echoplayer: add echoplayer-specific codec header

commit 33cdbf87d7ed6022ced7ff4c0812e461697896f3
Author: Aidan MacDonald <[email protected]>
Date:   Thu Feb 19 17:10:58 2026 +0000

    echoplayer: add echoplayer-specific codec header
    
    Remove the generic TLV320AIC3104 codec header. The codec
    is sufficiently complex that a one-size-fits-all driver
    isn't really feasible, eg. due to different clocking and
    output configurations.
    
    It's easier for targets to have their own audio headers
    tailored to their use case than a generic header with
    lots of ifdefs.
    
    Change-Id: I63d92d57c28ddd7da7aa3174bd583d8afb1aa56d

diff --git a/firmware/export/audiohw.h b/firmware/export/audiohw.h
index e0a8df2f54..65570abb5b 100644
--- a/firmware/export/audiohw.h
+++ b/firmware/export/audiohw.h
@@ -241,8 +241,8 @@ struct sound_settings_info
 #include "fiiolinux_codec.h"
 #elif defined(HAVE_EROSQ_LINUX_CODEC)
 #include "erosqlinux_codec.h"
-#elif defined(HAVE_TLV320AIC3104)
-#include "tlv320aic3104_codec.h"
+#elif defined(HAVE_ECHOPLAYER_CODEC)
+#include "echoplayer_codec.h"
 #elif defined(HAVE_HIBY_LINUX_CODEC)
 #include "hibylinux_codec.h"
 #endif
diff --git a/firmware/export/config/echor1.h b/firmware/export/config/echor1.h
index c2027d975d..6b39778507 100644
--- a/firmware/export/config/echor1.h
+++ b/firmware/export/config/echor1.h
@@ -54,7 +54,7 @@
 #define INPUT_SRC_CAPS  SRC_CAP_MIC
 #define AUDIOHW_CAPS    MIC_GAIN_CAP
 #define HAVE_RECORDING
-#define HAVE_TLV320AIC3104 // TODO: Sansa connect uses the AIC3106, possible code sharing?
+#define HAVE_ECHOPLAYER_CODEC
 #define HAVE_SW_TONE_CONTROLS
 #define HAVE_SW_VOLUME_CONTROL
 #define DEFAULT_REC_MIC_GAIN  12
diff --git a/firmware/export/tlv320aic3104_codec.h b/firmware/export/echoplayer_codec.h
similarity index 73%
rename from firmware/export/tlv320aic3104_codec.h
rename to firmware/export/echoplayer_codec.h
index 7caee62f4e..73f69646e6 100644
--- a/firmware/export/tlv320aic3104_codec.h
+++ b/firmware/export/echoplayer_codec.h
@@ -18,12 +18,14 @@
  * KIND, either express or implied.
  *
  ****************************************************************************/
+#ifndef __ECHOPLAYER_CODEC_H__
+#define __ECHOPLAYER_CODEC_H__
 
-#ifndef __TLV320AIC3104_CODEC__
-#define __TLV320AIC3104_CODEC__
+/* -79 to 0 dB in 0.5 dB steps; software volume control
+ * is used because the hardware volume controls "click"
+ * when changing the volume */
+AUDIOHW_SETTING(VOLUME, "dB", 1, 5, -790, 0, -200);
 
-// FIXME: range
-AUDIOHW_SETTING(VOLUME, "dB", 0,  2, -74, -2, -40)
-AUDIOHW_SETTING(MIC_GAIN, "dB", 0, 1, 0, 63, 12)
+AUDIOHW_SETTING(MIC_GAIN, "dB", 0, 1, 0, 63, 12);
 
-#endif /* __TLV320AIC3104_CODEC__ */
+#endif /* __ECHOPLAYER_CODEC_H__ */
-- 
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