#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 <sound/tlv320dac33-plat.h>
#include "tlv320dac33.h"
-#define DAC33_BUFFER_SIZE_BYTES 24576 /* bytes, 12288 16 bit words,
- * 6144 stereo */
-#define DAC33_BUFFER_SIZE_SAMPLES 6144
-
-#define NSAMPLE_MAX 5700
-
-#define MODE7_LTHR 10
-#define MODE7_UTHR (DAC33_BUFFER_SIZE_SAMPLES - 10)
+/*
+ * The internal FIFO is 24576 bytes long
+ * It can be configured to hold 16bit or 24bit samples
+ * In 16bit configuration the FIFO can hold 6144 stereo samples
+ * In 24bit configuration the FIFO can hold 4096 stereo samples
+ */
+#define DAC33_FIFO_SIZE_16BIT 6144
+#define DAC33_FIFO_SIZE_24BIT 4096
+#define DAC33_MODE7_MARGIN 10 /* Safety margin for FIFO in Mode7 */
#define BURST_BASEFREQ_HZ 49152000
unsigned int refclk;
unsigned int alarm_threshold; /* set to be half of LATENCY_TIME_MS */
- unsigned int nsample_min; /* nsample should not be lower than
- * this */
- unsigned int nsample_max; /* nsample should not be higher than
- * this */
enum dac33_fifo_modes fifo_mode;/* FIFO mode selection */
+ unsigned int fifo_size; /* Size of the FIFO in samples */
unsigned int nsample; /* burst read amount from host */
int mode1_latency; /* latency caused by the i2c writes in
* us */
- int auto_fifo_config; /* Configure the FIFO based on the
- * period size */
u8 burst_bclkdiv; /* BCLK divider value in burst mode */
unsigned int burst_rate; /* Interface speed in Burst modes */
if (unlikely(!dac33->chip_power))
return;
- /* 44-46: DAC Control Registers */
/* A : DAC sample rate Fsref/1.5 */
dac33_write(codec, DAC33_DAC_CTRL_A, DAC33_DACRATE(0));
/* B : DAC src=normal, not muted */
clock source = internal osc (?) */
dac33_write(codec, DAC33_ANA_VOL_SOFT_STEP_CTRL, DAC33_VOLCLKEN);
- dac33_write(codec, DAC33_PWR_CTRL, DAC33_PDNALLB);
-
/* Restore only selected registers (gains mostly) */
dac33_write(codec, DAC33_LDAC_DIG_VOL_CTRL,
dac33_read_reg_cache(codec, DAC33_LDAC_DIG_VOL_CTRL));
dac33_read_reg_cache(codec, DAC33_LINEL_TO_LLO_VOL));
dac33_write(codec, DAC33_LINER_TO_RLO_VOL,
dac33_read_reg_cache(codec, DAC33_LINER_TO_RLO_VOL));
+
+ dac33_write(codec, DAC33_OUT_AMP_CTRL,
+ dac33_read_reg_cache(codec, DAC33_OUT_AMP_CTRL));
+
}
static inline int dac33_read_id(struct snd_soc_codec *codec)
dac33_write(codec, DAC33_PWR_CTRL, reg);
}
+static inline void dac33_disable_digital(struct snd_soc_codec *codec)
+{
+ u8 reg;
+
+ /* Stop the DAI clock */
+ reg = dac33_read_reg_cache(codec, DAC33_SER_AUDIOIF_CTRL_B);
+ reg &= ~DAC33_BCLKON;
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_B, reg);
+
+ /* Power down the Oscillator, and DACs */
+ reg = dac33_read_reg_cache(codec, DAC33_PWR_CTRL);
+ reg &= ~(DAC33_OSCPDNB | DAC33_DACRPDNB | DAC33_DACLPDNB);
+ dac33_write(codec, DAC33_PWR_CTRL, reg);
+}
+
static int dac33_hard_power(struct snd_soc_codec *codec, int power)
{
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
return ret;
}
-static int playback_event(struct snd_soc_dapm_widget *w,
+static int dac33_playback_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(w->codec);
dac33_prepare_chip(dac33->substream);
}
break;
+ case SND_SOC_DAPM_POST_PMD:
+ dac33_disable_digital(w->codec);
+ break;
}
return 0;
}
-static int dac33_get_nsample(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
-
- ucontrol->value.integer.value[0] = dac33->nsample;
-
- return 0;
-}
-
