ALSA: wss: convert CS4231 mixer to dB scale

Convert CS4231 mixer to dB scale after AD1848 mixer.

Also, add missing microphone boost control for the AD1848
and correct wrong bits for loopback volume on the AD1848.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/isa/wss/wss_lib.c

@@ -2198,6 +2198,7 @@ EXPORT_SYMBOL(snd_wss_put_double);
 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
 
 static struct snd_kcontrol_new snd_ad1848_controls[] = {
 WSS_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT,
@@ -2224,38 +2225,45 @@ WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT,
 	.get = snd_wss_get_mux,
 	.put = snd_wss_put_mux,
 },
+WSS_DOUBLE("Mic Boost", 0,
+		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0),
 WSS_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
-WSS_SINGLE_TLV("Loopback Capture Volume", 0, CS4231_LOOPBACK, 1, 63, 0,
+WSS_SINGLE_TLV("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1,
 	       db_scale_6bit),
 };
 
 static struct snd_kcontrol_new snd_wss_controls[] = {
 WSS_DOUBLE("PCM Playback Switch", 0,
 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
-WSS_DOUBLE("PCM Playback Volume", 0,
-		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
+WSS_DOUBLE_TLV("PCM Playback Volume", 0,
+		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
+		db_scale_6bit),
 WSS_DOUBLE("Line Playback Switch", 0,
 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
-WSS_DOUBLE("Line Playback Volume", 0,
-		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
+WSS_DOUBLE_TLV("Line Playback Volume", 0,
+		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
+		db_scale_5bit_12db_max),
 WSS_DOUBLE("Aux Playback Switch", 0,
 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
-WSS_DOUBLE("Aux Playback Volume", 0,
-		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
+WSS_DOUBLE_TLV("Aux Playback Volume", 0,
+		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
+		db_scale_5bit_12db_max),
 WSS_DOUBLE("Aux Playback Switch", 1,
 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
-WSS_DOUBLE("Aux Playback Volume", 1,
-		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
+WSS_DOUBLE_TLV("Aux Playback Volume", 1,
+		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
+		db_scale_5bit_12db_max),
 WSS_SINGLE("Mono Playback Switch", 0,
 		CS4231_MONO_CTRL, 7, 1, 1),
-WSS_SINGLE("Mono Playback Volume", 0,
-		CS4231_MONO_CTRL, 0, 15, 1),
+WSS_SINGLE_TLV("Mono Playback Volume", 0,
+		CS4231_MONO_CTRL, 0, 15, 1,
+		db_scale_4bit),
 WSS_SINGLE("Mono Output Playback Switch", 0,
 		CS4231_MONO_CTRL, 6, 1, 1),
 WSS_SINGLE("Mono Output Playback Bypass", 0,
 		CS4231_MONO_CTRL, 5, 1, 0),
-WSS_DOUBLE("Capture Volume", 0,
-		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0),
+WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT,
+		0, 0, 15, 0, db_scale_rec_gain),
 {
 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name = "Capture Source",
@@ -2267,15 +2275,16 @@ WSS_DOUBLE("Mic Boost", 0,
 		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0),
 WSS_SINGLE("Loopback Capture Switch", 0,
 		CS4231_LOOPBACK, 0, 1, 0),
-WSS_SINGLE("Loopback Capture Volume", 0,
-		CS4231_LOOPBACK, 2, 63, 1)
+WSS_SINGLE_TLV("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1,
+		db_scale_6bit),
 };
 
 static struct snd_kcontrol_new snd_opti93x_controls[] = {
 WSS_DOUBLE("Master Playback Switch", 0,
 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
-WSS_DOUBLE("Master Playback Volume", 0,
-		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1),
+WSS_DOUBLE_TLV("Master Playback Volume", 0,
+		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
+		db_scale_6bit),
 WSS_DOUBLE("PCM Playback Switch", 0,
 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
 WSS_DOUBLE("PCM Playback Volume", 0,