@@ -29,9 +29,9 @@
#include "wm8971.h"
-#define WM8971_REG_COUNT 43
+#define WM8971_REG_COUNT 43
-static struct workqueue_struct *wm8971_workq = NULL;
+static struct workqueue_struct *wm8971_workq;
/* codec private data */
struct wm8971_priv {
@@ -92,25 +92,28 @@ static const struct reg_default wm8971_reg_defaults[] = {
#define wm8971_reset(c) snd_soc_write(c, WM8971_RESET, 0)
/* WM8971 Controls */
-static const char *wm8971_bass[] = { "Linear Control", "Adaptive Boost" };
-static const char *wm8971_bass_filter[] = { "130Hz @ 48kHz",
- "200Hz @ 48kHz" };
-static const char *wm8971_treble[] = { "8kHz", "4kHz" };
-static const char *wm8971_alc_func[] = { "Off", "Right", "Left", "Stereo" };
-static const char *wm8971_ng_type[] = { "Constant PGA Gain",
- "Mute ADC Output" };
-static const char *wm8971_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
-static const char *wm8971_mono_mux[] = {"Stereo", "Mono (Left)",
- "Mono (Right)", "Digital Mono"};
-static const char *wm8971_dac_phase[] = { "Non Inverted", "Inverted" };
-static const char *wm8971_lline_mux[] = {"Line", "NC", "NC", "PGA",
- "Differential"};
-static const char *wm8971_rline_mux[] = {"Line", "Mic", "NC", "PGA",
- "Differential"};
-static const char *wm8971_lpga_sel[] = {"Line", "NC", "NC", "Differential"};
-static const char *wm8971_rpga_sel[] = {"Line", "Mic", "NC", "Differential"};
-static const char *wm8971_adcpol[] = {"Normal", "L Invert", "R Invert",
- "L + R Invert"};
+static const char const *wm8971_bass[] = {"Linear Control", "Adaptive Boost"};
+static const char const *wm8971_bass_filter[] = {"130Hz @ 48kHz",
+ "200Hz @ 48kHz"};
+static const char const *wm8971_treble[] = {"8kHz", "4kHz"};
+static const char const *wm8971_alc_func[] = {"Off", "Right",
+ "Left", "Stereo"};
+static const char const *wm8971_ng_type[] = {"Constant PGA Gain",
+ "Mute ADC Output"};
+static const char const *wm8971_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"};
+static const char const *wm8971_mono_mux[] = {"Stereo", "Mono (Left)",
+ "Mono (Right)", "Digital Mono"};
+static const char const *wm8971_dac_phase[] = {"Non Inverted", "Inverted"};
+static const char const *wm8971_lline_mux[] = {"Line", "NC", "NC",
+ "PGA", "Differential"};
+static const char const *wm8971_rline_mux[] = {"Line", "Mic", "NC",
+ "PGA", "Differential"};
+static const char const *wm8971_lpga_sel[] = {"Line", "NC", "NC",
+ "Differential"};
+static const char const *wm8971_rpga_sel[] = {"Line", "Mic", "NC",
+ "Differential"};
+static const char const *wm8971_adcpol[] = {"Normal", "L Invert",
+ "R Invert", "L + R Invert"};
static const struct soc_enum wm8971_enum[] = {
SOC_ENUM_SINGLE(WM8971_BASS, 7, 2, wm8971_bass), /* 0 */
@@ -136,24 +139,24 @@ static const struct snd_kcontrol_new wm8971_snd_controls[] = {
SOC_DOUBLE_R("Capture Switch", WM8971_LINVOL, WM8971_RINVOL, 7, 1, 1),
SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8971_LOUT1V,
- WM8971_ROUT1V, 7, 1, 0),
+ WM8971_ROUT1V, 7, 1, 0),
SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8971_LOUT2V,
- WM8971_ROUT2V, 7, 1, 0),
+ WM8971_ROUT2V, 7, 1, 0),
SOC_SINGLE("Mono Playback ZC Switch", WM8971_MOUTV, 7, 1, 0),
SOC_DOUBLE_R("PCM Volume", WM8971_LDAC, WM8971_RDAC, 0, 255, 0),