-static int dac33_set_nsample(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;
-
- if (dac33->nsample == ucontrol->value.integer.value[0])
- return 0;
-
- if (ucontrol->value.integer.value[0] < dac33->nsample_min ||
- ucontrol->value.integer.value[0] > dac33->nsample_max) {
- ret = -EINVAL;
- } else {
- dac33->nsample = ucontrol->value.integer.value[0];
- /* Re calculate the burst time */
- dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate,
- dac33->nsample);
- }
-
- return ret;
-}
-
-static int dac33_get_uthr(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
-
- ucontrol->value.integer.value[0] = dac33->uthr;
-
- return 0;
-}
-
-static int dac33_set_uthr(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;
-
- if (dac33->substream)
- return -EBUSY;
-
- if (dac33->uthr == ucontrol->value.integer.value[0])
- return 0;
-
- if (ucontrol->value.integer.value[0] < (MODE7_LTHR + 10) ||
- ucontrol->value.integer.value[0] > MODE7_UTHR)
- ret = -EINVAL;
- else
- dac33->uthr = ucontrol->value.integer.value[0];
-
- return ret;
-}
-
static int dac33_get_fifo_mode(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
dac33_get_fifo_mode, dac33_set_fifo_mode),
};
-static const struct snd_kcontrol_new dac33_fifo_snd_controls[] = {
- SOC_SINGLE_EXT("nSample", 0, 0, 5900, 0,
- dac33_get_nsample, dac33_set_nsample),
- SOC_SINGLE_EXT("UTHR", 0, 0, MODE7_UTHR, 0,
- dac33_get_uthr, dac33_set_uthr),
-};
-
/* Analog bypass */
static const struct snd_kcontrol_new dac33_dapm_abypassl_control =
SOC_DAPM_SINGLE("Switch", DAC33_LINEL_TO_LLO_VOL, 7, 1, 1);
static const struct snd_kcontrol_new dac33_dapm_abypassr_control =
SOC_DAPM_SINGLE("Switch", DAC33_LINER_TO_RLO_VOL, 7, 1, 1);
+/* LOP L/R invert selection */
+static const char *dac33_lr_lom_texts[] = {"DAC", "LOP"};
+
+static const struct soc_enum dac33_left_lom_enum =
+ SOC_ENUM_SINGLE(DAC33_OUT_AMP_CTRL, 3,
+ ARRAY_SIZE(dac33_lr_lom_texts),
+ dac33_lr_lom_texts);
+
+static const struct snd_kcontrol_new dac33_dapm_left_lom_control =
+SOC_DAPM_ENUM("Route", dac33_left_lom_enum);
+
+static const struct soc_enum dac33_right_lom_enum =
+ SOC_ENUM_SINGLE(DAC33_OUT_AMP_CTRL, 2,
+ ARRAY_SIZE(dac33_lr_lom_texts),
+ dac33_lr_lom_texts);
+
+static const struct snd_kcontrol_new dac33_dapm_right_lom_control =
+SOC_DAPM_ENUM("Route", dac33_right_lom_enum);
+
static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("LEFT_LO"),
SND_SOC_DAPM_OUTPUT("RIGHT_LO"),
SND_SOC_DAPM_INPUT("LINEL"),
SND_SOC_DAPM_INPUT("LINER"),
- SND_SOC_DAPM_DAC("DACL", "Left Playback", DAC33_LDAC_PWR_CTRL, 2, 0),
- SND_SOC_DAPM_DAC("DACR", "Right Playback", DAC33_RDAC_PWR_CTRL, 2, 0),
+ SND_SOC_DAPM_DAC("DACL", "Left Playback", SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DACR", "Right Playback", SND_SOC_NOPM, 0, 0),
/* Analog bypass */
SND_SOC_DAPM_SWITCH("Analog Left Bypass", SND_SOC_NOPM, 0, 0,
SND_SOC_DAPM_SWITCH("Analog Right Bypass", SND_SOC_NOPM, 0, 0,
&dac33_dapm_abypassr_control),
- SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Left Amp Power",
+ SND_SOC_DAPM_MUX("Left LOM Inverted From", SND_SOC_NOPM, 0, 0,
+ &dac33_dapm_left_lom_control),
+ SND_SOC_DAPM_MUX("Right LOM Inverted From", SND_SOC_NOPM, 0, 0,
+ &dac33_dapm_right_lom_control),
+ /*
+ * For DAPM path, when only the anlog bypass path is enabled, and the
+ * LOP inverted from the corresponding DAC side.
