diff options
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/soc-dapm.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 17698ef58dfb..820347c9ae4b 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c | |||
@@ -523,24 +523,6 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) | |||
523 | continue; | 523 | continue; |
524 | } | 524 | } |
525 | 525 | ||
526 | /* programmable gain/attenuation */ | ||
527 | if (w->id == snd_soc_dapm_pga) { | ||
528 | int on; | ||
529 | in = is_connected_input_ep(w); | ||
530 | dapm_clear_walk(w->codec); | ||
531 | out = is_connected_output_ep(w); | ||
532 | dapm_clear_walk(w->codec); | ||
533 | w->power = on = (out != 0 && in != 0) ? 1 : 0; | ||
534 | |||
535 | if (!on) | ||
536 | dapm_set_pga(w, on); /* lower volume to reduce pops */ | ||
537 | dapm_update_bits(w); | ||
538 | if (on) | ||
539 | dapm_set_pga(w, on); /* restore volume from zero */ | ||
540 | |||
541 | continue; | ||
542 | } | ||
543 | |||
544 | /* pre and post event widgets */ | 526 | /* pre and post event widgets */ |
545 | if (w->id == snd_soc_dapm_pre) { | 527 | if (w->id == snd_soc_dapm_pre) { |
546 | if (!w->event) | 528 | if (!w->event) |
@@ -611,8 +593,16 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) | |||
611 | return ret; | 593 | return ret; |
612 | } | 594 | } |
613 | 595 | ||
596 | /* Lower PGA volume to reduce pops */ | ||
597 | if (w->id == snd_soc_dapm_pga && !power) | ||
598 | dapm_set_pga(w, power); | ||
599 | |||
614 | dapm_update_bits(w); | 600 | dapm_update_bits(w); |
615 | 601 | ||
602 | /* Raise PGA volume to reduce pops */ | ||
603 | if (w->id == snd_soc_dapm_pga && power) | ||
604 | dapm_set_pga(w, power); | ||
605 | |||
616 | /* power up post event */ | 606 | /* power up post event */ |
617 | if (power && w->event && | 607 | if (power && w->event && |
618 | (w->event_flags & SND_SOC_DAPM_POST_PMU)) { | 608 | (w->event_flags & SND_SOC_DAPM_POST_PMU)) { |