diff options
Diffstat (limited to 'sound/soc/s3c24xx/neo1973_wm8753.c')
| -rw-r--r-- | sound/soc/s3c24xx/neo1973_wm8753.c | 58 |
1 files changed, 45 insertions, 13 deletions
diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c index 962cc20b1af5..0e9d1c5f2484 100644 --- a/sound/soc/s3c24xx/neo1973_wm8753.c +++ b/sound/soc/s3c24xx/neo1973_wm8753.c @@ -33,7 +33,7 @@ #include <asm/arch/regs-gpio.h> #include <asm/hardware.h> #include <asm/arch/audio.h> -#include <asm/io.h> +#include <linux/io.h> #include <asm/arch/spi-gpio.h> #include <asm/plat-s3c24xx/regs-iis.h> @@ -122,7 +122,7 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, /* set MCLK division for sample rate */ ret = cpu_dai->dai_ops.set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK, - S3C2410_IISMOD_32FS ); + S3C2410_IISMOD_32FS); if (ret < 0) return ret; @@ -133,7 +133,7 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, /* set prescaler division for sample rate */ ret = cpu_dai->dai_ops.set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER, - S3C24XX_PRESCALE(4,4)); + S3C24XX_PRESCALE(4, 4)); if (ret < 0) return ret; @@ -222,7 +222,7 @@ static struct snd_soc_ops neo1973_voice_ops = { .hw_free = neo1973_voice_hw_free, }; -static int neo1973_scenario = 0; +static int neo1973_scenario; static int neo1973_get_scenario(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) @@ -233,7 +233,7 @@ static int neo1973_get_scenario(struct snd_kcontrol *kcontrol, static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario) { - switch(neo1973_scenario) { + switch (neo1973_scenario) { case NEO_AUDIO_OFF: snd_soc_dapm_set_endpoint(codec, "Audio Out", 0); snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0); @@ -334,7 +334,7 @@ static void lm4857_write_regs(void) static int lm4857_get_reg(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - int reg=kcontrol->private_value & 0xFF; + int reg = kcontrol->private_value & 0xFF; int shift = (kcontrol->private_value >> 8) & 0x0F; int mask = (kcontrol->private_value >> 16) & 0xFF; @@ -349,11 +349,11 @@ static int lm4857_set_reg(struct snd_kcontrol *kcontrol, int shift = (kcontrol->private_value >> 8) & 0x0F; int mask = (kcontrol->private_value >> 16) & 0xFF; - if (((lm4857_regs[reg] >> shift ) & mask) == + if (((lm4857_regs[reg] >> shift) & mask) == ucontrol->value.integer.value[0]) return 0; - lm4857_regs[reg] &= ~ (mask << shift); + lm4857_regs[reg] &= ~(mask << shift); lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift; lm4857_write_regs(); return 1; @@ -398,7 +398,7 @@ static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { /* example machine audio_mapnections */ -static const char* audio_map[][3] = { +static const char *audio_map[][3] = { /* Connections to the lm4857 amp */ {"Audio Out", NULL, "LOUT1"}, @@ -450,7 +450,7 @@ static const char *neo_scenarios[] = { }; static const struct soc_enum neo_scenario_enum[] = { - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios),neo_scenarios), + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios), }; static const struct snd_kcontrol_new wm8753_neo1973_controls[] = { @@ -521,8 +521,8 @@ static int neo1973_wm8753_init(struct snd_soc_codec *codec) /* * BT Codec DAI */ -static struct snd_soc_cpu_dai bt_dai = -{ .name = "Bluetooth", +static struct snd_soc_cpu_dai bt_dai = { + .name = "Bluetooth", .id = 0, .type = SND_SOC_DAI_PCM, .playback = { @@ -616,6 +616,35 @@ static int lm4857_i2c_attach(struct i2c_adapter *adap) return i2c_probe(adap, &addr_data, lm4857_amp_probe); } +static u8 lm4857_state; + +static int lm4857_suspend(struct i2c_client *dev, pm_message_t state) +{ + dev_dbg(&dev->dev, "lm4857_suspend\n"); + lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf; + if (lm4857_state) { + lm4857_regs[LM4857_CTRL] &= 0xf0; + lm4857_write_regs(); + } + return 0; +} + +static int lm4857_resume(struct i2c_client *dev) +{ + if (lm4857_state) { + lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f); + lm4857_write_regs(); + } + return 0; +} + +static void lm4857_shutdown(struct i2c_client *dev) +{ + dev_dbg(&dev->dev, "lm4857_shutdown\n"); + lm4857_regs[LM4857_CTRL] &= 0xf0; + lm4857_write_regs(); +} + /* corgi i2c codec control layer */ static struct i2c_driver lm4857_i2c_driver = { .driver = { @@ -623,6 +652,9 @@ static struct i2c_driver lm4857_i2c_driver = { .owner = THIS_MODULE, }, .id = I2C_DRIVERID_LM4857, + .suspend = lm4857_suspend, + .resume = lm4857_resume, + .shutdown = lm4857_shutdown, .attach_adapter = lm4857_i2c_attach, .detach_client = lm4857_i2c_detach, .command = NULL, @@ -667,6 +699,6 @@ module_init(neo1973_init); module_exit(neo1973_exit); /* Module information */ -MODULE_AUTHOR("Graeme Gregory, graeme.gregory@wolfsonmicro.com, www.wolfsonmicro.com"); +MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org"); MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973"); MODULE_LICENSE("GPL"); |