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-rw-r--r--sound/soc/codecs/Kconfig9
-rw-r--r--sound/soc/codecs/Makefile2
-rw-r--r--sound/soc/codecs/rl6231.c67
-rw-r--r--sound/soc/codecs/rl6231.h18
-rw-r--r--sound/soc/codecs/rt5640.c23
-rw-r--r--sound/soc/codecs/rt5645.c22
-rw-r--r--sound/soc/codecs/rt5651.c22
7 files changed, 110 insertions, 53 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index d29f19b44638..d224ef3bfb5e 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -392,6 +392,15 @@ config SND_SOC_PCM512x_SPI
select SND_SOC_PCM512x
select REGMAP_SPI
+config SND_SOC_RL6231
+ tristate
+ default y if SND_SOC_RT5640=y
+ default y if SND_SOC_RT5645=y
+ default y if SND_SOC_RT5651=y
+ default m if SND_SOC_RT5640=m
+ default m if SND_SOC_RT5645=m
+ default m if SND_SOC_RT5651=m
+
config SND_SOC_RT5631
tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index a3d12b4af1e7..c50165e97ebe 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -58,6 +58,7 @@ snd-soc-pcm3008-objs := pcm3008.o
snd-soc-pcm512x-objs := pcm512x.o
snd-soc-pcm512x-i2c-objs := pcm512x-i2c.o
snd-soc-pcm512x-spi-objs := pcm512x-spi.o
+snd-soc-rl6231-objs := rl6231.o
snd-soc-rt5631-objs := rt5631.o
snd-soc-rt5640-objs := rt5640.o
snd-soc-rt5645-objs := rt5645.o
@@ -211,6 +212,7 @@ obj-$(CONFIG_SND_SOC_PCM3008) += snd-soc-pcm3008.o
obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc-pcm512x.o
obj-$(CONFIG_SND_SOC_PCM512x_I2C) += snd-soc-pcm512x-i2c.o
obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o
+obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o
obj-$(CONFIG_SND_SOC_RT5631) += snd-soc-rt5631.o
obj-$(CONFIG_SND_SOC_RT5640) += snd-soc-rt5640.o
obj-$(CONFIG_SND_SOC_RT5645) += snd-soc-rt5645.o
diff --git a/sound/soc/codecs/rl6231.c b/sound/soc/codecs/rl6231.c
new file mode 100644
index 000000000000..13ac551f6c79
--- /dev/null
+++ b/sound/soc/codecs/rl6231.c
@@ -0,0 +1,67 @@
+/*
+ * rl6231.c - RL6231 class device shared support
+ *
+ * Copyright 2014 Realtek Semiconductor Corp.
+ *
+ * Author: Oder Chiou <oder_chiou@realtek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/acpi.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#include "rl6231.h"
+
+/**
+ * rl6231_calc_dmic_clk - Calculate the parameter of dmic.
+ *
+ * @rate: base clock rate.
+ *
+ * Choose dmic clock between 1MHz and 3MHz.
+ * It is better for clock to approximate 3MHz.
+ */
+int rl6231_calc_dmic_clk(int rate)
+{
+ int div[] = {2, 3, 4, 6, 8, 12}, idx = -EINVAL;
+ int i, red, bound, temp;
+
+ red = 3000000 * 12;
+ for (i = 0; i < ARRAY_SIZE(div); i++) {
+ bound = div[i] * 3000000;
+ if (rate > bound)
+ continue;
+ temp = bound - rate;
+ if (temp < red) {
+ red = temp;
+ idx = i;
+ }
+ }
+
+ return idx;
+}
+EXPORT_SYMBOL_GPL(rl6231_calc_dmic_clk);
+
+MODULE_DESCRIPTION("RL6231 class device shared support");
+MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/rl6231.h b/sound/soc/codecs/rl6231.h
new file mode 100644
index 000000000000..00032dba1aa9
--- /dev/null
+++ b/sound/soc/codecs/rl6231.h
@@ -0,0 +1,18 @@
+/*
+ * rl6231.h - RL6231 class device shared support
+ *
+ * Copyright 2014 Realtek Semiconductor Corp.
