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-rw-r--r--MAINTAINERS7
-rw-r--r--sound/soc/codecs/wm8994.c23
2 files changed, 19 insertions, 11 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 02f75fccac20..eceace1618c1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6325,8 +6325,9 @@ S: Supported
F: drivers/input/touchscreen/*wm97*
F: include/linux/wm97xx.h
-WOLFSON MICROELECTRONICS PMIC DRIVERS
+WOLFSON MICROELECTRONICS DRIVERS
M: Mark Brown <broonie@opensource.wolfsonmicro.com>
+M: Ian Lartey <ian@opensource.wolfsonmicro.com>
T: git git://opensource.wolfsonmicro.com/linux-2.6-audioplus
W: http://opensource.wolfsonmicro.com/node/8
S: Supported
@@ -6341,8 +6342,8 @@ F: drivers/watchdog/wm83*_wdt.c
F: include/linux/mfd/wm831x/
F: include/linux/mfd/wm8350/
F: include/linux/mfd/wm8400*
-F: sound/soc/codecs/wm8350.*
-F: sound/soc/codecs/wm8400.*
+F: include/sound/wm????.h
+F: sound/soc/codecs/wm*
X.25 NETWORK LAYER
M: Andrew Hendry <andrew.hendry@gmail.com>
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index a87046a96f2a..522249d5c2b4 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -95,6 +95,7 @@ struct wm8994_priv {
struct wm8994_micdet micdet[2];
+ int revision;
struct wm8994_pdata *pdata;
};
@@ -3070,6 +3071,8 @@ static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
static int wm8994_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
switch (level) {
case SND_SOC_BIAS_ON:
break;
@@ -3082,11 +3085,16 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->bias_level == SND_SOC_BIAS_OFF) {
- /* Tweak DC servo configuration for improved
- * performance. */
- snd_soc_write(codec, 0x102, 0x3);
- snd_soc_write(codec, 0x56, 0x3);
- snd_soc_write(codec, 0x102, 0);
+ /* Tweak DC servo and DSP configuration for
+ * improved performance. */
+ if (wm8994->revision < 4) {
+ /* Tweak DC servo and DSP configuration for
+ * improved performance. */
+ snd_soc_write(codec, 0x102, 0x3);
+ snd_soc_write(codec, 0x56, 0x3);
+ snd_soc_write(codec, 0x817, 0);
+ snd_soc_write(codec, 0x102, 0);
+ }
/* Discharge LINEOUT1 & 2 */
snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
@@ -3919,7 +3927,6 @@ static int wm8994_codec_probe(struct platform_device *pdev)
struct wm8994_priv *wm8994;
struct snd_soc_codec *codec;
int i;
- u16 rev;
if (wm8994_codec) {
dev_err(&pdev->dev, "Another WM8994 is registered\n");
@@ -3973,8 +3980,8 @@ static int wm8994_codec_probe(struct platform_device *pdev)
wm8994->reg_cache[i] = 0;
/* Set revision-specific configuration */
- rev = snd_soc_read(codec, WM8994_CHIP_REVISION);
- switch (rev) {
+ wm8994->revision = snd_soc_read(codec, WM8994_CHIP_REVISION);
+ switch (wm8994->revision) {
case 2:
case 3:
wm8994->hubs.dcs_codes = -5;