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authorTakashi Iwai <tiwai@suse.de>2011-03-28 06:39:28 -0400
committerTakashi Iwai <tiwai@suse.de>2011-03-28 06:39:28 -0400
commite9c4a5e10e063647b12e393dd3149c95175fd5ff (patch)
treeb1547634fefe448d983a0f42320ad8603e156eaf /sound/soc/codecs/tlv320dac33.c
parentc6b358748e19ce7e230b0926ac42696bc485a562 (diff)
parent19aab08d69e05c8d9a9ad315e59dd0493bf86045 (diff)
Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/asoc-2.6 into fix/asoc
Diffstat (limited to 'sound/soc/codecs/tlv320dac33.c')
-rw-r--r--sound/soc/codecs/tlv320dac33.c32
1 files changed, 20 insertions, 12 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 00b6d87e7bdb..eb1a0b4e09b6 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -324,6 +324,10 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
324 dac33_write(codec, DAC33_OUT_AMP_CTRL, 324 dac33_write(codec, DAC33_OUT_AMP_CTRL,
325 dac33_read_reg_cache(codec, DAC33_OUT_AMP_CTRL)); 325 dac33_read_reg_cache(codec, DAC33_OUT_AMP_CTRL));
326 326
327 dac33_write(codec, DAC33_LDAC_PWR_CTRL,
328 dac33_read_reg_cache(codec, DAC33_LDAC_PWR_CTRL));
329 dac33_write(codec, DAC33_RDAC_PWR_CTRL,
330 dac33_read_reg_cache(codec, DAC33_RDAC_PWR_CTRL));
327} 331}
328 332
329static inline int dac33_read_id(struct snd_soc_codec *codec) 333static inline int dac33_read_id(struct snd_soc_codec *codec)
@@ -670,6 +674,7 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
670{ 674{
671 struct snd_soc_codec *codec = dac33->codec; 675 struct snd_soc_codec *codec = dac33->codec;
672 unsigned int delay; 676 unsigned int delay;
677 unsigned long flags;
673 678
674 switch (dac33->fifo_mode) { 679 switch (dac33->fifo_mode) {
675 case DAC33_FIFO_MODE1: 680 case DAC33_FIFO_MODE1:
@@ -677,10 +682,10 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
677 DAC33_THRREG(dac33->nsample)); 682 DAC33_THRREG(dac33->nsample));
678 683
679 /* Take the timestamps */ 684 /* Take the timestamps */
680 spin_lock_irq(&dac33->lock); 685 spin_lock_irqsave(&dac33->lock, flags);
681 dac33->t_stamp2 = ktime_to_us(ktime_get()); 686 dac33->t_stamp2 = ktime_to_us(ktime_get());
682 dac33->t_stamp1 = dac33->t_stamp2; 687 dac33->t_stamp1 = dac33->t_stamp2;
683 spin_unlock_irq(&dac33->lock); 688 spin_unlock_irqrestore(&dac33->lock, flags);
684 689
685 dac33_write16(codec, DAC33_PREFILL_MSB, 690 dac33_write16(codec, DAC33_PREFILL_MSB,
686 DAC33_THRREG(dac33->alarm_threshold)); 691 DAC33_THRREG(dac33->alarm_threshold));
@@ -692,11 +697,11 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
692 break; 697 break;
693 case DAC33_FIFO_MODE7: 698 case DAC33_FIFO_MODE7:
694 /* Take the timestamp */ 699 /* Take the timestamp */
695 spin_lock_irq(&dac33->lock); 700 spin_lock_irqsave(&dac33->lock, flags);
696 dac33->t_stamp1 = ktime_to_us(ktime_get()); 701 dac33->t_stamp1 = ktime_to_us(ktime_get());
697 /* Move back the timestamp with drain time */ 702 /* Move back the timestamp with drain time */
698 dac33->t_stamp1 -= dac33->mode7_us_to_lthr; 703 dac33->t_stamp1 -= dac33->mode7_us_to_lthr;
699 spin_unlock_irq(&dac33->lock); 704 spin_unlock_irqrestore(&dac33->lock, flags);
700 705
701 dac33_write16(codec, DAC33_PREFILL_MSB, 706 dac33_write16(codec, DAC33_PREFILL_MSB,
702 DAC33_THRREG(DAC33_MODE7_MARGIN)); 707 DAC33_THRREG(DAC33_MODE7_MARGIN));
@@ -714,13 +719,14 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
