diff options
| -rw-r--r-- | sound/soc/codecs/Kconfig | 9 | ||||
| -rw-r--r-- | sound/soc/codecs/Makefile | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/rl6231.c | 67 | ||||
| -rw-r--r-- | sound/soc/codecs/rl6231.h | 18 | ||||
| -rw-r--r-- | sound/soc/codecs/rt5640.c | 23 | ||||
| -rw-r--r-- | sound/soc/codecs/rt5645.c | 22 | ||||
| -rw-r--r-- | sound/soc/codecs/rt5651.c | 22 |
7 files changed, 110 insertions, 53 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index d29f19b4463..d224ef3bfb5 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 a3d12b4af1e..c50165e97eb 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 00000000000..13ac551f6c7 --- /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 00000000000..00032dba1aa --- /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 ddefd5a476d..d586228ae5b 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 ab97d722e15..caa55199eb8 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 9c88d89f41f..7a7bec6f26e 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 |