regmap_read(wm2000->regmap, WM2000_REG_REVISON, &reg);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Unable to read Revision: %d\n", ret);
+ return ret;
+ }
dev_info(&i2c->dev, "revision %c\n", reg + 'A');
wm2000->mclk = devm_clk_get(&i2c->dev, "MCLK");