1 files changed, 11 insertions, 6 deletions

diff --git a/firmware/export/imx233-codec.h b/firmware/export/imx233-codec.h
index 2bd6cba5de..a6f244517e 100644
--- a/firmware/export/imx233-codec.h
+++ b/firmware/export/imx233-codec.h
@@ -29,15 +29,20 @@
 
 /* Work with half dB since the i.MX233 doesn't have a better resolution */
 
-/* i.MX233 has half dB steps */
-AUDIOHW_SETTING(VOLUME,     "dB", 0,   1,-101,   6, -25)
+/* minimum is -57.5dB and max is 6dB in DAC mode
+ * and -51.5dB / 12dB in Line1 mode */
+AUDIOHW_SETTING(VOLUME,     "dB", 1, 5,-580, 120, -250)
 /* HAVE_SW_TONE_CONTROLS */
 #ifdef HAVE_RECORDING
-AUDIOHW_SETTING(LEFT_GAIN,  "dB", 1,   1,   0,  31,  23)
-AUDIOHW_SETTING(RIGHT_GAIN, "dB", 1,   1,   0,  31,  23)
-AUDIOHW_SETTING(MIC_GAIN,   "dB", 1,   1,   0,   1,   1)
+/* Depending on the input, we have three available volumes to tweak:
+ * - adc volume: -100dB -> -0.5dB in 0.5dB steps
+ * - mux gain: 0dB -> 22.5dB in 1.5dB steps
+ * - mic gain: 0dB -> 40dB in 10dB steps (except for 10) */
+AUDIOHW_SETTING(LEFT_GAIN,  "dB", 1, 5,-1000, 220,   0)
+AUDIOHW_SETTING(RIGHT_GAIN, "dB", 1, 5,-1000, 220,   0)
+AUDIOHW_SETTING(MIC_GAIN,   "dB", 1, 5,-1000, 600, 200)
 #endif /* HAVE_RECORDING */
 /* i.MX233 has four settings: 0dB, 3dB, 4.5dB, 6dB so fake 1.5dB steps */
-AUDIOHW_SETTING(DEPTH_3D,   "dB", 1,  15,   0,  60,   0)
+AUDIOHW_SETTING(DEPTH_3D,   "dB", 1,15,   0,   60,   0)
 
 #endif /* __IMX233_CODEC_H_ */