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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-14 15:16:58 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-24 15:42:35 +0000
commitd61100bbd18e8b3fc9406be55354dabd5e7525ec (patch)
tree0adbfd1c8e57abeaa02ff3b8fdff52511a2a620b
parent514cfd6dd72508b79030c8504764a73a7261b713 (diff)
ASoC: wm2000: Use clock API integration to configure MCLK divisor
Since we are now using the clock API integration to manage MCLK we can now use clk_get_rate() to determine if we need to divide MCLK without relying on platform data. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--include/sound/wm2000.h3
-rw-r--r--sound/soc/codecs/wm2000.c6
2 files changed, 3 insertions, 6 deletions
diff --git a/include/sound/wm2000.h b/include/sound/wm2000.h
index aa388ca9ec6..4de81f41c90 100644
--- a/include/sound/wm2000.h
+++ b/include/sound/wm2000.h
@@ -15,9 +15,6 @@ struct wm2000_platform_data {
/** Filename for system-specific image to download to device. */
const char *download_file;
- /** Divide MCLK by 2 for system clock? */
- unsigned int mclkdiv2:1;
-
/** Disable speech clarity enhancement, for use when an
* external algorithm is used. */
unsigned int speech_enh_disable:1;
diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c
index 0aba8ce424c..85550dc319d 100644
--- a/sound/soc/codecs/wm2000.c
+++ b/sound/soc/codecs/wm2000.c
@@ -73,7 +73,6 @@ struct wm2000_priv {
unsigned int anc_eng_ena:1;
unsigned int spk_ena:1;
- unsigned int mclk_div:1;
unsigned int speech_clarity:1;
int anc_download_size;
@@ -133,6 +132,7 @@ static int wm2000_poll_bit(struct i2c_client *i2c,
static int wm2000_power_up(struct i2c_client *i2c, int analogue)
{
struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
+ unsigned long rate;
int ret;
BUG_ON(wm2000->anc_mode != ANC_OFF);
@@ -145,7 +145,8 @@ static int wm2000_power_up(struct i2c_client *i2c, int analogue)
return ret;
}
- if (!wm2000->mclk_div) {
+ rate = clk_get_rate(wm2000->mclk);
+ if (rate <= 13500000) {
dev_dbg(&i2c->dev, "Disabling MCLK divider\n");
wm2000_write(i2c, WM2000_REG_SYS_CTL2,
WM2000_MCLK_DIV2_ENA_CLR);
@@ -847,7 +848,6 @@ static int wm2000_i2c_probe(struct i2c_client *i2c,
filename = "wm2000_anc.bin";
pdata = dev_get_platdata(&i2c->dev);
if (pdata) {
- wm2000->mclk_div = pdata->mclkdiv2;
wm2000->speech_clarity = !pdata->speech_enh_disable;
if (pdata->download_file)