Simplifies the code a bit and prepares it to the removal of local caching.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
---
sound/soc/codecs/twl4030.c | 40 +++++++++++++++++++++++-----------------
1 file changed, 23 insertions(+), 17 deletions(-)
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index dfc51bb425da..419108ae31de 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -181,50 +181,56 @@ static inline void twl4030_write_reg_cache(struct
snd_soc_codec *codec,
cache[reg] = value;
}
-/*
- * write to the twl4030 register space
- */
-static int twl4030_write(struct snd_soc_codec *codec,
- unsigned int reg, unsigned int value)
+static bool twl4030_can_write_to_chip(struct snd_soc_codec *codec,
+ unsigned int reg)
{
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
- int write_to_reg = 0;
+ bool write_to_reg = false;
- twl4030_write_reg_cache(codec, reg, value);
/* Decide if the given register can be written */
switch (reg) {
case TWL4030_REG_EAR_CTL:
if (twl4030->earpiece_enabled)
- write_to_reg = 1;
+ write_to_reg = true;
break;
case TWL4030_REG_PREDL_CTL:
if (twl4030->predrivel_enabled)
- write_to_reg = 1;
+ write_to_reg = true;
break;
case TWL4030_REG_PREDR_CTL:
if (twl4030->predriver_enabled)
- write_to_reg = 1;
+ write_to_reg = true;
break;
case TWL4030_REG_PRECKL_CTL:
if (twl4030->carkitl_enabled)
- write_to_reg = 1;
+ write_to_reg = true;
break;
case TWL4030_REG_PRECKR_CTL:
if (twl4030->carkitr_enabled)
- write_to_reg = 1;
+ write_to_reg = true;
break;
case TWL4030_REG_HS_GAIN_SET:
if (twl4030->hsl_enabled || twl4030->hsr_enabled)
- write_to_reg = 1;
+ write_to_reg = true;
break;
default:
/* All other register can be written */
- write_to_reg = 1;
+ write_to_reg = true;
break;
}
- if (write_to_reg)
- return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
- value, reg);
+
+ return write_to_reg;
+}
+
+/*
+ * write to the twl4030 register space
+ */
+static int twl4030_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ twl4030_write_reg_cache(codec, reg, value);
+ if (twl4030_can_write_to_chip(codec, reg))
+ return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg);
return 0;
}
--
1.8.5.2
--
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