diff options
| -rw-r--r-- | firmware/export/imx233-codec.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/firmware/export/imx233-codec.h b/firmware/export/imx233-codec.h index 2bd6cba..a6f2445 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_ */ |