linux-kernel - [PATCH 5.0 004/238] ASoC: codecs: pcm186x: fix wrong usage of DECLARE_TLV_DB

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Date:   Fri, 22 Mar 2019 12:13:43 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>,
        "Andrew F. Davis" <afd@...com>, Mark Brown <broonie@...nel.org>
Subject: [PATCH 5.0 004/238] ASoC: codecs: pcm186x: fix wrong usage of DECLARE_TLV_DB_SCALE()

5.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>

commit fcf4daabf08079e6d09958a2992e7446ef8d0438 upstream.

According to DS, the gain is between -12 dB and 40 dB, with a 0.5 dB step.
Tested on pcm1863.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
Acked-by: Andrew F. Davis <afd@...com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/codecs/pcm186x.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/codecs/pcm186x.c
+++ b/sound/soc/codecs/pcm186x.c
@@ -42,7 +42,7 @@ struct pcm186x_priv {
 	bool is_master_mode;
 };
 
-static const DECLARE_TLV_DB_SCALE(pcm186x_pga_tlv, -1200, 4000, 50);
+static const DECLARE_TLV_DB_SCALE(pcm186x_pga_tlv, -1200, 50, 0);
 
 static const struct snd_kcontrol_new pcm1863_snd_controls[] = {
 	SOC_DOUBLE_R_S_TLV("ADC Capture Volume", PCM186X_PGA_VAL_CH1_L,