ASOC: support multi gain tables for several operator.

Change-Id: Iffc4340f37e80c446e212d656c5605687da6555d
Signed-off-by: Uk Kim <w0806.kim@samsung.com>

3 files changed, 59 insertions, 17 deletions

diff --git a/sound/soc/codecs/wm8994_herring.c b/sound/soc/codecs/wm8994_herring.c
index 26d1d00..f760ac6 100755
--- a/sound/soc/codecs/wm8994_herring.c
+++ b/sound/soc/codecs/wm8994_herring.c
@@ -540,67 +540,67 @@ struct gain_info_t recording_gain_table[RECORDING_GAIN_NUM] = {
 struct gain_info_t gain_code_table[GAIN_CODE_NUM] = {
 	/* Playback */
 	{/* HP */
-		.mode = PLAYBACK_HP | PLAYBACK_MODE | GAIN_DIVISION_BIT,
+		.mode = PLAYBACK_HP | PLAYBACK_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_LEFT_OUTPUT_VOLUME,	/* 1Ch */
 		.mask = WM8994_HPOUT1L_VOL_MASK,
 		.gain = WM8994_HPOUT1_VU | 0x31		/* -8dB */
 	}, {
-		.mode = PLAYBACK_HP | PLAYBACK_MODE | GAIN_DIVISION_BIT,
+		.mode = PLAYBACK_HP | PLAYBACK_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_RIGHT_OUTPUT_VOLUME,	/* 1Dh */
 		.mask = WM8994_HPOUT1R_VOL_MASK,
 		.gain = WM8994_HPOUT1_VU | 0x31		/* -8dB */
 	}, {/* HP_NO_MIC */
-		.mode = PLAYBACK_HP_NO_MIC | PLAYBACK_MODE | GAIN_DIVISION_BIT,
+		.mode = PLAYBACK_HP_NO_MIC | PLAYBACK_MODE | GAIN_DIVISION_BIT_1,
 	        .reg  = WM8994_LEFT_OUTPUT_VOLUME,  /* 1Ch */
 		.mask = WM8994_HPOUT1L_VOL_MASK,
 		.gain = WM8994_HPOUT1_VU | 0x31	 /* -8dB */
 	}, {
-		.mode = PLAYBACK_HP_NO_MIC | PLAYBACK_MODE | GAIN_DIVISION_BIT,
+		.mode = PLAYBACK_HP_NO_MIC | PLAYBACK_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_RIGHT_OUTPUT_VOLUME, /* 1Dh */
 		.mask = WM8994_HPOUT1R_VOL_MASK,
 		.gain = WM8994_HPOUT1_VU | 0x31	 /* -8dB */
 	},	{/* Voicecall RCV */
-		.mode = VOICECALL_RCV | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_RCV | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_LEFT_LINE_INPUT_1_2_VOLUME,	/* 18h */
 		.mask = WM8994_IN1L_VOL_MASK,
 		.gain = WM8994_IN1L_VU | 0x14		/* +13.5dB */
 	}, {/* SPK */
-		.mode = VOICECALL_SPK | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_SPK | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_LEFT_LINE_INPUT_1_2_VOLUME,	/* 18h */
 		.mask = WM8994_IN1L_VOL_MASK,
 		.gain = WM8994_IN1L_VU | 0x0D		/* +3dB */
 	}, {
-		.mode = VOICECALL_SPK | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_SPK | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_SPEAKER_VOLUME_LEFT,	/* 26h */
 		.mask = WM8994_SPKOUTL_VOL_MASK,
 		.gain = WM8994_SPKOUT_VU | 0x3A		/* +1dB */
 	}, {/* HP */
-		.mode = VOICECALL_HP | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_HP | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_RIGHT_LINE_INPUT_1_2_VOLUME,	/* 1Ah */
 		.mask = WM8994_IN1R_VOL_MASK,
 		.gain = WM8994_IN1R_VU | 0x1D		/* +27dB */
 	}, {
-		.mode = VOICECALL_HP | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_HP | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_LEFT_OUTPUT_VOLUME,	/* 1Ch */
 		.mask = WM8994_HPOUT1L_VOL_MASK,
 		.gain = WM8994_HPOUT1_VU | 0x3a		/* +1dB */
 	}, {
-		.mode = VOICECALL_HP | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_HP | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_RIGHT_OUTPUT_VOLUME,	/* 1Dh */
 		.mask = WM8994_HPOUT1R_VOL_MASK,
 		.gain = WM8994_HPOUT1_VU | 0x3a		/* +1dB */
 	}, {/* HP_NO_MIC */
-		.mode = VOICECALL_HP_NO_MIC | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_HP_NO_MIC | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_LEFT_LINE_INPUT_1_2_VOLUME,	/* 18h */
 		.mask = WM8994_IN1L_VOL_MASK,
 		.gain = WM8994_IN1L_VU | 0x12	/* +10.5dB */
 	}, {
-		.mode = VOICECALL_HP_NO_MIC | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_HP_NO_MIC | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_LEFT_OUTPUT_VOLUME,	/* 1Ch */
 		.mask = WM8994_HPOUT1L_VOL_MASK,
 		.gain = WM8994_HPOUT1_VU | 0x3a		/* +1dB */
 	}, {
-		.mode = VOICECALL_HP_NO_MIC | VOICECALL_MODE | GAIN_DIVISION_BIT,
+		.mode = VOICECALL_HP_NO_MIC | VOICECALL_MODE | GAIN_DIVISION_BIT_1,
 		.reg  = WM8994_RIGHT_OUTPUT_VOLUME,	/* 1Dh */
 		.mask = WM8994_HPOUT1R_VOL_MASK,
 		.gain = WM8994_HPOUT1_VU | 0x3a		/* +1dB */
@@ -2716,7 +2716,25 @@ int wm8994_set_codec_gain(struct snd_soc_codec *codec, u16 mode, u16 device)
 
