moving things around and adding examples for mic hat code

2023-04-27 10:34:53 -07:00
parent 91671ef554
commit 77c085ba69
121 changed files with 1273 additions and 0 deletions
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2017-2018
+ * Seeed Technology Co., Ltd. <www.seeedstudio.com>
+ *
+ * PeterYang <[email protected]>
+ */
+#ifndef __SOUND_COMPATIBLE_4_18_H__
+#define __SOUND_COMPATIBLE_4_18_H__
+
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,17,0)
+#define __NO_SND_SOC_CODEC_DRV     1
+#else
+#define __NO_SND_SOC_CODEC_DRV     0
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,4,0)
+#if __has_attribute(__fallthrough__)
+# define fallthrough                    __attribute__((__fallthrough__))
+#else
+# define fallthrough                    do {} while (0)  /* fallthrough */
+#endif
+#endif
+
+#if __NO_SND_SOC_CODEC_DRV
+#define codec                      component
+#define snd_soc_codec              snd_soc_component
+#define snd_soc_codec_driver       snd_soc_component_driver
+#define snd_soc_codec_get_drvdata  snd_soc_component_get_drvdata
+#define snd_soc_codec_get_dapm     snd_soc_component_get_dapm
+#define snd_soc_codec_get_bias_level snd_soc_component_get_bias_level
+#define snd_soc_kcontrol_codec     snd_soc_kcontrol_component
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0)
+#define snd_soc_read               snd_soc_component_read
+#else
+#define snd_soc_read               snd_soc_component_read32
+#endif
+#define snd_soc_register_codec     devm_snd_soc_register_component
+#define snd_soc_unregister_codec   snd_soc_unregister_component
+#define snd_soc_update_bits        snd_soc_component_update_bits
+#define snd_soc_write              snd_soc_component_write
+#define snd_soc_add_codec_controls snd_soc_add_component_controls
+#endif
+
+#endif//__SOUND_COMPATIBLE_4_18_H__
+