forked from len0rd/rockbox
imx233: revert volumes to 1dB resolution
Using a better resolution causes havoc in the user interface because it doesn't properly handle steps and people start to believe I am responsible for all this mess. Change-Id: I02b68dce5802692efde3da226eeeb49e4995f97a
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9faabb98d4
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2 changed files with 6 additions and 6 deletions
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@ -46,6 +46,7 @@ void audiohw_close(void)
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imx233_audioin_close();
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}
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/* volume in centibels */
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void audiohw_set_volume(int vol_l, int vol_r)
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{
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imx233_audioout_set_hp_vol(vol_l / 5, vol_r / 5);
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@ -71,6 +72,7 @@ void audiohw_disable_recording(void)
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imx233_audioin_close();
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}
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/* volume in centibels */
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void audiohw_set_recvol(int left, int right, int type)
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{
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left /= 5;
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@ -27,20 +27,18 @@
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#define AUDIOHW_CAPS (DEPTH_3D_CAP | BASS_CAP | TREBLE_CAP | \
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LIN_GAIN_CAP | MIC_GAIN_CAP)
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/* Work with half dB since the i.MX233 doesn't have a better resolution */
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/* minimum is -57.5dB and max is 6dB in DAC mode
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* and -51.5dB / 12dB in Line1 mode */
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AUDIOHW_SETTING(VOLUME, "dB", 1, 5,-580, 120, -250)
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AUDIOHW_SETTING(VOLUME, "dB", 0, 1, -58, 12, -25)
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/* HAVE_SW_TONE_CONTROLS */
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#ifdef HAVE_RECORDING
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/* Depending on the input, we have three available volumes to tweak:
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* - adc volume: -100dB -> -0.5dB in 0.5dB steps
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* - mux gain: 0dB -> 22.5dB in 1.5dB steps
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* - mic gain: 0dB -> 40dB in 10dB steps (except for 10) */
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AUDIOHW_SETTING(LEFT_GAIN, "dB", 1, 5,-1000, 220, 0)
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AUDIOHW_SETTING(RIGHT_GAIN, "dB", 1, 5,-1000, 220, 0)
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AUDIOHW_SETTING(MIC_GAIN, "dB", 1, 5,-1000, 600, 200)
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AUDIOHW_SETTING(LEFT_GAIN, "dB", 0, 1, -100, 22, 0)
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AUDIOHW_SETTING(RIGHT_GAIN, "dB", 0, 1, -100, 22, 0)
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AUDIOHW_SETTING(MIC_GAIN, "dB", 0, 1, -100, 60, 20)
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#endif /* HAVE_RECORDING */
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/* i.MX233 has four settings: 0dB, 3dB, 4.5dB, 6dB so fake 1.5dB steps */
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AUDIOHW_SETTING(DEPTH_3D, "dB", 1,15, 0, 60, 0)
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