 	if (wm8994->gain_code) {
 		gain_set_bits &= ~(COMMON_SET_BIT);
-		gain_set_bits |= (mode | GAIN_DIVISION_BIT);
+
+		switch (wm8994->gain_code) {
+		case 1:
+			gain_set_bits |= (mode | GAIN_DIVISION_BIT_1);
+			break;
+		case 2:
+			gain_set_bits |= (mode | GAIN_DIVISION_BIT_2);
+			break;
+		case 3:
+			/* eur and eur tft device are same gain values currently
+			  * but gain code is different because of modem.
+			  */
+			gain_set_bits |= (mode | GAIN_DIVISION_BIT_1);
+			break;
+		default:
+			DEBUG_LOG_ERR("gain_code(%d) isn't support", wm8994->gain_code);
+			return 0;
+		}
+
 		default_gain_table_p = gain_code_table;
 		table_num = GAIN_CODE_NUM;
 
diff --git a/sound/soc/codecs/wm8994_samsung.c b/sound/soc/codecs/wm8994_samsung.c
index 84e8064..74a75dd 100755
--- a/sound/soc/codecs/wm8994_samsung.c
+++ b/sound/soc/codecs/wm8994_samsung.c
@@ -1209,6 +1209,17 @@ struct snd_soc_dai wm8994_dai = {
 	.ops = &wm8994_ops,
 };
 
+/* gain_code range : integer 0~3 */
+static int is_valid_gain_code(char *str)
+{
+	if ((*str >= 0x30) && (*str <= 0x33))
+		return 1;
+	else {
+		DEBUG_LOG_ERR("gain code is invalid (%d)", *str);
+		return 0;
+	}
+}
+
 static int __init gain_code_setup(char *str)
 {
 
@@ -1219,8 +1230,11 @@ static int __init gain_code_setup(char *str)
 		return 0;
 	}
 
-	if (!strcmp(str, "1"))
-		gain_code = 1;
+	if (is_valid_gain_code(str)) {
+		gain_code = *str - 0x30;
+		DEBUG_LOG("gain_code : %d", gain_code);
+	} else
+		DEBUG_LOG_ERR("gain code is invalid and so use default value");
 
 	return 0;
 }
diff --git a/sound/soc/codecs/wm8994_samsung.h b/sound/soc/codecs/wm8994_samsung.h
index c82753c..e28937c 100755
--- a/sound/soc/codecs/wm8994_samsung.h
+++ b/sound/soc/codecs/wm8994_samsung.h
@@ -54,7 +54,17 @@ Codec Output Path BIT
 #define RECORDING_MODE	(0x01 << 14)
 #define FMRADIO_MODE	(0x01 << 15)
 
-#define GAIN_DIVISION_BIT	(0x01 << 16)
+/*
+ * devide codec gain table
+ * GAIN_DIVISION_BIT_1 : EUR
+ * GAIN_DIVISION_BIT_2 : AT&T
+ * GAIN_DIVISION_BIT_3 : EUR_T
+ */
+
+#define GAIN_DIVISION_BIT_1	(0x01 << 16)
+#define GAIN_DIVISION_BIT_2	(0x01 << 17)
+#define GAIN_DIVISION_BIT_3	(0x01 << 18)
+
 #define COMMON_SET_BIT		(0x01 << 0)
 #define PLAYBACK_RCV		(0x01 << 1)
 #define PLAYBACK_SPK		(0x01 << 2)