aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/s3c24xx/neo1973_wm8753.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/s3c24xx/neo1973_wm8753.c')
-rw-r--r--sound/soc/s3c24xx/neo1973_wm8753.c58
1 files changed, 45 insertions, 13 deletions
diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c
index 962cc20b1af..0e9d1c5f248 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");