714static inline void dac33_playback_handler(struct tlv320dac33_priv *dac33) 719static inline void dac33_playback_handler(struct tlv320dac33_priv *dac33)
715{ 720{
716 struct snd_soc_codec *codec = dac33->codec; 721 struct snd_soc_codec *codec = dac33->codec;
722 unsigned long flags;
717 723
718 switch (dac33->fifo_mode) { 724 switch (dac33->fifo_mode) {
719 case DAC33_FIFO_MODE1: 725 case DAC33_FIFO_MODE1:
720 /* Take the timestamp */ 726 /* Take the timestamp */
721 spin_lock_irq(&dac33->lock); 727 spin_lock_irqsave(&dac33->lock, flags);
722 dac33->t_stamp2 = ktime_to_us(ktime_get()); 728 dac33->t_stamp2 = ktime_to_us(ktime_get());
723 spin_unlock_irq(&dac33->lock); 729 spin_unlock_irqrestore(&dac33->lock, flags);
724 730
725 dac33_write16(codec, DAC33_NSAMPLE_MSB, 731 dac33_write16(codec, DAC33_NSAMPLE_MSB,
726 DAC33_THRREG(dac33->nsample)); 732 DAC33_THRREG(dac33->nsample));
@@ -773,10 +779,11 @@ static irqreturn_t dac33_interrupt_handler(int irq, void *dev)
773{ 779{
774 struct snd_soc_codec *codec = dev; 780 struct snd_soc_codec *codec = dev;
775 struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); 781 struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
782 unsigned long flags;
776 783
777 spin_lock(&dac33->lock); 784 spin_lock_irqsave(&dac33->lock, flags);
778 dac33->t_stamp1 = ktime_to_us(ktime_get()); 785 dac33->t_stamp1 = ktime_to_us(ktime_get());
779 spin_unlock(&dac33->lock); 786 spin_unlock_irqrestore(&dac33->lock, flags);
780 787
781 /* Do not schedule the workqueue in Mode7 */ 788 /* Do not schedule the workqueue in Mode7 */
782 if (dac33->fifo_mode != DAC33_FIFO_MODE7) 789 if (dac33->fifo_mode != DAC33_FIFO_MODE7)
@@ -1173,15 +1180,16 @@ static snd_pcm_sframes_t dac33_dai_delay(
1173 unsigned int time_delta, uthr; 1180 unsigned int time_delta, uthr;
1174 int samples_out, samples_in, samples; 1181 int samples_out, samples_in, samples;
1175 snd_pcm_sframes_t delay = 0; 1182 snd_pcm_sframes_t delay = 0;
1183 unsigned long flags;
1176 1184
1177 switch (dac33->fifo_mode) { 1185 switch (dac33->fifo_mode) {
1178 case DAC33_FIFO_BYPASS: 1186 case DAC33_FIFO_BYPASS:
1179 break; 1187 break;
1180 case DAC33_FIFO_MODE1: 1188 case DAC33_FIFO_MODE1:
1181 spin_lock(&dac33->lock); 1189 spin_lock_irqsave(&dac33->lock, flags);
1182 t0 = dac33->t_stamp1; 1190 t0 = dac33->t_stamp1;
1183 t1 = dac33->t_stamp2; 1191 t1 = dac33->t_stamp2;
1184 spin_unlock(&dac33->lock); 1192 spin_unlock_irqrestore(&dac33->lock, flags);
1185 t_now = ktime_to_us(ktime_get()); 1193 t_now = ktime_to_us(ktime_get());
1186 1194
1187 /* We have not started to fill the FIFO yet, delay is 0 */ 1195 /* We have not started to fill the FIFO yet, delay is 0 */
@@ -1246,10 +1254,10 @@ static snd_pcm_sframes_t dac33_dai_delay(
1246 } 1254 }
1247 break; 1255 break;
1248 case DAC33_FIFO_MODE7: 1256 case DAC33_FIFO_MODE7:
1249 spin_lock(&dac33->lock); 1257 spin_lock_irqsave(&dac33->lock, flags);
1250 t0 = dac33->t_stamp1; 1258 t0 = dac33->t_stamp1;
1251 uthr = dac33->uthr; 1259 uthr = dac33->uthr;
1252 spin_unlock(&dac33->lock); 1260 spin_unlock_irqrestore(&dac33->lock, flags);
1253 t_now = ktime_to_us(ktime_get()); 1261 t_now = ktime_to_us(ktime_get());
1254 1262
1255 /* We have not started to fill the FIFO yet, delay is 0 */ 1263 /* We have not started to fill the FIFO yet, delay is 0 */