SOC_DOUBLE_R("Bypass Left Playback Volume", WM8971_LOUTM1,
- WM8971_LOUTM2, 4, 7, 1),
+ WM8971_LOUTM2, 4, 7, 1),
SOC_DOUBLE_R("Bypass Right Playback Volume", WM8971_ROUTM1,
- WM8971_ROUTM2, 4, 7, 1),
+ WM8971_ROUTM2, 4, 7, 1),
SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8971_MOUTM1,
- WM8971_MOUTM2, 4, 7, 1),
+ WM8971_MOUTM2, 4, 7, 1),
SOC_DOUBLE_R("Headphone Playback Volume", WM8971_LOUT1V,
- WM8971_ROUT1V, 0, 127, 0),
+ WM8971_ROUT1V, 0, 127, 0),
SOC_DOUBLE_R("Speaker Playback Volume", WM8971_LOUT2V,
- WM8971_ROUT2V, 0, 127, 0),
+ WM8971_ROUT2V, 0, 127, 0),
SOC_ENUM("Bass Boost", wm8971_enum[0]),
SOC_ENUM("Bass Filter", wm8971_enum[1]),
@@ -238,14 +241,14 @@ SOC_DAPM_ENUM("Route", wm8971_enum[13]);
static const struct snd_soc_dapm_widget wm8971_dapm_widgets[] = {
SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
- &wm8971_left_mixer_controls[0],
- ARRAY_SIZE(wm8971_left_mixer_controls)),
+ &wm8971_left_mixer_controls[0],
+ ARRAY_SIZE(wm8971_left_mixer_controls)),
SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
- &wm8971_right_mixer_controls[0],
- ARRAY_SIZE(wm8971_right_mixer_controls)),
+ &wm8971_right_mixer_controls[0],
+ ARRAY_SIZE(wm8971_right_mixer_controls)),
SND_SOC_DAPM_MIXER("Mono Mixer", WM8971_PWR2, 2, 0,
- &wm8971_mono_mixer_controls[0],
- ARRAY_SIZE(wm8971_mono_mixer_controls)),
+ &wm8971_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8971_mono_mixer_controls)),
SND_SOC_DAPM_PGA("Right Out 2", WM8971_PWR2, 3, 0, NULL, 0),
SND_SOC_DAPM_PGA("Left Out 2", WM8971_PWR2, 4, 0, NULL, 0),
@@ -260,18 +263,18 @@ static const struct snd_soc_dapm_widget wm8971_dapm_widgets[] = {
SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8971_PWR1, 3, 0),
SND_SOC_DAPM_MUX("Left PGA Mux", WM8971_PWR1, 5, 0,
- &wm8971_left_pga_controls),
+ &wm8971_left_pga_controls),
SND_SOC_DAPM_MUX("Right PGA Mux", WM8971_PWR1, 4, 0,
- &wm8971_right_pga_controls),
+ &wm8971_right_pga_controls),
SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
- &wm8971_left_line_controls),
+ &wm8971_left_line_controls),
SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
- &wm8971_right_line_controls),
+ &wm8971_right_line_controls),
SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
- &wm8971_monomux_controls),
+ &wm8971_monomux_controls),
SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
- &wm8971_monomux_controls),
+ &wm8971_monomux_controls),
SND_SOC_DAPM_OUTPUT("LOUT1"),
SND_SOC_DAPM_OUTPUT("ROUT1"),
@@ -431,7 +434,7 @@ static int get_coeff(int mclk, int rate)
}
static int wm8971_set_dai_sysclk(struct snd_soc_dai *codec_dai,
- int clk_id, unsigned int freq, int dir)
+ int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec);
@@ -449,7 +452,7 @@ static int wm8971_set_dai_sysclk(struct snd_soc_dai *codec_dai,
}
static int wm8971_set_dai_fmt(struct snd_soc_dai *codec_dai,
- unsigned int fmt)
+ unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 iface = 0;
@@ -507,8 +510,8 @@ static int wm8971_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
static int wm8971_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec);
@@ -553,7 +556,7 @@ static int wm8971_mute(struct snd_soc_dai *dai, int mute)
}