+ * This is needed, so we can attach the DAC power supply in this case.
+ */
+ SND_SOC_DAPM_PGA("Left Bypass PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right Bypass PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Left Amplifier",
DAC33_OUT_AMP_PWR_CTRL, 6, 3, 3, 0),
- SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Right Amp Power",
+ SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Right Amplifier",
DAC33_OUT_AMP_PWR_CTRL, 4, 3, 3, 0),
- SND_SOC_DAPM_PRE("Prepare Playback", playback_event),
+ SND_SOC_DAPM_SUPPLY("Left DAC Power",
+ DAC33_LDAC_PWR_CTRL, 2, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Right DAC Power",
+ DAC33_RDAC_PWR_CTRL, 2, 0, NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY("Codec Power",
+ DAC33_PWR_CTRL, 4, 0, NULL, 0),
+
+ SND_SOC_DAPM_PRE("Pre Playback", dac33_playback_event),
+ SND_SOC_DAPM_POST("Post Playback", dac33_playback_event),
};
static const struct snd_soc_dapm_route audio_map[] = {
{"Analog Left Bypass", "Switch", "LINEL"},
{"Analog Right Bypass", "Switch", "LINER"},
- {"Output Left Amp Power", NULL, "DACL"},
- {"Output Right Amp Power", NULL, "DACR"},
+ {"Output Left Amplifier", NULL, "DACL"},
+ {"Output Right Amplifier", NULL, "DACR"},
- {"Output Left Amp Power", NULL, "Analog Left Bypass"},
- {"Output Right Amp Power", NULL, "Analog Right Bypass"},
+ {"Left Bypass PGA", NULL, "Analog Left Bypass"},
+ {"Right Bypass PGA", NULL, "Analog Right Bypass"},
+
+ {"Left LOM Inverted From", "DAC", "Left Bypass PGA"},
+ {"Right LOM Inverted From", "DAC", "Right Bypass PGA"},
+ {"Left LOM Inverted From", "LOP", "Analog Left Bypass"},
+ {"Right LOM Inverted From", "LOP", "Analog Right Bypass"},
+
+ {"Output Left Amplifier", NULL, "Left LOM Inverted From"},
+ {"Output Right Amplifier", NULL, "Right LOM Inverted From"},
+
+ {"DACL", NULL, "Left DAC Power"},
+ {"DACR", NULL, "Right DAC Power"},
+
+ {"Left Bypass PGA", NULL, "Left DAC Power"},
+ {"Right Bypass PGA", NULL, "Right DAC Power"},
/* output */
- {"LEFT_LO", NULL, "Output Left Amp Power"},
- {"RIGHT_LO", NULL, "Output Right Amp Power"},
+ {"LEFT_LO", NULL, "Output Left Amplifier"},
+ {"RIGHT_LO", NULL, "Output Right Amplifier"},
+
+ {"LEFT_LO", NULL, "Codec Power"},
+ {"RIGHT_LO", NULL, "Codec Power"},
};
static int dac33_add_widgets(struct snd_soc_codec *codec)
{
- snd_soc_dapm_new_controls(codec, dac33_dapm_widgets,
- ARRAY_SIZE(dac33_dapm_widgets));
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+ snd_soc_dapm_new_controls(dapm, dac33_dapm_widgets,
+ ARRAY_SIZE(dac33_dapm_widgets));
/* set up audio path interconnects */
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+ snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
return 0;
}
switch (level) {
case SND_SOC_BIAS_ON:
- dac33_soft_power(codec, 1);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
/* Coming from OFF, switch on the codec */
ret = dac33_hard_power(codec, 1);
if (ret != 0)
break;
case SND_SOC_BIAS_OFF:
/* Do not power off, when the codec is already off */
- if (codec->bias_level == SND_SOC_BIAS_OFF)
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
return 0;
ret = dac33_hard_power(codec, 0);
if (ret != 0)
return ret;
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
spin_unlock_irq(&dac33->lock);
dac33_write16(codec, DAC33_PREFILL_MSB,
- DAC33_THRREG(MODE7_LTHR));
+ DAC33_THRREG(DAC33_MODE7_MARGIN));
/* Enable Upper Threshold IRQ */
dac33_write(codec, DAC33_FIFO_IRQ_MASK, DAC33_MUT);
/* Stream started, save the substream pointer */
dac33->substream = substream;
+ snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24);
+
return 0;
}
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
