From: Xing Wang <xing.wang@amlogic.com>
Date: Tue, 6 Mar 2018 02:31:05 +0000 (+0800)
Subject: audio: auge: pdm supports 96k sample rate
X-Git-Tag: khadas-vims-v0.9.6-release~2370
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8dea55e8323f46ff3fac32a786f03b23a7952ba1;p=platform%2Fkernel%2Flinux-amlogic.git

audio: auge: pdm supports 96k sample rate

PD#156734: audio: auge: pdm supports 96k sample rate

1) pdm supports 96k sample rate
2) set HCIC gain additional shift as default 0

Change-Id: I056f87cd43bb5c07d04b2baff461bb38c7443f6d
Signed-off-by: Xing Wang <xing.wang@amlogic.com>
---

diff --git a/sound/soc/amlogic/auge/pdm.c b/sound/soc/amlogic/auge/pdm.c
index e784e6b..b85047f 100644
--- a/sound/soc/amlogic/auge/pdm.c
+++ b/sound/soc/amlogic/auge/pdm.c
@@ -51,7 +51,7 @@ static struct snd_pcm_hardware aml_pdm_hardware = {
 					SNDRV_PCM_FMTBIT_S32,
 
 	.rate_min			=	8000,
-	.rate_max			=	64000,
+	.rate_max			=	96000,
 
 	.channels_min		=	PDM_CHANNELS_MIN,
 	.channels_max		=	PDM_CHANNELS_MAX,
@@ -107,7 +107,7 @@ static int aml_pdm_filter_mode_set_enum(
 	return 0;
 }
 
-int pdm_hcic_shift_gain = 1;
+int pdm_hcic_shift_gain;
 
 static const char *const pdm_hcic_shift_gain_texts[] = {
 	"keep with coeff",
@@ -139,7 +139,7 @@ static int pdm_hcic_shift_gain_set_enum(
 int pdm_dclk;
 
 static const char *const pdm_dclk_texts[] = {
-	"PDM Dclk 3.072m, support 8k/16k/32k/48k/64k",
+	"PDM Dclk 3.072m, support 8k/16k/32k/48k/64k/96k",
 	"PDM Dclk 1.024m, support 8k/16k",
 	"PDM Dclk   768k, support 8k/16k",
 };
@@ -652,7 +652,9 @@ static int aml_pdm_dai_prepare(
 				return -EINVAL;
 			}
 		} else {
-			if (runtime->rate == 64000)
+			if (runtime->rate == 96000)
+				osr = 32;
+			else if (runtime->rate == 64000)
 				osr = 48;
 			else if (runtime->rate == 48000)
 				osr = 64;
diff --git a/sound/soc/amlogic/auge/pdm.h b/sound/soc/amlogic/auge/pdm.h
index 115efa6..72ff145 100644
--- a/sound/soc/amlogic/auge/pdm.h
+++ b/sound/soc/amlogic/auge/pdm.h
@@ -29,15 +29,16 @@
 #define PDM_CHANNELS_MIN		1
 #define PDM_CHANNELS_MAX		(8 + 8) /* 8ch pdm in, 8 ch tdmin_lb */
 
-#define PDM_RATES			(SNDRV_PCM_RATE_64000 |\
-						SNDRV_PCM_RATE_48000 |\
-						SNDRV_PCM_RATE_32000 |\
-						SNDRV_PCM_RATE_16000 |\
-						SNDRV_PCM_RATE_8000)
+#define PDM_RATES			(SNDRV_PCM_RATE_96000 |\
+					SNDRV_PCM_RATE_64000 |\
+					SNDRV_PCM_RATE_48000 |\
+					SNDRV_PCM_RATE_32000 |\
+					SNDRV_PCM_RATE_16000 |\
+					SNDRV_PCM_RATE_8000)
 
 #define PDM_FORMATS			(SNDRV_PCM_FMTBIT_S16_LE |\
-						SNDRV_PCM_FMTBIT_S24_LE |\
-						SNDRV_PCM_FMTBIT_S32_LE)
+					SNDRV_PCM_FMTBIT_S24_LE |\
+					SNDRV_PCM_FMTBIT_S32_LE)
 
 enum {
 	PDM_RUN_MUTE_VAL = 0,
diff --git a/sound/soc/codecs/amlogic/pdm_dummy.c b/sound/soc/codecs/amlogic/pdm_dummy.c
index 79fca33..f986aae 100644
--- a/sound/soc/codecs/amlogic/pdm_dummy.c
+++ b/sound/soc/codecs/amlogic/pdm_dummy.c
@@ -20,15 +20,16 @@
 #include <linux/of.h>
 #include <sound/soc.h>
 
-#define DUMMY_RATES			(SNDRV_PCM_RATE_64000 |\
-						SNDRV_PCM_RATE_48000 |\
-						SNDRV_PCM_RATE_32000 |\
-						SNDRV_PCM_RATE_16000 |\
-						SNDRV_PCM_RATE_8000)
+#define DUMMY_RATES		(SNDRV_PCM_RATE_96000 |\
+					SNDRV_PCM_RATE_64000 |\
+					SNDRV_PCM_RATE_48000 |\
+					SNDRV_PCM_RATE_32000 |\
+					SNDRV_PCM_RATE_16000 |\
+					SNDRV_PCM_RATE_8000)
 
 #define DUMMY_FORMATS		(SNDRV_PCM_FMTBIT_S16_LE |\
-						SNDRV_PCM_FMTBIT_S24_LE |\
-						SNDRV_PCM_FMTBIT_S32_LE)
+					SNDRV_PCM_FMTBIT_S24_LE |\
+					SNDRV_PCM_FMTBIT_S32_LE)
 
 static int pdm_dummy_set_fmt(
 	struct snd_soc_dai *codec_dai,