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Diffstat (limited to 'firmware/target/arm/imx233/audioout-imx233.h')
-rw-r--r--firmware/target/arm/imx233/audioout-imx233.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/firmware/target/arm/imx233/audioout-imx233.h b/firmware/target/arm/imx233/audioout-imx233.h
index c819fdb294..4c27ae2375 100644
--- a/firmware/target/arm/imx233/audioout-imx233.h
+++ b/firmware/target/arm/imx233/audioout-imx233.h
@@ -60,7 +60,7 @@ void imx233_audioout_set_hp_vol(int vol_l, int vol_r);
void imx233_audioout_set_freq(int fsel);
/* select between DAC and Line1 */
void imx233_audioout_select_hp_input(bool line1);
-/* value in 1.5dB steps, from 0dB to 6dB */
+/* value is uses register encoding: 0=Off, 1=3dB, 2=4.5dB, 3=6dB */
void imx233_audioout_set_3d_effect(int val);
/* enable/disable speaker amplifier */
void imx233_audioout_enable_spkr(bool en);