dac33->substream = NULL;
-
- /* Reset the nSample restrictions */
- dac33->nsample_min = 0;
- dac33->nsample_max = NSAMPLE_MAX;
}
+#define CALC_BURST_RATE(bclkdiv, bclk_per_sample) \
+ (BURST_BASEFREQ_HZ / bclkdiv / bclk_per_sample)
static int dac33_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
+ struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
/* Check parameters for validity */
switch (params_rate(params)) {
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
+ dac33->fifo_size = DAC33_FIFO_SIZE_16BIT;
+ dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 32);
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ dac33->fifo_size = DAC33_FIFO_SIZE_24BIT;
+ dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 64);
break;
default:
dev_err(codec->dev, "unsupported format %d\n",
aictrl_a |= (DAC33_NCYCL_16 | DAC33_WLEN_16);
fifoctrl_a |= DAC33_WIDTH;
break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ aictrl_a |= (DAC33_NCYCL_32 | DAC33_WLEN_24);
+ break;
default:
dev_err(codec->dev, "unsupported format %d\n",
substream->runtime->format);
/* Write registers 0x08 and 0x09 (MSB, LSB) */
dac33_write16(codec, DAC33_INT_OSC_FREQ_RAT_A, oscset);
- /* calib time: 128 is a nice number ;) */
- dac33_write(codec, DAC33_CALIB_TIME, 128);
+ /* OSC calibration time */
+ dac33_write(codec, DAC33_CALIB_TIME, 96);
/* adjustment treshold & step */
dac33_write(codec, DAC33_INT_OSC_CTRL_B, DAC33_ADJTHRSHLD(2) |
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C,
dac33->burst_bclkdiv);
else
- dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
+ if (substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE)
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
+ else
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 16);
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
* at the bottom, and also at the top of the FIFO
*/
dac33_write16(codec, DAC33_UTHR_MSB, DAC33_THRREG(dac33->uthr));
- dac33_write16(codec, DAC33_LTHR_MSB, DAC33_THRREG(MODE7_LTHR));
+ dac33_write16(codec, DAC33_LTHR_MSB,
+ DAC33_THRREG(DAC33_MODE7_MARGIN));
break;
default:
break;
/* Number of samples under i2c latency */
dac33->alarm_threshold = US_TO_SAMPLES(rate,
dac33->mode1_latency);
- nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
- dac33->alarm_threshold;
-
- if (dac33->auto_fifo_config) {
- if (period_size <= dac33->alarm_threshold)
- /*
- * Configure nSamaple to number of periods,
- * which covers the latency requironment.
- */
- dac33->nsample = period_size *
- ((dac33->alarm_threshold / period_size) +
- (dac33->alarm_threshold % period_size ?
- 1 : 0));
- else if (period_size > nsample_limit)
- dac33->nsample = nsample_limit;
- else
- dac33->nsample = period_size;
- } else {
- /* nSample time shall not be shorter than i2c latency */
- dac33->nsample_min = dac33->alarm_threshold;
+ nsample_limit = dac33->fifo_size - dac33->alarm_threshold;
+
+ if (period_size <= dac33->alarm_threshold)
/*
- * nSample should not be bigger than alsa buffer minus
- * size of one period to avoid overruns
+ * Configure nSamaple to number of periods,
+ * which covers the latency requironment.
*/
- dac33->nsample_max = substream->runtime->buffer_size -
- period_size;
-
- if (dac33->nsample_max > nsample_limit)
- dac33->nsample_max = nsample_limit;
-
- /* Correct the nSample if it is outside of the ranges */
- if (dac33->nsample < dac33->nsample_min)
- dac33->nsample = dac33->nsample_min;
- if (dac33->nsample > dac33->nsample_max)
- dac33->nsample = dac33->nsample_max;
- }
+ dac33->nsample = period_size *
+ ((dac33->alarm_threshold / period_size) +
+ (dac33->alarm_threshold % period_size ?
