v4.19.13 snapshot.
diff --git a/sound/soc/codecs/pcm3168a.h b/sound/soc/codecs/pcm3168a.h
new file mode 100644
index 0000000..56c8332
--- /dev/null
+++ b/sound/soc/codecs/pcm3168a.h
@@ -0,0 +1,100 @@
+/*
+ * PCM3168A codec driver header
+ *
+ * Copyright (C) 2015 Imagination Technologies Ltd.
+ *
+ * Author: Damien Horsley <Damien.Horsley@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+
+#ifndef __PCM3168A_H__
+#define __PCM3168A_H__
+
+extern const struct dev_pm_ops pcm3168a_pm_ops;
+extern const struct regmap_config pcm3168a_regmap;
+
+extern int pcm3168a_probe(struct device *dev, struct regmap *regmap);
+extern void pcm3168a_remove(struct device *dev);
+
+#define PCM3168A_RST_SMODE 0x40
+#define PCM3168A_MRST_MASK 0x80
+#define PCM3168A_SRST_MASK 0x40
+#define PCM3168A_DAC_SRDA_SHIFT 0
+#define PCM3168A_DAC_SRDA_MASK 0x3
+
+#define PCM3168A_DAC_PWR_MST_FMT 0x41
+#define PCM3168A_DAC_PSMDA_SHIFT 7
+#define PCM3168A_DAC_PSMDA_MASK 0x80
+#define PCM3168A_DAC_MSDA_SHIFT 4
+#define PCM3168A_DAC_MSDA_MASK 0x70
+#define PCM3168A_DAC_FMT_SHIFT 0
+#define PCM3168A_DAC_FMT_MASK 0xf
+
+#define PCM3168A_DAC_OP_FLT 0x42
+#define PCM3168A_DAC_OPEDA_SHIFT 4
+#define PCM3168A_DAC_OPEDA_MASK 0xf0
+#define PCM3168A_DAC_FLT_SHIFT 0
+#define PCM3168A_DAC_FLT_MASK 0xf
+
+#define PCM3168A_DAC_INV 0x43
+
+#define PCM3168A_DAC_MUTE 0x44
+
+#define PCM3168A_DAC_ZERO 0x45
+
+#define PCM3168A_DAC_ATT_DEMP_ZF 0x46
+#define PCM3168A_DAC_ATMDDA_MASK 0x80
+#define PCM3168A_DAC_ATMDDA_SHIFT 7
+#define PCM3168A_DAC_ATSPDA_MASK 0x40
+#define PCM3168A_DAC_ATSPDA_SHIFT 6
+#define PCM3168A_DAC_DEMP_SHIFT 4
+#define PCM3168A_DAC_DEMP_MASK 0x30
+#define PCM3168A_DAC_AZRO_SHIFT 1
+#define PCM3168A_DAC_AZRO_MASK 0xe
+#define PCM3168A_DAC_ZREV_MASK 0x1
+#define PCM3168A_DAC_ZREV_SHIFT 0
+
+#define PCM3168A_DAC_VOL_MASTER 0x47
+
+#define PCM3168A_DAC_VOL_CHAN_START 0x48
+
+#define PCM3168A_ADC_SMODE 0x50
+#define PCM3168A_ADC_SRAD_SHIFT 0
+#define PCM3168A_ADC_SRAD_MASK 0x3
+
+#define PCM3168A_ADC_MST_FMT 0x51
+#define PCM3168A_ADC_MSAD_SHIFT 4
+#define PCM3168A_ADC_MSAD_MASK 0x70
+#define PCM3168A_ADC_FMTAD_SHIFT 0
+#define PCM3168A_ADC_FMTAD_MASK 0x7
+
+#define PCM3168A_ADC_PWR_HPFB 0x52
+#define PCM3168A_ADC_PSVAD_SHIFT 4
+#define PCM3168A_ADC_PSVAD_MASK 0x70
+#define PCM3168A_ADC_BYP_SHIFT 0
+#define PCM3168A_ADC_BYP_MASK 0x7
+
+#define PCM3168A_ADC_SEAD 0x53
+
+#define PCM3168A_ADC_INV 0x54
+
+#define PCM3168A_ADC_MUTE 0x55
+
+#define PCM3168A_ADC_OV 0x56
+
+#define PCM3168A_ADC_ATT_OVF 0x57
+#define PCM3168A_ADC_ATMDAD_MASK 0x80
+#define PCM3168A_ADC_ATMDAD_SHIFT 7
+#define PCM3168A_ADC_ATSPAD_MASK 0x40
+#define PCM3168A_ADC_ATSPAD_SHIFT 6
+#define PCM3168A_ADC_OVFP_MASK 0x1
+#define PCM3168A_ADC_OVFP_SHIFT 0
+
+#define PCM3168A_ADC_VOL_MASTER 0x58
+
+#define PCM3168A_ADC_VOL_CHAN_START 0x59
+
+#endif