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Diffstat (limited to 'sound/soc/codecs/tlv320dac33.c')
-rw-r--r--sound/soc/codecs/tlv320dac33.c51
1 files changed, 31 insertions, 20 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 00b6d87e7bdb..faa5e9fb1471 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -1,7 +1,7 @@
/*
* ALSA SoC Texas Instruments TLV320DAC33 codec driver
*
- * Author: Peter Ujfalusi <peter.ujfalusi@nokia.com>
+ * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
*
* Copyright: (C) 2009 Nokia Corporation
*
@@ -324,6 +324,10 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
dac33_write(codec, DAC33_OUT_AMP_CTRL,
dac33_read_reg_cache(codec, DAC33_OUT_AMP_CTRL));
+ dac33_write(codec, DAC33_LDAC_PWR_CTRL,
+ dac33_read_reg_cache(codec, DAC33_LDAC_PWR_CTRL));
+ dac33_write(codec, DAC33_RDAC_PWR_CTRL,
+ dac33_read_reg_cache(codec, DAC33_RDAC_PWR_CTRL));
}
static inline int dac33_read_id(struct snd_soc_codec *codec)
@@ -583,6 +587,9 @@ static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = {
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),
};
@@ -615,6 +622,9 @@ static const struct snd_soc_dapm_route audio_map[] = {
/* output */
{"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)
@@ -632,13 +642,10 @@ static int dac33_add_widgets(struct snd_soc_codec *codec)
static int dac33_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
- if (!dac33->substream)
- dac33_soft_power(codec, 1);
break;
case SND_SOC_BIAS_PREPARE:
break;
@@ -670,6 +677,7 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
{
struct snd_soc_codec *codec = dac33->codec;
unsigned int delay;
+ unsigned long flags;
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
@@ -677,10 +685,10 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
DAC33_THRREG(dac33->nsample));
/* Take the timestamps */
- spin_lock_irq(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
dac33->t_stamp2 = ktime_to_us(ktime_get());
dac33->t_stamp1 = dac33->t_stamp2;
- spin_unlock_irq(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
dac33_write16(codec, DAC33_PREFILL_MSB,
DAC33_THRREG(dac33->alarm_threshold));
@@ -692,11 +700,11 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
break;
case DAC33_FIFO_MODE7:
/* Take the timestamp */
- spin_lock_irq(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
dac33->t_stamp1 = ktime_to_us(ktime_get());
/* Move back the timestamp with drain time */
dac33->t_stamp1 -= dac33->mode7_us_to_lthr;
- spin_unlock_irq(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
dac33_write16(codec, DAC33_PREFILL_MSB,
DAC33_THRREG(DAC33_MODE7_MARGIN));
@@ -714,13 +722,14 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
static inline void dac33_playback_handler(struct tlv320dac33_priv *dac33)
{
struct snd_soc_codec *codec = dac33->codec;
+ unsigned long flags;
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
/* Take the timestamp */
- spin_lock_irq(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
dac33->t_stamp2 = ktime_to_us(ktime_get());
- spin_unlock_irq(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
dac33_write16(codec, DAC33_NSAMPLE_MSB,
DAC33_THRREG(dac33->nsample));
@@ -773,10 +782,11 @@ static irqreturn_t dac33_interrupt_handler(int irq, void *dev)
{
struct snd_soc_codec *codec = dev;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
+ unsigned long flags;
- spin_lock(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
dac33->t_stamp1 = ktime_to_us(ktime_get());
- spin_unlock(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
/* Do not schedule the workqueue in Mode7 */
if (dac33->fifo_mode != DAC33_FIFO_MODE7)
@@ -936,8 +946,8 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
/* 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) |
@@ -1020,7 +1030,7 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
/*
* For FIFO bypass mode:
* Enable the FIFO bypass (Disable the FIFO use)
- * Set the BCLK as continous
+ * Set the BCLK as continuous
*/
fifoctrl_a |= DAC33_FBYPAS;
aictrl_b |= DAC33_BCLKON;
@@ -1173,15 +1183,16 @@ static snd_pcm_sframes_t dac33_dai_delay(
unsigned int time_delta, uthr;
int samples_out, samples_in, samples;
snd_pcm_sframes_t delay = 0;
+ unsigned long flags;
switch (dac33->fifo_mode) {
case DAC33_FIFO_BYPASS:
break;
case DAC33_FIFO_MODE1:
- spin_lock(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
t0 = dac33->t_stamp1;
t1 = dac33->t_stamp2;
- spin_unlock(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
t_now = ktime_to_us(ktime_get());
/* We have not started to fill the FIFO yet, delay is 0 */
@@ -1246,10 +1257,10 @@ static snd_pcm_sframes_t dac33_dai_delay(
}
break;
case DAC33_FIFO_MODE7:
- spin_lock(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
t0 = dac33->t_stamp1;
uthr = dac33->uthr;
- spin_unlock(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
t_now = ktime_to_us(ktime_get());
/* We have not started to fill the FIFO yet, delay is 0 */
@@ -1647,5 +1658,5 @@ module_exit(dac33_module_exit);
MODULE_DESCRIPTION("ASoC TLV320DAC33 codec driver");
-MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@nokia.com>");
+MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
MODULE_LICENSE("GPL");
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