static int wm8971_set_bias_level(struct snd_soc_codec *codec,
- enum snd_soc_bias_level level)
+ enum snd_soc_bias_level level)
{
u16 pwr_reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
@@ -580,11 +583,12 @@ static int wm8971_set_bias_level(struct snd_soc_codec *codec,
}
#define WM8971_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
- SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
- SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
+ SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
+ SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
#define WM8971_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
- SNDRV_PCM_FMTBIT_S24_LE)
+ SNDRV_PCM_FMTBIT_S24_LE)
static const struct snd_soc_dai_ops wm8971_dai_ops = {
.hw_params = wm8971_pcm_hw_params,
@@ -616,6 +620,7 @@ static void wm8971_work(struct work_struct *work)
container_of(work, struct snd_soc_dapm_context,
delayed_work.work);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
+
wm8971_set_bias_level(codec, codec->dapm.bias_level);
}
@@ -637,7 +642,7 @@ static int wm8971_resume(struct snd_soc_codec *codec)
snd_soc_write(codec, WM8971_PWR1, reg | 0x01c0);
codec->dapm.bias_level = SND_SOC_BIAS_ON;
queue_delayed_work(wm8971_workq, &codec->dapm.delayed_work,
- msecs_to_jiffies(1000));
+ msecs_to_jiffies(1000));
}
return 0;
@@ -660,7 +665,7 @@ static int wm8971_probe(struct snd_soc_codec *codec)
snd_soc_write(codec, WM8971_PWR1, reg | 0x01c0);
codec->dapm.bias_level = SND_SOC_BIAS_STANDBY;
queue_delayed_work(wm8971_workq, &codec->dapm.delayed_work,
- msecs_to_jiffies(1000));
+ msecs_to_jiffies(1000));
/* set the update bits */
snd_soc_update_bits(codec, WM8971_LDAC, 0x0100, 0x0100);
@@ -675,7 +680,6 @@ static int wm8971_probe(struct snd_soc_codec *codec)
return ret;
}
-
/* power down chip */
static int wm8971_remove(struct snd_soc_codec *codec)
{
@@ -729,8 +733,8 @@ static int wm8971_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, wm8971);
- ret = snd_soc_register_codec(&i2c->dev,
- &soc_codec_dev_wm8971, &wm8971_dai, 1);
+ ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8971,
+ &wm8971_dai, 1);
return ret;
}
@@ -22,25 +22,25 @@
#define WM8971_ADCDAC 0x05
#define WM8971_IFACE 0x07
#define WM8971_SRATE 0x08
-#define WM8971_LDAC 0x0a
-#define WM8971_RDAC 0x0b
-#define WM8971_BASS 0x0c
+#define WM8971_LDAC 0x0a
+#define WM8971_RDAC 0x0b
+#define WM8971_BASS 0x0c
#define WM8971_TREBLE 0x0d
#define WM8971_RESET 0x0f
-#define WM8971_ALC1 0x11
-#define WM8971_ALC2 0x12
-#define WM8971_ALC3 0x13
+#define WM8971_ALC1 0x11
+#define WM8971_ALC2 0x12
+#define WM8971_ALC3 0x13
#define WM8971_NGATE 0x14
-#define WM8971_LADC 0x15
-#define WM8971_RADC 0x16
-#define WM8971_ADCTL1 0x17
-#define WM8971_ADCTL2 0x18
-#define WM8971_PWR1 0x19
-#define WM8971_PWR2 0x1a
-#define WM8971_ADCTL3 0x1b
+#define WM8971_LADC 0x15
+#define WM8971_RADC 0x16
+#define WM8971_ADCTL1 0x17
+#define WM8971_ADCTL2 0x18
+#define WM8971_PWR1 0x19
+#define WM8971_PWR2 0x1a
+#define WM8971_ADCTL3 0x1b
#define WM8971_ADCIN 0x1f
-#define WM8971_LADCIN 0x20
-#define WM8971_RADCIN 0x21
+#define WM8971_LADCIN 0x20
+#define WM8971_RADCIN 0x21
#define WM8971_LOUTM1 0x22
#define WM8971_LOUTM2 0x23
#define WM8971_ROUTM1 0x24