1 files changed, 35 insertions, 8 deletions

diff --git a/kernel/sound/soc/codecs/ssm4567.c b/kernel/sound/soc/codecs/ssm4567.c
index f7549cc7e..e619d5651 100644
--- a/kernel/sound/soc/codecs/ssm4567.c
+++ b/kernel/sound/soc/codecs/ssm4567.c
@@ -10,6 +10,7 @@
  * Licensed under the GPL-2.
  */
 
+#include <linux/acpi.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
@@ -173,6 +174,12 @@ static const struct snd_soc_dapm_widget ssm4567_dapm_widgets[] = {
 	SND_SOC_DAPM_SWITCH("Amplifier Boost", SSM4567_REG_POWER_CTRL, 3, 1,
 		&ssm4567_amplifier_boost_control),
 
+	SND_SOC_DAPM_SIGGEN("Sense"),
+
+	SND_SOC_DAPM_PGA("Current Sense", SSM4567_REG_POWER_CTRL, 4, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("Voltage Sense", SSM4567_REG_POWER_CTRL, 5, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("VBAT Sense", SSM4567_REG_POWER_CTRL, 6, 1, NULL, 0),
+
 	SND_SOC_DAPM_OUTPUT("OUT"),
 };
 
@@ -180,6 +187,13 @@ static const struct snd_soc_dapm_route ssm4567_routes[] = {
 	{ "OUT", NULL, "Amplifier Boost" },
 	{ "Amplifier Boost", "Switch", "DAC" },
 	{ "OUT", NULL, "DAC" },
+
+	{ "Current Sense", NULL, "Sense" },
+	{ "Voltage Sense", NULL, "Sense" },
+	{ "VBAT Sense", NULL, "Sense" },
+	{ "Capture Sense", NULL, "Current Sense" },
+	{ "Capture Sense", NULL, "Voltage Sense" },
+	{ "Capture Sense", NULL, "VBAT Sense" },
 };
 
 static int ssm4567_hw_params(struct snd_pcm_substream *substream,
@@ -359,7 +373,7 @@ static int ssm4567_set_bias_level(struct snd_soc_codec *codec,
 	case SND_SOC_BIAS_PREPARE:
 		break;
 	case SND_SOC_BIAS_STANDBY:
-		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
+		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF)
 			ret = ssm4567_set_power(ssm4567, true);
 		break;
 	case SND_SOC_BIAS_OFF:
@@ -367,12 +381,7 @@ static int ssm4567_set_bias_level(struct snd_soc_codec *codec,
 		break;
 	}
 
-	if (ret)
-		return ret;
-
-	codec->dapm.bias_level = level;
-
-	return 0;
+	return ret;
 }
 
 static const struct snd_soc_dai_ops ssm4567_dai_ops = {
@@ -392,6 +401,14 @@ static struct snd_soc_dai_driver ssm4567_dai = {
 		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
 			SNDRV_PCM_FMTBIT_S32,
 	},
+	.capture = {
+		.stream_name = "Capture Sense",
+		.channels_min = 1,
+		.channels_max = 1,
+		.rates = SNDRV_PCM_RATE_8000_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
+			SNDRV_PCM_FMTBIT_S32,
+	},
 	.ops = &ssm4567_dai_ops,
 };
 
@@ -461,10 +478,20 @@ static const struct i2c_device_id ssm4567_i2c_ids[] = {
 };
 MODULE_DEVICE_TABLE(i2c, ssm4567_i2c_ids);
 
+#ifdef CONFIG_ACPI
+
+static const struct acpi_device_id ssm4567_acpi_match[] = {
+	{ "INT343B", 0 },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, ssm4567_acpi_match);
+
+#endif
+
 static struct i2c_driver ssm4567_driver = {
 	.driver = {
 		.name = "ssm4567",
-		.owner = THIS_MODULE,
+		.acpi_match_table = ACPI_PTR(ssm4567_acpi_match),
 	},
 	.probe = ssm4567_i2c_probe,
 	.remove = ssm4567_i2c_remove,