+ *
+ * Author: Oder Chiou <oder_chiou@realtek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __RL6231_H__
+#define __RL6231_H__
+
+int rl6231_calc_dmic_clk(int rate);
+
+#endif /* __RL6231_H__ */
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index ddefd5a476d0..d586228ae5b9 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -30,6 +30,7 @@
#include <sound/initval.h>
#include <sound/tlv.h>
+#include "rl6231.h"
#include "rt5640.h"
#define RT5640_DEVICE_ID 0x6231
@@ -452,30 +453,16 @@ static const struct snd_kcontrol_new rt5640_specific_snd_controls[] = {
* @kcontrol: The kcontrol of this widget.
* @event: Event id.
*
- * Choose dmic clock between 1MHz and 3MHz.
- * It is better for clock to approximate 3MHz.
*/
static int set_dmic_clk(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
- int div[] = {2, 3, 4, 6, 8, 12};
- int idx = -EINVAL, i;
- int rate, red, bound, temp;
-
- rate = rt5640->sysclk;
- red = 3000000 * 12;
- for (i = 0; i < ARRAY_SIZE(div); i++) {
- bound = div[i] * 3000000;
- if (rate > bound)
- continue;
- temp = bound - rate;
- if (temp < red) {
- red = temp;
- idx = i;
- }
- }
+ int idx = -EINVAL;
+
+ idx = rl6231_calc_dmic_clk(rt5640->sysclk);
+
if (idx < 0)
dev_err(codec->dev, "Failed to set DMIC clock\n");
else
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index ab97d722e15d..caa55199eb87 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -26,6 +26,7 @@
#include <sound/initval.h>
#include <sound/tlv.h>
+#include "rl6231.h"
#include "rt5645.h"
#define RT5645_DEVICE_ID 0x6308
@@ -519,30 +520,15 @@ static const struct snd_kcontrol_new rt5645_snd_controls[] = {
* @kcontrol: The kcontrol of this widget.
* @event: Event id.
*
- * Choose dmic clock between 1MHz and 3MHz.
- * It is better for clock to approximate 3MHz.
*/
static int set_dmic_clk(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct rt5645_priv *rt5645 = snd_soc_codec_get_drvdata(codec);
- int div[] = {2, 3, 4, 6, 8, 12};
- int idx = -EINVAL, i;
- int rate, red, bound, temp;
-
- rate = rt5645->sysclk;
- red = 3000000 * 12;
- for (i = 0; i < ARRAY_SIZE(div); i++) {
- bound = div[i] * 3000000;
- if (rate > bound)
- continue;
- temp = bound - rate;
- if (temp < red) {
- red = temp;
- idx = i;
- }
- }
+ int idx = -EINVAL;
+
+ idx = rl6231_calc_dmic_clk(rt5645->sysclk);
if (idx < 0)
dev_err(codec->dev, "Failed to set DMIC clock\n");
diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
index 9c88d89f41f0..7a7bec6f26e6 100644
--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -26,6 +26,7 @@
#include <sound/initval.h>
#include <sound/tlv.h>
+#include "rl6231.h"
#include "rt5651.h"
#define RT5651_DEVICE_ID_VALUE 0x6281
@@ -371,29 +372,16 @@ static const struct snd_kcontrol_new rt5651_snd_controls[] = {
* @kcontrol: The kcontrol of this widget.
* @event: Event id.
*
- * Choose dmic clock between 1MHz and 3MHz.
- * It is better for clock to approximate 3MHz.
*/
static int set_dmic_clk(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct rt5651_priv *rt5651 = snd_soc_codec_get_drvdata(codec);
- int div[] = {2, 3, 4, 6, 8, 12}, idx = -EINVAL;
- int i, rate, red, bound, temp;
-
- rate = rt5651->sysclk;
- red = 3000000 * 12;
- for (i = 0; i < ARRAY_SIZE(div); i++) {
- bound = div[i] * 3000000;
- if (rate > bound)
- continue;
- temp = bound - rate;
- if (temp < red) {
- red = temp;
- idx = i;
- }
- }
+ int idx = -EINVAL;
+
+ idx = rl6231_calc_dmic_clk(rt5651->sysclk);
+
if (idx < 0)
dev_err(codec->dev, "Failed to set DMIC clock\n");
else
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 19:45:49 +0000