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-rw-r--r--drivers/mfd/wm8994-core.c61
-rw-r--r--sound/soc/codecs/wm8994.c25
2 files changed, 61 insertions, 25 deletions
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 398cb37..ac0b8f9 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -345,6 +345,27 @@ static int wm8994_ldo_in_use(struct wm8994_pdata *pdata, int ldo)
}
#endif
+static const __devinitdata struct reg_default wm8994_revc_patch[] = {
+ { 0x102, 0x3 },
+ { 0x56, 0x3 },
+ { 0x817, 0x0 },
+ { 0x102, 0x0 },
+};
+
+static const __devinitdata struct reg_default wm8958_reva_patch[] = {
+ { 0x102, 0x3 },
+ { 0xcb, 0x81 },
+ { 0x817, 0x0 },
+ { 0x102, 0x0 },
+};
+
+static const __devinitdata struct reg_default wm1811_reva_patch[] = {
+ { 0x102, 0x3 },
+ { 0x5d, 0x7e },
+ { 0x5e, 0x0 },
+ { 0x102, 0x0 },
+};
+
/*
* Instantiate the generic non-control parts of the device.
*/
@@ -352,8 +373,9 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
{
struct wm8994_pdata *pdata = wm8994->dev->platform_data;
struct regmap_config *regmap_config;
+ const struct reg_default *regmap_patch = NULL;
const char *devname;
- int ret, i;
+ int ret, i, patch_regs;
int pulls = 0;
dev_set_drvdata(wm8994->dev, wm8994);
@@ -474,15 +496,42 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
"revision %c not fully supported\n",
'A' + wm8994->revision);
break;
+ case 2:
+ case 3:
+ regmap_patch = wm8994_revc_patch;
+ patch_regs = ARRAY_SIZE(wm8994_revc_patch);
+ break;
+ default:
+ break;
+ }
+ break;
+
+ case WM8958:
+ switch (wm8994->revision) {
+ case 0:
+ regmap_patch = wm8958_reva_patch;
+ patch_regs = ARRAY_SIZE(wm8958_reva_patch);
+ break;
default:
break;
}
break;
+
case WM1811:
/* Revision C did not change the relevant layer */
if (wm8994->revision > 1)
wm8994->revision++;
+ switch (wm8994->revision) {
+ case 0:
+ case 1:
+ regmap_patch = wm1811_reva_patch;
+ patch_regs = ARRAY_SIZE(wm1811_reva_patch);
+ break;
+ default:
+ break;
+ }
break;
+
default:
break;
}
@@ -512,6 +561,16 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
return ret;
}
+ if (regmap_patch) {
+ ret = regmap_register_patch(wm8994->regmap, regmap_patch,
+ patch_regs);
+ if (ret != 0) {
+ dev_err(wm8994->dev, "Failed to register patch: %d\n",
+ ret);
+ goto err_regmap;
+ }
+ }
+
if (pdata) {
wm8994->irq_base = pdata->irq_base;
wm8994->gpio_base = pdata->gpio_base;
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index ec69a6c..7c686ab 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2099,26 +2099,9 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
switch (control->type) {
- case WM8994:
- 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);
- }
- break;
-
case WM8958:
if (wm8994->revision == 0) {
/* Optimise performance for rev A */
- snd_soc_write(codec, 0x102, 0x3);
- snd_soc_write(codec, 0xcb, 0x81);
- snd_soc_write(codec, 0x817, 0);
- snd_soc_write(codec, 0x102, 0);
-
snd_soc_update_bits(codec,
WM8958_CHARGE_PUMP_2,
WM8958_CP_DISCH,
@@ -2126,13 +2109,7 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
}
break;
- case WM1811:
- if (wm8994->revision < 2) {
- snd_soc_write(codec, 0x102, 0x3);
- snd_soc_write(codec, 0x5d, 0x7e);
- snd_soc_write(codec, 0x5e, 0x0);
- snd_soc_write(codec, 0x102, 0x0);
- }
+ default:
break;
}
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