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Diffstat (limited to 'sound/soc/codecs/wm8994.c')
-rw-r--r--sound/soc/codecs/wm8994.c59
1 files changed, 33 insertions, 26 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 29f3771c33a..9da0724cd47 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -19,6 +19,7 @@
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -3007,34 +3008,39 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_OFF:
- /* Switch over to startup biases */
- snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
- WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
- WM8994_VMID_BUF_ENA |
- WM8994_VMID_RAMP_MASK,
- WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
- WM8994_VMID_BUF_ENA |
- (1 << WM8994_VMID_RAMP_SHIFT));
-
- /* Disable main biases */
- snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
- WM8994_BIAS_ENA | WM8994_VMID_SEL_MASK, 0);
+ if (codec->bias_level == SND_SOC_BIAS_STANDBY) {
+ /* Switch over to startup biases */
+ snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+ WM8994_BIAS_SRC |
+ WM8994_STARTUP_BIAS_ENA |
+ WM8994_VMID_BUF_ENA |
+ WM8994_VMID_RAMP_MASK,
+ WM8994_BIAS_SRC |
+ WM8994_STARTUP_BIAS_ENA |
+ WM8994_VMID_BUF_ENA |
+ (1 << WM8994_VMID_RAMP_SHIFT));
- /* Discharge line */
- snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
- WM8994_LINEOUT1_DISCH |
- WM8994_LINEOUT2_DISCH,
- WM8994_LINEOUT1_DISCH |
- WM8994_LINEOUT2_DISCH);
+ /* Disable main biases */
+ snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
+ WM8994_BIAS_ENA |
+ WM8994_VMID_SEL_MASK, 0);
- msleep(5);
+ /* Discharge line */
+ snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
+ WM8994_LINEOUT1_DISCH |
+ WM8994_LINEOUT2_DISCH,
+ WM8994_LINEOUT1_DISCH |
+ WM8994_LINEOUT2_DISCH);
- /* Switch off startup biases */
- snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
- WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA |
- WM8994_VMID_BUF_ENA |
- WM8994_VMID_RAMP_MASK, 0);
+ msleep(5);
+ /* Switch off startup biases */
+ snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+ WM8994_BIAS_SRC |
+ WM8994_STARTUP_BIAS_ENA |
+ WM8994_VMID_BUF_ENA |
+ WM8994_VMID_RAMP_MASK, 0);
+ }
break;
}
codec->bias_level = level;
@@ -3401,7 +3407,7 @@ struct snd_soc_dai wm8994_dai[] = {
.rates = WM8994_RATES,
.formats = WM8994_FORMATS,
},
- .playback = {
+ .capture = {
.stream_name = "AIF3 Capture",
.channels_min = 2,
.channels_max = 2,
@@ -3730,11 +3736,12 @@ static int wm8994_codec_probe(struct platform_device *pdev)
case 3:
wm8994->hubs.dcs_codes = -5;
wm8994->hubs.hp_startup_mode = 1;
+ wm8994->hubs.dcs_readback_mode = 1;
break;
default:
+ wm8994->hubs.dcs_readback_mode = 1;
break;
}
-
/* Remember if AIFnLRCLK is configured as a GPIO. This should be
* configured on init - if a system wants to do this dynamically