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@@ -366,6 +366,12 @@ static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
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*/
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static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
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+/*
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+ * Gain controls tied to outputs
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+ * -6 dB to 6 dB in 6 dB steps (mute instead of -12)
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+ */
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+static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
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+
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/*
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* Capture gain after the ADCs
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* from 0 dB to 31 dB in 1 dB steps
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@@ -395,6 +401,21 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
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TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
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3, 0x12, 1, analog_tlv),
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+ /* Separate output gain controls */
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+ SOC_DOUBLE_R_TLV_TWL4030("PreDriv Playback Volume",
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+ TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
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+ 4, 3, 0, output_tvl),
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+
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+ SOC_DOUBLE_TLV_TWL4030("Headset Playback Volume",
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+ TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, output_tvl),
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+
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+ SOC_DOUBLE_R_TLV_TWL4030("Carkit Playback Volume",
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+ TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL,
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+ 4, 3, 0, output_tvl),
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+
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+ SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume",
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+ TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl),
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+
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/* Common capture gain controls */
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SOC_DOUBLE_R_TLV("Capture Volume",
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TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
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