+ 1 : 0));
+ else if (period_size > nsample_limit)
+ dac33->nsample = nsample_limit;
+ else
+ dac33->nsample = period_size;
dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate,
dac33->nsample);
dac33->t_stamp2 = 0;
break;
case DAC33_FIFO_MODE7:
- if (dac33->auto_fifo_config) {
- dac33->uthr = UTHR_FROM_PERIOD_SIZE(
- period_size,
- rate,
- dac33->burst_rate) + 9;
- if (dac33->uthr > MODE7_UTHR)
- dac33->uthr = MODE7_UTHR;
- if (dac33->uthr < (MODE7_LTHR + 10))
- dac33->uthr = (MODE7_LTHR + 10);
- }
+ dac33->uthr = UTHR_FROM_PERIOD_SIZE(period_size, rate,
+ dac33->burst_rate) + 9;
+ if (dac33->uthr > (dac33->fifo_size - DAC33_MODE7_MARGIN))
+ dac33->uthr = dac33->fifo_size - DAC33_MODE7_MARGIN;
+ if (dac33->uthr < (DAC33_MODE7_MARGIN + 10))
+ dac33->uthr = (DAC33_MODE7_MARGIN + 10);
+
dac33->mode7_us_to_lthr =
SAMPLES_TO_US(substream->runtime->rate,
- dac33->uthr - MODE7_LTHR + 1);
+ dac33->uthr - DAC33_MODE7_MARGIN + 1);
dac33->t_stamp1 = 0;
break;
default:
samples += (samples_in - samples_out);
if (likely(samples > 0))
- delay = samples > DAC33_BUFFER_SIZE_SAMPLES ?
- DAC33_BUFFER_SIZE_SAMPLES : samples;
+ delay = samples > dac33->fifo_size ?
+ dac33->fifo_size : samples;
else
delay = 0;
}
samples_in = US_TO_SAMPLES(
dac33->burst_rate,
time_delta);
- delay = MODE7_LTHR + samples_in - samples_out;
+ delay = DAC33_MODE7_MARGIN + samples_in - samples_out;
if (unlikely(delay > uthr))
delay = uthr;
codec->control_data = dac33->control_data;
codec->hw_write = (hw_write_t) i2c_master_send;
- codec->idle_bias_off = 1;
+ codec->dapm.idle_bias_off = 1;
dac33->codec = codec;
/* Read the tlv320dac33 ID registers */
snd_soc_add_controls(codec, dac33_snd_controls,
ARRAY_SIZE(dac33_snd_controls));
/* Only add the FIFO controls, if we have valid IRQ number */
- if (dac33->irq >= 0) {
+ if (dac33->irq >= 0)
snd_soc_add_controls(codec, dac33_mode_snd_controls,
ARRAY_SIZE(dac33_mode_snd_controls));
- /* FIFO usage controls only, if autoio config is not selected */
- if (!dac33->auto_fifo_config)
- snd_soc_add_controls(codec, dac33_fifo_snd_controls,
- ARRAY_SIZE(dac33_fifo_snd_controls));
- }
+
dac33_add_widgets(codec);
err_power:
#define DAC33_RATES (SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000)
-#define DAC33_FORMATS SNDRV_PCM_FMTBIT_S16_LE
+#define DAC33_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_ops dac33_dai_ops = {
.startup = dac33_startup,
dac33->power_gpio = pdata->power_gpio;
dac33->burst_bclkdiv = pdata->burst_bclkdiv;
- /* Pre calculate the burst rate */
- dac33->burst_rate = BURST_BASEFREQ_HZ / dac33->burst_bclkdiv / 32;
dac33->keep_bclk = pdata->keep_bclk;
- dac33->auto_fifo_config = pdata->auto_fifo_config;
dac33->mode1_latency = pdata->mode1_latency;
if (!dac33->mode1_latency)
dac33->mode1_latency = 10000; /* 10ms */
dac33->irq = client->irq;
- dac33->nsample = NSAMPLE_MAX;
- dac33->nsample_max = NSAMPLE_MAX;
- dac33->uthr = MODE7_UTHR;
/* Disable FIFO use by default */
dac33->fifo_mode = DAC33_FIFO_BYPASS;
},
{ },
};
+MODULE_DEVICE_TABLE(i2c, tlv320dac33_i2c_id);
static struct i2c_driver tlv320dac33_i2c_driver = {
.driver = {
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